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19-3040; Rev 0; 10/03
Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN
General Description
The MAX1963/MAX1976 low-dropout linear regulators operate from a +1.62V to +3.6V supply and deliver a guaranteed 300mA continuous load current with a low 100mV dropout. The high-accuracy (0.5%) output voltage is preset to an internally trimmed voltage in the +0.75V to +3.0V range. An active-low, open-drain reset output remains asserted for at least 2.2ms (MAX1963) or 70ms (MAX1976) after the output voltage reaches regulation. These devices are offered in 6-pin thin SOT23 and 6-pin 3mm x 3mm thin DFN packages. An internal PMOS pass transistor allows the low supply current to remain independent of load and dropout voltage, making these devices ideal for portable battery-powered equipment such as personal digital assistants (PDAs), cell phones, cordless phones, and notebook computers. Other features include logic-controlled shutdown, short-circuit protection, and thermal-overload protection. o Low 1.62V Minimum Input Voltage o Guaranteed 300mA Output Current o 1.5% Accuracy Over Load/Line/Temp o Low 100mV Dropout at 300mA Load o 2.2ms (MAX1963) or 70ms (MAX1976) RESET Output Flag o Supply Current Independent of Load and Dropout Voltage o Logic-Controlled Shutdown o Thermal-Overload and Short-Circuit Protection o Preset Output Voltages (0.75V to 3.0V) o Tiny 6-Pin Thin SOT23 Package (<1.1mm High) o Thin 6-Pin TDFN Package (<0.8mm High)
Features
MAX1963/MAX1976
Applications
Notebook Computers Cellular and PCS Telephones Personal Digital Assistants (PDAs) Hand-Held Computers Digital Cameras PCMCIA Cards CD and MP3 Players
PART* MAX1963EZT_ _ _-T MAX1963ETT_ _ _-T MAX1976EZT_ _ _-T MAX1976ETT_ _ _-T
Ordering Information
TEMP RANGE -40C to +85C -40C to +85C -40C to +85C -40C to +85C PIN-PACKAGE 6 Thin SOT23-6 6 TDFN 6 Thin SOT23-6 6 TDFN
*Insert the desired three-digit suffix (see the Selector Guide) into the blanks to complete the part number. Contact the factory for other output voltages.
Pin Configurations
TOP VIEW
INPUT 1.62V TO 3.6V CIN 1F
Typical Operating Circuit
OUTPUT 0.75V TO 3.0V COUT LOGIC 4.7F SUPPLY 100k ON SHDN OFF GND RESET TO C
IN
OUT
300mA
IN 1
6 OUT
OUT 1 I.C. 2
6 IN
GND 2
MAX1963 MAX1976
5 I.C.
MAX1963 MAX1976
5 SHDN 4 GND
MAX1963 MAX1976
SHDN 3
RESET 3 4 RESET
THIN SOT23
TDFN 3mm x 3mm
Selector Guide appears at end of data sheet. ________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.
Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN MAX1963/MAX1976
ABSOLUTE MAXIMUM RATINGS
IN, SHDN, RESET to GND .....................................-0.3V to +4.0V OUT to GND ................................................-0.3V to (VIN + 0.3V) Output Short-Circuit Duration.....................................Continuous Continuous Power Dissipation (TA = +70C) 6-Pin SOT23 (derate 9.1mW/C above +70C)............727mW 6-Pin TDFN (derate 24.4mW/C above +70C) .........1951mW Operating Temperature Range ...........................-40C to +85C Junction Temperature ..................................................... +150C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10s) .................................+300C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VIN = (VOUT + 0.5V) or 1.8V, whichever is greater; SHDN = IN, CIN = 1F, COUT = 4.7F, TA = -40C to +85C, unless otherwise noted. Typical values are at TA = +25C.) (Note 1)
