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TC55 Series 1A LOW DROPOUT POSITIVE VOLTAGE REGULATOR
FEATURES
I I I I I I I I I I Very Low Dropout Voltage .... 120mV typ at 100mA 380mV typ at 200mA High Output Current .............. 250mA (VOUT = 5.0V) High Accuracy Output Voltage ........................ 2% ( 1% Semicustom Version) Wide Output Voltage Range .................... 1.1V-6.0V Low Power Consumption ................... 1.1A (Typ.) Low Temperature Drift ................ 100ppm/C (Typ.) Excellent Line Regulation ..................0.2%/V (Typ.) Package Options ............................. 3-Pin SOT-23A 3-Pin SOT-89 Short Circuit Protection Custom Voltages Available from 1.1V to 6.0V in 0.1V Steps for a 2%, and 2.0V to 6.0V for a 1% Tolerance
GENERAL DESCRIPTION
The TC55 Series is a collection of CMOS low dropout positive voltage regulators which can source up to 250mA of current with an extremely low input-output voltage differential of 380mV at 200mA. The low dropout voltage combined with the low current consumption of only 1.1A makes this part ideal for battery operation. The low voltage differential (dropout voltage) extends battery operating lifetime. It also permits high currents in small packages when operated with minimum VIN - VOUT differentials. The circuit also incorporates short-circuit protection to ensure maximum reliability. PIN CONFIGURATIONS
3-Pin SOT-23A
VIN
3-Pin SOT-89
APPLICATIONS
I I I I I Battery-Powered Devices Cameras and Portable Video Equipment Pagers and Cellular Phones Solar-Powered Instruments Consumer Products
2
TC55 1 GND 3 VOUT 1 GND 2 VIN
TC55
3 VOUT
*SOT-23A-3 is equivalent to EIAJ SC-59
FUNCTIONAL BLOCK DIAGRAM
ORDERING INFORMATION PART CODE TC55 RP XX X X X XX XXX
Output Voltage: Ex: 20 = 2.0V; 60 = 6.0V 1.0% Tol. Ex: 11 = 1.1V; 60 = 6.0V 2.0% Tol. Extra Feature Code: Fixed: 0
VIN
VOUT
Short-circuit Protection + Voltage Reference GND
(c) 2001 Microchip Technology Inc. DS21435A
Tolerance: 1 = 1.0% (Custom) 2 = 2.0% (Standard) Temperature: E: - 40C to +85C Package Type and Pin Count: CB: 3-Pin SOT-23A (equivalent to EIAJ SC-59) MB: 3-Pin SOT-89 Taping Direction: TR or 713: Standard Taping RT or 723: Reverse Taping
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TC55-24
02/01/01
1A LOW DROPOUT POSITIVE VOLTAGE REGULATOR
TC55 Series
ABSOLUTE MAXIMUM RATINGS*
Item Input Voltage Output Current Output Voltage Power Dissipation: (TA 70C) 3-Pin SOT-23A 3-Pin SOT-89 Code VIN IOUT VOUT Pd TA Tstg Ratings +12 Pd/(VIN - VOUT) (VSS - 0.3) to (VIN + 0.3) 240 400 - 40 to +85 - 65 to +150 Units V mA V mW C C
Operating Temperature Range Storage Temperature Range
TC55RP50 ELECTRICAL CHARACTERISTICS: VOUT(S) = 5.0V, TA = 25C unless otherwise specified (see REMARKS).
Symbol
VOUT(A) IOUTmax VOUT Vdif ISS VOUT(A)*100 VIN*VOUT(S) VIN VOUT(A)*106 VOUT(S)*TA
REMARKS:
Parameter
Output Voltage Maximum Output Current Load Regulation I/O Voltage Difference Current Consumption Voltage Regulation Input Voltage Temperature Coefficient of Output Voltage Long Term Stability
Test Conditions
IOUT = 40mA VIN = 6.0V VIN = 6.0V, VOUT(A) 4.5V VIN = 6.0 V, 1mA IOUT 100mA IOUT = 100mA IOUT = 200mA VIN = 6.0V IOUT = 40mA 6.0V VIN 10.0V IOUT = 40mA - 40C TA 85C TA = 125C, 1000 Hours
Min
-- 4.90 250 -- -- -- -- -- -- -- --
Typ
-- 5.0 -- 40 120 380 1.1 0.2 -- 100 0.5
Max
-- 5.10 -- 80 300 600 3.0 0.3 10.0 -- --
Unit
V mA mV mV A %/V V ppm/C %
VOUT(S): Preset value of Output voltage VOUT(A): Actual value of Output voltage Vdif: Definition of I/O voltage difference = {VIN1 - VOUT(A)} VOUT(A): Output Voltage when IOUT is fixed and VIN = VOUT(S) + 1.0V VIN1: Input Voltage when the output voltage is 98% VOUT(A)
TC55RP40 ELECTRICAL CHARACTERISTICS: VOUT(S) = 4.0V, TA = 25C unless otherwise specified (see REMARKS).
