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Global Mixed-mode Technology Inc.
G915
1.5V 600mA Low Dropout Regulator
Features
Wide Input Voltage Range 2.9V~6V Output Current in Excess of 600mA Output Voltage Accuracy 2% Quiescent Current, Typically 0.3mA Internal Short Circuit Current Limit Internal Over Temperature Protection
General Description
The G915 positive 1.5V voltage regulator features the ability to source 600mA of output current. A low quiescent current is provided. The typical quiescent current is 0.3mA. Familiar regulator features such as over temperature and current limit protection circuits are provided to prevent it from being damaged by abnormal operating conditions.
Ordering Information
ORDER NUMBER
G915T24U G915T64U
ORDER NUMBER MARKING (Pb free)
G915T24Uf G915T64Uf 915x 915T64
TEMP. RANGE
-40C ~85C -40C ~85C
PACKAGE
SOT-89 SOT-223
1
GND GND
PIN OPTION 2
VIN VIN
3
VOUT VOUT
* For other package types, pin options and package, please contact us at sales@gmt.com.tw
Order Number Identification
GXXX XX X X Packing Type Pin Option Package Type Part Number PACKAGE TYPE
T2 : SOT-89 T6 : SOT-223 1 1 : VOUT 2 : VOUT 3 : GND 4 : GND 5 : VIN 6 : VIN
PIN OPTION
2 GND VIN VOUT VIN GND VOUT 3 VIN GND VIN VOUT VOUT GND
PACKING
U : Tape & Reel
Package Type
Typical Application
[Note 4]: Type of COUT
IO VIN
G915
C1 1F IQ
VOUT COUT 10F
Top View Top View
1
2
3
SOT-89/SOT-223
Ver: 1.3 Jul 30, 2007
TEL: 886-3-5788833 http://www.gmt.com.tw
1
Global Mixed-mode Technology Inc.
Absolute Maximum Ratings (Note 1)
Input Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V Power Dissipation Internally Limited (Note2) Maximum Junction Temperature . . . . . . . . . . . .150C Storage Temperature Range . . . . -65C TJ +150C Reflow Temperature (soldering, 10sec) . . . . . .260C Thermal Resistance Junction to Ambient, (JA) SOT-89 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173C/W SOT-223 . . . . . . . . . . . . . . . . . . . . . . . . . . . .148C/W Thermal Resistance Junction to Case (JC) SOT-89 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25C/W SOT-223 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22C/W
Note (1): See Recommended Minimum Footprint.
G915
Operating Conditions
(Note 1) Input Voltage. . . . . . . . . . . . . . . . . . . . . . . . .2.9V ~ 6V Temperature Range . . . . . . . . . . . . .-40C TA 85C
Electrical Characteristics
VIN =2.5V, IO =500mA, CIN=10F, COUT =10F. All specifications apply for TA =TJ =25C. [Note 3] PARAMETER
Input Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Ripple Rejection Short Circuit Current Current Limit Over Temperature Over Temperature Hysterics
CONDITION
5mA < IO < 600mA 4V < VIN < 6V, IO = 10mA 10mA < IO < 600mA VIN = 5V fi = 120 Hz, 1VP-P, IO = 100mA
MIN
2.9 -------------------
TYP
--1.5 10 10 0.3 50 0.65 0.8 145 25
MAX
6 -------------------
UNIT
V V mV mV mA dB A A C C
Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Conditions are conditions under which the device functions but the specifications might not be guaranteed. For guaranteed specifications and test conditions see the Electrical Characteristics. Note2: The maximum power dissipation is a function of the maximum junction temperature, TJmax ; total thermal resistance, JA, and ambient temperature TA. The maximum allowable power dissipation at any ambient temperature is Tjmax-TA / JA. If this dissipation is exceeded, the die temperature will rise above 150C and IC will go into thermal shutdown. For the G915 in the SOT-89 package is 173C/W, SOT-223 package is 148C/W (See Recommended Minimum Footprint). The safe operation in SOT-89 package, it can see "Typical Performance Characteristics" (Safe Operating Area). Note3: Low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible. Note4: The type of output capacitor should be tantalum, aluminum or ceramic.
Definitions
Dropout Voltage The input/output Voltage differential at which the regulator output no longer maintains regulation against further reductions in input voltage. Measured when the output drops 100mV below its nominal value, dropout voltage is affected by junction temperature, load current and minimum input supply requirements. Line Regulation The change in output voltage for a change in input voltage. The measurement is made under conditions of low dissipation or by using pulse techniques such that average chip temperature is not significantly affected. Load Regulation The change in output voltage for a change in load current at constant chip temperature. The measurement is made under conditions of low dissipation or by using pulse techniques such that average chip temperature is not significantly affected. Maximum Power Dissipation The maximum total device dissipation for which the regulator will operate within specifications. Quiescent Bias Current Current which is used to operate the regulator chip and is not delivered to the load.
Ver: 1.3 Jul 30, 2007
TEL: 886-3-5788833 http://www.gmt.com.tw
2
Global Mixed-mode Technology Inc.