PARAMETER Input Voltage Input Undervoltage Lockout SYMBOL VIN VUVLO VIN rising or falling (180mV typical hysteresis) IOUT = 150mA, TA = +25C Output Voltage Accuracy Maximum Output Current Current Limit Ground Current Dropout Voltage Load Regulation Line Regulation Output Noise PSRR SHUTDOWN Shutdown Supply Current SHDN Input Logic Levels SHDN Input Bias Current Turn-On Delay IOFF VIH VIL ISHDN SHDN = GND VIN = 1.62V to 3.6V VIN = 1.62V to 3.6V VSHDN = 0 or 3.6V TA = +25C TA = +85C 1 5 90 TA = +25C TA = +85C 1.4 0.6 100 0.001 0.01 1 A V nA s IOUT ILIM IQ IOUT = 1mA to 300mA, VIN = (VOUT + 0.5V) to +3.6V Continuous VOUT = 96% of nominal value No load IOUT = 300mA Dropout (Note 2) VIN - VOUT IOUT = 300mA, VOUT 1.8V (Note 2) VLDR IOUT = 1mA to 300mA VLNR VIN = (VOUT + 0.5V) to +3.6V, IOUT = 1mA 10Hz to 100kHz, IOUT = 10mA, VOUT = 1.5V f < 1kHz, IOUT = 10mA -0.15 CONDITIONS MIN 1.62 1.30 -0.5 -1.5 300 450 550 70 90 70 100 0.02 +0.01 86 70 200 0.3 +0.15 mV % % /V VRMS dB 650 140 A TYP MAX 3.60 1.60 +0.5 +1.5 % mARMS mA UNITS V V
From SHDN high to OUT high, VOUT = 1.8V
2
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Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN
ELECTRICAL CHARACTERISTICS (continued)
(VIN = (VOUT + 0.5V) or 1.8V, whichever is greater; SHDN = IN, CIN = 1F, COUT = 4.7F, TA = -40C to +85C, unless otherwise noted. Typical values are at TA = +25C.) (Note 1)
PARAMETER RESET OUTPUT Reset Threshold Accuracy RESET Output Low Voltage RESET Output High Leakage Reset Delay THERMAL PROTECTION Thermal-Shutdown Temperature Thermal-Shutdown Hysteresis T SHDN T SHDN +165 15 C C VOL IOH tRP VOUT falling, (1.7% typical hysteresis) I RESET = 100A VIN = +1.0V, I RESET = 100A V RESET = 3.6V, RESET not asserted From VOUT high to RESET rising TA = +25C TA = +85C MAX1963 MAX1976 2.2 70 80 82.5 1 30 0.001 0.01 3.2 100 5.5 160 85 100 400 1 %VOUT mV A ms SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX1963/MAX1976
Note 1: Limits are 100% production tested at TA = +25C. Limits over the operating temperature range are guaranteed by design. Note 2: The dropout voltage is defined as VIN - VOUT, when VOUT is 4% lower than the value of VOUT when VIN = VOUT + 0.5V.
Typical Operating Characteristics
(VIN = (VOUT + 0.5V) or 1.8V, whichever is greater; SHDN = IN, CIN = 1F, COUT = 4.7F, TA = +25C, unless otherwise noted.)
OUTPUT VOLTAGE ACCURACY vs. LOAD CURRENT
MAX1963/76 toc01
OUTPUT VOLTAGE ACCURACY vs. INPUT VOLTAGE
MAX1963/76 toc02
OUTPUT VOLTAGE ACCURACY vs. TEMPERATURE
VOUT = +1.5V OUTPUT VOLTAGE ACCURACY (%) 1.0 0.5 IOUT = 0mA, 100mA, 300mA 0 -0.5 -1.0 -1.5
MAX1963/76 toc03
0.2 OUTPUT VOLTAGE ACCURACY (%)
0.50 VOUT = 1.5V OUTPUT VOLTAGE ACCURACY (%) 0.25 IOUT = 0mA 0 IOUT = 100mA -0.25 IOUT = 300mA
1.5
0.1 VOUT = +3.0V 0 VOUT = +1.5V
-0.1
VOUT = +0.75V
-0.2 0 50 100 150 200 250 300 LOAD CURRENT (mA)
-0.50 1.4 1.8 2.2 2.6 3.0 3.4 INPUT VOLTAGE (V)
-40
-15
10
35
60
85
TEMPERATURE (C)
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3
Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN MAX1963/MAX1976
Typical Operating Characteristics (continued)
(VIN = (VOUT + 0.5V) or 1.8V, whichever is greater; SHDN = IN, CIN = 1F, COUT = 4.7F, TA = +25C, unless otherwise noted.)