Symbol
VOUT(A) IOUTmax VOUT Vdif ISS VOUT(A)*100 VIN*VOUT(S) VIN VOUT(A) VOUT(S)*TA
Parameter
Output Voltage Maximum Output Current Load Regulation I/O Voltage Difference Current Consumption Voltage Regulation Input Voltage Temperature Coefficient of Output Voltage Long Term Stability
Test Conditions
IOUT = 40mA VIN = 5.0V VIN = 5.0V, VOUT(A) 3.6V VIN = 5.0V, 1mA IOUT 100mA IOUT = 100mA IOUT = 200mA VIN = 5.0V IOUT = 40mA 5.0V VIN 10.0V IOUT = 40mA - 40C TA 85C TA = 125C, 1000 Hours
2
Min
-- 3.92 200 -- -- -- -- -- -- -- --
Typ
-- 4.0 -- 45 170 400 1.0 0.2 -- 100 0.5
Max
-- 4.08 -- 90 330 630 2.9 0.3 10.0 -- --
Unit
V mA mV mV A %/V V ppm/C %
DS21435A
TC55-24
02/01/01
(c) 2001 Microchip Technology Inc.
1A LOW DROPOUT POSITIVE VOLTAGE REGULATOR
TC55 Series
TC55RP30 ELECTRICAL CHARACTERISTICS: VOUT(S) = 3.0V, TA = 25C unless otherwise specified (see REMARKS).
Symbol
VOUT(A) IOUTmax VOUT Vdif ISS VOUT(A)*100 VIN*VOUT(S) VIN VOUT(A)*106 TA*VOUT(S)
Parameter
Output Voltage Maximum Output Current Load Regulation I/O Voltage Difference Current Consumption Voltage Regulation Input Voltage Temperature Coefficient of Output Voltage Long Term Stability
Test Conditions
IOUT = 40mA VIN = 4.0V VIN = 4.0V, VOUT(A) 2.7V VIN = 4.0V, 1mA IOUT 80mA IOUT = 80mA IOUT = 160mA VIN = 4.0V IOUT = 40mA 4.0V VIN 10.0V IOUT = 40mA - 40C TA 85C TA = 125C, 1000 Hours
Min
-- 2.94 150 -- -- -- -- -- -- -- --
Typ
-- 3.0 -- 45 180 400 0.9 0.2 -- 100 0.5
Max
-- 3.06 -- 90 360 700 2.8 0.3 10.0 -- --
Unit
V mA mV mV A %/V V ppm/C %
*Static-sensitive device. Unused devices must be stored in conductive material. Protect devices from static discharge and static fields. Stresses above 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 above 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.
MARKING 3-Pin SOT-23A 3-Pin SOT-89
x
x

represents first voltage digit 23456 3 ex: 3.xv = kkkk represents first decimal place voltage (x.0 - x.9) A = x.0 E = x.4 L = x.8 B = x.1 F = x.5 M = x.9 C = x.2 H = x.6 D = x.3 K = x.7 3E ex: 3.4V = kkkk represents Polarity 0 = Positive (fixed) represents assembly lot number
(c) 2001 Microchip Technology Inc.