Typical Performance Characteristics
VIN =5V, CIN=1F, COUT =10F, TA =25C. unless otherwise noted.
Line Transient
G915
Load Transient
Short Circuit Current
Start-UP
Overcurrent Protection Characteristics
80 70 Ripple Rejection (dB) 60 50 40 30 20 10 0 10 100 IL=100mA IL=10mA
Ripple Rejection
IL=600mA
VIN=4V ; COUT=10F 1000 10000 100000 1000000 Frequency (Hz)
Ver: 1.3 Jul 30, 2007
TEL: 886-3-5788833 http://www.gmt.com.tw
3
Global Mixed-mode Technology Inc.
Typical Performance Characteristics (continued)
SOT-89 Max. Power Dissipation vs. PCB Top Copper Area TAMB = 25C ; Still Air
2.5 Max. Dissipation Power (W)
G915
SOT-89 Max. Power Dissipation vs. TAMB (still air) ( Different PCB Top Copper Area )
Unit : in2 A=0.1 A=0.2
2.5 2 Max. Dissipation Power (W) 1.5 1 0.5 0
0 1 2 3 4 PCB Top Copper Area (in2) 5 6
2
A=0.3 A=0.4 A=0.5 A=1.0 A=1.5 A=2.0 A=2.5 A=3.0 A=3.5 A=4.0 A=4.5 A=5.0
1.5
1
0.5
0
25
40
55 TAMB (C)
70
85
Quiescent Current vs. Temperature
400 1500 1400 Quiescent Current (A) Dropout Voltage (mV) 300 VIN=5V 200 1300 1200 1100 1000 900 800 700 0 -25 -15 -5 5 15 25 35 45 55 65 75 85 Temperature (C) 600 100
Dropout Voltage vs. IL
TA=85C
TA=25C TA=-25C
100
VIN=4V
200
300 400 IL (mA)
500
600
Output Voltage vs. Temperature
1.53 1.52 Output Voltage (V) 1.51 1.5 1.49 1.48 1.47 -25 -5 VIN=3V VIN=4V IL=10mA VIN=5V Output Voltage (V) 1.514 1.512 1.51 1.508 1.506
Output Voltage vs. VIN
TA=85C
IL=10mA
TA=25C 1.504 1.502 1.5 TA=-25C
Temperature (C)
15
35
55
75
2.5
3
3.5
4 4.5 VIN (V)
5
5.5
6
Ver: 1.3 Jul 30, 2007
TEL: 886-3-5788833 http://www.gmt.com.tw
4
Global Mixed-mode Technology Inc.
Recommend Minimum Footprint
G915
SOT-89
SOT-223
Ver: 1.3 Jul 30, 2007
TEL: 886-3-5788833 http://www.gmt.com.tw
5
Global Mixed-mode Technology Inc.
Package Information
G915
D D1
A POLISH
E
V HE
A1 b e C b1
SOT-89 (T2) Package DIMENSIONS IN MILLIMETER MIN NOM MAX
1.40 0.80 0.36 0.41 038 4.40 1.40 ----2.40 2.90 ----1.50 1.04 0.42 0.47 0.40 4.50 1.60 ----2.50 3.00 2.60 1.60 ----0.48 0.53 0.43 4.60 1.75 4.25 2.60 3.10 -----
SYMBOL
A A1 b b1 C D D1 HE E e V
MIN
0.055 0.031 0.014 0.016 0.014 0.173 0.055 ----0.094 0.114 -----
DIMENSIONS IN INCHE NOM MAX
0.059 0.041 0.016 0.018 0.015 0.177 0.062 ----0.098 0.118 0.102 0.063 ----0.018 0.020 0.017 0.181 0.069 0.167 0.102 0.122 -----
Ver: 1.3 Jul 30, 2007
TEL: 886-3-5788833 http://www.gmt.com.tw
6
Global Mixed-mode Technology Inc.
A D B1 C L1 13(4X)
G915
H
E
L e e1 L2
13(4X)
A1 B
SOT-223 (T6) Package MILLIMETERS MIN
1.55 0.02 0.60 2.90 0.24 6.30 3.30 2.30 BSC 4.60 BSC 6.70 0.90 MIN 1.00 MIN 0.06 BSC 0 10 0 7.30 0.264 0.036 MIN 0.039 MIN 0.0024 BSC 10
SYMBOLS
A A1 B B1 C D E e e1 H L L1 L2
INCHES MAX
1.80 0.12 0.80 3.10 0.32 6.70 3.70
MIN
0.061 0.0008 0.024 0.114 0.009 0.248 0.130 0.090 BSC 0.181 BSC
MAX
0.071 0.0047 0.031 0.122 0.013 0.264 0.146
0.287
Taping Specification
PACKAGE
SOT-89 SOT-223
Feed Direction SOT-89223 Package Orientation
Q'TY/REEL
1,000 ea 2,500 ea
GMT Inc. does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and GMT Inc. reserves the right at any time without notice to change said circuitry and specifications.
Ver: 1.3 Jul 30, 2007
TEL: 886-3-5788833 http://www.gmt.com.tw
7

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