GROUND-PIN CURRENT vs. LOAD CURRENT
MAX1963/76 toc04
GROUND-PIN CURRENT vs. INPUT VOLTAGE
MAX1963/76 toc05
GROUND-PIN CURRENT vs. TEMPERATURE
MAX1963/76 toc06
120 110 100 VOUT = +1.5V 90 VOUT = +0.75V 80 70 60 0.01 0.1 1 10 100 VOUT = +3.0V
120 100 80 60 40 20 VOUT = 1.5V 0 IOUT = 100mA IOUT = 300mA
120 110 GROUND-PIN CURRENT (A) IOUT = 100mA 100 90 80 70 60 50 IOUT = 300mA IOUT = 0mA
GROUND-PIN CURRENT (A)
GROUND-PIN CURRENT (A)
IOUT = 0mA
1000
1.2
1.6
2.0
2.4
2.8
3.2
3.6
-40
-20
0
20
40
60
80
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
TEMPERATURE (C)
DROPOUT VOLTAGE vs. LOAD CURRENT
MAX1963/76 toc07
POWER-SUPPLY REJECTION RATIO vs. FREQUENCY
VOUT = +0.75V 70 60 PSRR (dB) 50 40 30 20 VOUT = +1.5V VOUT = +3.0V
MAX1963/76 toc08
120 100 VDROPOUT (mV) 80 60 VOUT = +3.0V 40 20 0 0 50 100 150 200 250 VOUT = +1.8V
80
10 0 300
IOUT = 10mA 0.1 1 10 FREQUENCY (kHz) 100 1000
LOAD CURRENT (mA)
LINE-TRANSIENT RESPONSE
MAX1963/76 toc09
LINE-TRANSIENT RESPONSE NEAR DROPOUT
MAX1963/76 toc10
VIN 3.5V
500mV/div
VIN 1.8V
500mV/div
VOUT
1.5V 10mV/div AC-COUPLED 40s/div
VOUT
1.5V 10mV/div AC-COUPLED 40s/div
4
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Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN
Typical Operating Characteristics (continued)
(VIN = (VOUT + 0.5V) or 1.8V, whichever is greater; SHDN = IN, CIN = 1F, COUT = 4.7F, TA = +25C, unless otherwise noted.)
LOAD-TRANSIENT RESPONSE NEAR DROPOUT
MAX1963/76 toc12
MAX1963/MAX1976
LOAD-TRANSIENT RESPONSE
MAX1963/76 toc11
200mA IOUT 20mA
200mA/div
200mA IOUT 20mA
200mA/div
VOUT
20mV/div AC-COUPLED
VOUT
20mV/div AC-COUPLED
VIN = 3.6V VOUT = 1.5V
20s/div VIN = 1.8V VOUT = 1.5V
20s/div
SHUTDOWN RESPONSE
MAX1963/76 toc13
MAX1976 SHUTDOWN/RESET RESPONSE
MAX1963/76 toc14
VSHDN 0 1V/div
VSHDN 0 VOUT 1V/div
VOUT 0 500mV/div VRESET
0
1V/div
0
1V/div
100s/div
40ms/div
MAX1976 LINE/RESET RESPONSE
MAX1963/76 toc15
VIN 0 VOUT 0 VRESET 0 2V/div
1V/div
1V/div
200ms/div
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5
Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN MAX1963/MAX1976
Pin Description
PIN SOT23 1 2 -- 3 TDFN 6 -- 4 5 NAME IN GND GND SHDN FUNCTION Regulator Input. Supply voltage can range from +1.62V to +3.6V. Bypass IN with at least a 1F ceramic capacitor to GND (see the Capacitor Selection and Regulator Stability section). Ground. GND also functions as a heatsink. Solder to a large pad or circuit-board ground plane to maximize SOT23 power dissipation. Ground Active-Low Shutdown Input. A logic low reduces supply current to below 1A. Connect to IN or logic high for normal operation. Open-Drain, Active-Low Reset Output. RESET rises 3.2ms (MAX1963) or 100ms (MAX1976) after the output has achieved regulation. RESET falls immediately if VOUT drops below 82.5% of its nominal voltage, or if the MAX1963/MAX1976 are shut down. Internally Connected. Leave floating or connect to GND. Regulator Output. Sources up to 300mA. Bypass with a 4.7F low-ESR ceramic capacitor to GND. Ground. EP also functions as a heatsink. Solder EP to a large pad or circuit-board ground plane to maximize TDFN power dissipation.
4 5 6 --
3 2 1 Exposed Pad
RESET I.C. OUT EP
Detailed Description
The MAX1963/MAX1976 are low-dropout, high-accuracy, low-quiescent-current linear regulators designed primarily for battery-powered applications. These devices supply loads up to 300mA and are available with preset output voltages from +0.75V to +3.0V. As illustrated in Figure 1, the MAX1963/MAX1976 consist of a reference, an error amplifier, a P-channel pass transistor, an internal feedback voltage-divider, and a power-good comparator.
The reference is connected to the error amplifier, which compares this reference with the feedback voltage and amplifies the difference. If the feedback voltage is lower than the reference voltage, the pass-transistor gate is pulled lower, which allows more current to pass to the output and increases the output voltage. If the feedback voltage is too high, the pass-transistor gate is pulled up, allowing less current to pass to the output.