DS21435A
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1A LOW DROPOUT POSITIVE VOLTAGE REGULATOR
TC55 Series
TYPICAL CHARACTERISTICS
1. OUTPUT VOLTAGE vs. OUTPUT CURRENT
TC55RP3002 (VIN = 4.0V)
3.1
OUTPUT VOLTAGE VOUT (V) OUTPUT VOLTAGE VOUT (V)
TC55RP5002 (VIN = 6.0V)
5.1
3.0
80C
- 30C
5.0
80C
- 30C
2.9
25C
4.9
25C
2.8
4.8
2.7
4.7
0
20
40
60
80 100 120 140 160
0
40
80
120
160
200
OUTPUT CURRENT IOUT (mA)
OUTPUT CURRENT IOUT (mA)
2. OUTPUT VOLTAGE vs. INPUT VOLTAGE
TC55RP3002
3.2
OUTPUT VOLTAGE VOUT (V)
TOPR = 25C
TC55RP3002
3.05
OUTPUT VOLTAGE VOUT (V)
TOPR = 25C
3.04 3.03 3.02 3.01 3.00 2.99 2.98
2.97 2.96
IOUT = 1mA
3.0
IOUT = 1mA 40mA
2.8
2.6
10mA
2.4
2.2
2.5
3.0
INPUT VOLTAGE VIN (V)
3.5
2.95
3
4
5
6
7
8
9
10
INPUT VOLTAGE VIN (V)
TC55RP5002
5.2
OUTPUT VOLTAGE VOUT (V)
TOPR = 25C
TC55RP5002
5.05
OUTPUT VOLTAGE VOUT (V)
TOPR = 25C
5.04 5.03 5.02 5.01 5.00 4.99
4.98 4.97 4.98 4.95
IOUT = 1mA
5.0
IOUT = 1mA 40mA
4.8
4.6
10mA
4.4
4.2
4.5
5.0
INPUT VOLTAGE VIN (V)
5.5
5
6
7
8
9
10
INPUT VOLTAGE VIN (V)
TC55-24
02/01/01
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(c) 2001 Microchip Technology Inc.
DS21435A
1A LOW DROPOUT POSITIVE VOLTAGE REGULATOR
TC55 Series
TYPICAL CHARACTERISTICS
3. DROPOUT VOLTAGE vs. OUTPUT CURRENT
TC55RP3002
2.0 1.8
DROPOUT VOLTAGE VDIF (V) DROPOUT VOLTAGE VDIF (V)
TC55RP5002
2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0
-0.2
80C -30C 25C
1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0 20 40 60 80 100 120 140 160
80C -30C 25C
-0.2 OUTPUT CURRENT IOUT (mA)
0
40
80
120
160
200
OUTPUT CURRENT IOUT (mA)
4. OUTPUT VOLTAGE vs. OPERATING TEMPERATURE
TC55RP3002 (VIN = 4.0V)
3.10
OUTPUT VOLTAGE VOUT (V)
TC55RP5002 (VIN = 6.0V)
5.10
OUTPUT VOLTAGE VOUT (V)
3.08 3.06 3.04 3.02 3.00 2.98 2.96
2.94 2.92 2.90 -40 -20
IOUT = 10mA 40mA
5.08 5.06 5.04 5.02 5.00 4.98 4.96
4.94 4.92 4.90 -40 -20
IOUT = 10mA 40mA
0
20
40
60
80
100
0
20
40
60
80
100
OPERATING TEMPERATURE (C)
OPERATING TEMPERATURE (C)
5. SUPPLY CURRENT vs. INPUT VOLTAGE
TC55RP3002
1.5 1.4
SUPPLY CURRENT ISS (A)
TOPR = 25C
TC55RP5002
2.0 1.9
SUPPLY CURRENT ISS (A)
TOPR = 25C
1.3 1.2 1.1 1.0 0.9 0.8
0.7 0.6 0.5
1.8 1.7 1.6 1.4 1.3 1.2
1.1 1.0 0.5
3
4
5 6 7 8 9 INPUT VOLTAGE VIN (V)
DS21435A
10
5
7 8 9 6 INPUT VOLTAGE VIN (V)
10
(c) 2001 Microchip Technology Inc.