IN SHDN
SHUTDOWN LOGIC ERROR AMP MOS DRIVER WITH ILIMIT P OUT
MAX1963 MAX1976
THERMAL SENSOR
REF
82.5% REF TIMER
RESET
GND
Figure 1. Functional Diagram 6 _______________________________________________________________________________________
Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN
Internal P-Channel Pass Transistor
The MAX1963/MAX1976 feature a 0.33 (R DS(ON) ) P-channel MOSFET pass transistor. Unlike similar designs using PNP pass transistors, P-channel MOSFETs require no base drive, which reduces quiescent current. PNP-based regulators also waste considerable current in dropout when the pass transistor saturates and use high base-drive currents under large loads. The MAX1963/MAX1976 do not suffer from these problems and consume only 90A (typ) of quiescent current under heavy loads, as well as in dropout.
MAX1963/MAX1976
MAXIMUM OUTPUT CURRENT vs. INPUT VOLTAGE (POWER DISSIPATION LIMIT)
400 MAXIMUM OUTPUT CURRENT (mA) TA = +85C TA = +70C
300 MAXIMUM RECOMMENDED OUTPUT CURRENT 6-PIN SOT23
200
Shutdown
Pull SHDN low to enter shutdown. During shutdown, the output is disconnected from the input, an internal 1.5k resistor pulls OUT to GND, RESET is actively pulled low, and the supply current drops below 1A.
100
0 0 0.5 1.0 1.5 2.0 2.5 3.0 (VIN - VOUT) (V)
RESET Output
The MAX1963/MAX1976 microprocessor (P) supervisory circuitry asserts a guaranteed logic-low reset during power-up, power-down, and brownout conditions down to +1V. RESET asserts when VOUT is below the reset threshold and remains asserted for at least tRP after VOUT rises above the reset threshold of regulation.
Figure 2. Power Operating Regions for the 6-Pin SOT23: Maximum Output Current vs. Input Voltage
Current Limit
MAXIMUM OUTPUT CURRENT (mA)
MAXIMUM OUTPUT CURRENT vs. INPUT VOLTAGE (POWER DISSIPATION LIMIT)
400 MAXIMUM RECOMMENDED OUTPUT CURRENT 6-PIN TDFN 300 TA = +85C
The MAX1963/MAX1976 monitor and control the pass transistor's gate voltage, limiting the output current to 450mA (min). If the output exceeds ILIM, the MAX1963/ MAX1976 output voltage drops.
Thermal-Overload Protection
Thermal-overload protection limits total power dissipation in the MAX1963/MAX1976. When the junction temperature exceeds TJ = +165C, a thermal sensor turns off the pass transistor, allowing the IC to cool. The thermal sensor turns the pass transistor on again after the junction temperature cools by 15C, resulting in a pulsed output during continuous thermal-overload conditions. Thermal-overload protection safeguards the MAX1963/MAX1976 in the event of fault conditions. For continuous operation, do not exceed the absolute maximum junction-temperature rating of TJ = +150C.
200
100
0 0 0.5 1.0 1.5 2.0 2.5 3.0 (VIN - VOUT) (V)
Figure 3. Power Operating Regions for the 6-Pin TDFN: Maximum Output Current vs. Input Voltage
Operating Region and Power Dissipation
The MAX1963/MAX1976 maximum power dissipation depends on the thermal resistance of the IC package and circuit board, the temperature difference between the die junction and ambient air, and the rate of airflow. The power dissipated in the device is P = IOUT (VIN VOUT). The maximum allowed power dissipation is: PMAX = (TJ(MAX) - TA) / (JC + CA) where (T J(MAX) - T A ) is the temperature difference between the MAX1963/MAX1976 die junction and the surrounding air, JC is the thermal resistance of the junction to the case, and CA is the thermal resistance from the case through the PC board, copper traces, and other materials to the surrounding air. For best heatsinking, expand the copper connected to the exposed paddle or GND.
7
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Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN MAX1963/MAX1976
The MAX1963/MAX1976 deliver up to 300mA and operate with an input voltage up to +3.6V. However, when using the 6-pin SOT23 version, high output currents can only be sustained when the input-output differential voltage is less than 2V, as shown in Figure 2. The maximum allowed power dissipation for the 6-pin TDFN is 1.951W at TA = +70C. Figure 3 shows that the maximum input-output differential voltage is not limited by the TDFN package power rating. change, and the transient response. A typical transient response for a step change in the load current from 20mA to 200mA is 20mV. Increasing the output capacitor's value and decreasing the ESR attenuates the overshoot.
Input-Output (Dropout) Voltage
A regulator's minimum input-output voltage difference (dropout voltage) determines the lowest usable supply voltage. In battery-powered systems, this determines the useful end-of-life battery voltage. Because the MAX1963/MAX1976 use a P-channel MOSFET pass transistor, the dropout voltage is a function of drain-to-source on-resistance (RDS(ON) = 0.33) multiplied by the load current (see the Typical Operating Characteristics). VDROPOUT = VIN - VOUT = 0.33 IOUT The MAX1963/MAX1976 ground current reduces to 70A in dropout.
Applications Information
Capacitor Selection and Regulator Stability
Capacitors are required at the MAX1963/MAX1976 input and output for stable operation over the full temperature range and with load currents up to 300mA. Connect a 1F ceramic capacitor between IN and GND and a 4.7F low-ESR ceramic capacitor between OUT and GND. The input capacitor (CIN) lowers the source impedance of the input supply. Use larger output capacitors to reduce noise and improve load-transient response, stability, and power-supply rejection. The output capacitor's equivalent series resistance (ESR) affects stability and output noise. Use output capacitors with an ESR of 30m or less to ensure stability and optimize transient response. Surface-mount ceramic capacitors have very low ESR and are commonly available in values up to 10F. Connect CIN and COUT as close to the MAX1963/MAX1976 as possible to minimize the impact of PC board trace inductance.
Selector Guide
VOUT (V) 0.75 0.85 1.00 1.10 1.20 1.30 1.50 1.60 1.80 2.50 2.85 3.00 SUFFIX 075 085 100 110 120 130 150 160 180 250 285 300 MAX1963 TOP MARK SOT AABA -- -- -- AABE AABF AABG -- AABH AABI -- AABJ TDFN AFQ -- -- -- AFU AFV AFW -- AFX AFY -- AFZ MAX1976 TOP MARK SOT AAAQ AABP AABL AABM AAAK AABN AAAL AABO AAAM AAAN AAAO AAAP TDFN AGA AHD AGC AGD AGE AGF AGG AHC AGH AGI AGJ AGK
Noise, PSRR, and Transient Response
The MAX1963/MAX1976 are designed to operate with low dropout voltages and low quiescent currents in battery-powered systems while still maintaining good noise, transient response, and AC rejection. See the Typical Operating Characteristics for a plot of PowerSupply Rejection Ratio (PSRR) versus Frequency. When operating from noisy sources, improved supplynoise rejection and transient response can be achieved by increasing the values of the input and output bypass capacitors and through passive filtering techniques. The MAX1963/MAX1976 load-transient response (see the Typical Operating Characteristics) shows two components of the output response: a near-zero DC shift from the output impedance due to the load-current
Chip Information
TRANSISTOR COUNT: 2556 PROCESS: BiCMOS
8
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Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
MAX1963/MAX1976
_______________________________________________________________________________________
9
Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN MAX1963/MAX1976
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
10
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Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
MAX1963/MAX1976
L D A A2
PIN 1 ID
D2
1
N
1
b
PIN 1 INDEX AREA
C0.35 [(N/2)-1] x e REF. e
E
DETAIL A
E2
A1
k
C L
C L
L e A e
L
SEMICONDUCTOR
PROPRIETARY INFORMATION TITLE:
DALLAS
PACKAGE OUTLINE, 6, 8 & 10L, TDFN, EXPOSED PAD, 3x3x0.80 mm
NUMBER OF LEADS SHOWN ARE FOR REFERENCE ONLY
APPROVAL DOCUMENT CONTROL NO. REV.
1 2
21-0137
D
______________________________________________________________________________________
6, 8, &10L, DFN THIN.EPS
11
Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN MAX1963/MAX1976
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
COMMON DIMENSIONS SYMBOL A D E A1 L k A2 MIN. 0.70 2.90 2.90 0.00 0.20 MAX. 0.80 3.10 3.10 0.05 0.40
0.25 MIN. 0.20 REF.
PACKAGE VARIATIONS PKG. CODE T633-1 T833-1 T1033-1 N 6 8 10 D2 1.50-0.10 1.50-0.10 1.50-0.10 E2 2.30-0.10 2.30-0.10 2.30-0.10 e 0.95 BSC 0.65 BSC 0.50 BSC JEDEC SPEC MO229 / WEEA MO229 / WEEC MO229 / WEED-3 b 0.40-0.05 0.30-0.05 0.25-0.05 [(N/2)-1] x e 1.90 REF 1.95 REF 2.00 REF
SEMICONDUCTOR
PROPRIETARY INFORMATION TITLE:
DALLAS
PACKAGE OUTLINE, 6, 8 & 10L, TDFN, EXPOSED PAD, 3x3x0.80 mm
APPROVAL DOCUMENT CONTROL NO. REV.
2 2
21-0137
D
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2003 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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