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TC55-24
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1A LOW DROPOUT POSITIVE VOLTAGE REGULATOR
TC55 Series
TYPICAL CHARACTERISTICS
6. SUPPLY CURRENT vs. OPERATING TEMPERATURE
TC55RP3002 (VIN = 4.0V)
1.5 1.4
SUPPLY CURRENT ISS (A)
TC55RP5002 (VIN = 6.0V)
2.0 1.9
SUPPLY CURRENT ISS (A)
1.8 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 -40 -20 0 20 40 60 80 100
1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 -40 -20 0 20 40 60 80 100
OPERATING TEMPERATURE (C)
OPERATING TEMPERATURE (C)
7.INPUT TRANSIENT RESPONSE
TC55RP5002 (IOUT = 1mA)
8.0
INPUT VOLTAGE VOUT (V) OUTPUT VOLTAGE VIN (V) INPUT VOLTAGE VOUT (V)
TC55RP5002 (IOUT = 10mA)
8.0 7.5 7.0 6.5
6.0 5.5 5.0 4.5
OUTPUT VOLTAGE VOUT (V)
7.5 7.0 6.5
6.0 5.5 5.0 4.5 4.0 -1
Input Voltage
Input Voltage
Output Voltage
5.0
Output Voltage
0
1 TIME (msec)
2
3
4.0 -1
0
1 TIME (msec)
2
3
8. LOAD TRANSIENT RESPONSE
TC55RP3002
7
OUTPUT VOLTAGE VOUT (V)
TC55RP3002
200
OUTPUT CURRENT IOUT (mA)
5
OUTPUT VOLTAGE VOUT (V)
200 160 Output Voltage
OUTPUT CURRENT IOUT (mA)
DS21435A
6 Output Voltage
160
4
5
120
3
120
4
80 Output Current 40mA 1mA
TIME (2msec/div)
2
80 Output Current 40mA 1mA
TIME (2msec/div)
3 2
40
1 0
40
0
0
TC55-24
02/01/01
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(c) 2001 Microchip Technology Inc.
1A LOW DROPOUT POSITIVE VOLTAGE REGULATOR
TC55 Series
TAPING FORMS
Component Taping Orientation for 3-Pin SOT-23A (EIAJ SC-59) Devices
PIN 1
User Direction of Feed
Device Marking Device Marking
User Direction of Feed
W
PIN 1 Standard Reel Component Orientation for TR Suffix Device (Mark Right Side Up)
P Reverse Reel Component Orientation for RT Suffix Device (Mark Upside Down)
Carrier Tape, Number of Components Per Reel and Reel Size
Package Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size
3-Pin SOT-23A
8 mm
4 mm
3000
7 in
Component Taping Orientation for 3-Pin SOT-89 Devices
PIN 1
User Direction of Feed
Device Marking Device Marking
User Direction of Feed
W
PIN 1 Standard Reel Component Orientation for TR Suffix Device (Mark Right Side Up)
P Reverse Reel Component Orientation for RT Suffix Device (Mark Upside Down)
Carrier Tape, Reel Size, and Number of Components Per Reel
Package Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size
3-Pin SOT-89
12 mm
8 mm
1000
7 in
(c) 2001 Microchip Technology Inc.
DS21435A
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02/01/01
1A LOW DROPOUT POSITIVE VOLTAGE REGULATOR
TC55 Series
PACKAGE DIMENSIONS
3-Pin SOT-23A (EIAJ SC-59)
.020 (0.50) .012 (0.30)
.118 (3.00) .098 (2.50)
.071 (1.80) .055 (1.40)
PIN 1 .075 (1.90) REF. .122 (3.10) .106 (2.70) .051 (1.30) .035 (0.90) .006 (0.15) .000 (0.00)
10 MAX. .022 (0.55) .014 (0.35)
.010 (0.25) .004 (0.09)
3-Pin SOT-89
.181 (4.60) .173 (4.39) .071 (1.80) .063 (1.60) .063 (1.60) .055 (1.40)
.102 (2.59) .090 (2.29) .019 (0.48) .014 (0.36) PIN 1 .022 (0.56) .016 (0.41)
.167 (4.24)
.031 (0.79) MIN. .017 (0.43) .014 (0.36)
.063 (1.60) .055 (1.40) .019 (0.48) .014 (0.36)
Dimensions: inches (mm)
TC55-24 02/01/01
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(c) 2001 Microchip Technology Inc.
DS21435A
1A LOW DROPOUT POSITIVE VOLTAGE REGULATOR
TC55 Series
WORLDWIDE SALES AND SERVICE
AMERICAS
Corporate Office
2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 480-792-7200 Fax: 480-792-7277 Technical Support: 480-792-7627 Web Address: http://www.microchip.com
New York
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ASIA/PACIFIC (continued)
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01/09/01
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All rights reserved. (c) 2001 Microchip Technology Incorporated. Printed in the USA. 1/01
Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights arising from such use or otherwise. Use of Microchipis products as critical components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, except as maybe explicitly expressed herein, under any intellectual property rights. The Microchip logo and name are registered trademarks of Microchip Technology Inc. in the U.S.A. and other countries. All rights reserved. All other trademarks mentioned herein are the property of their respective companies.
(c) 2001 Microchip Technology Inc.
DS21435A
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02/01/01

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