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Global Mixed-mode Technology Inc.
G960
3.3V 1A Low Dropout Regulator
Features
Dropout voltage typically 0.8V @ IO = 1A Output current in excess of 1A Output voltage accuracy 2% Quiescent current, typically 600A Internal short circuit current limit Internal over temperature protection
General Description
The G960 positive 3.3V voltage regulator features the ability to source 1A of output current with a dropout voltage of typically 0.8V over the entire operating temperature range. A low quiescent current is provided over the entire current output current range. The typical quiescent current is 0.6mA. Furthermore, the quiescent current is smaller when the regulator is in the dropout mode (VIN < 3.3V).
Applications
CD-R/W ADSL Cable Modem Set-Top-Box LAN switch/Hub Router DVD-R/W
Familiar regulator features such as over temperature and over current protection circuits are provided to prevent it from being damaged by abnormal operating conditions.
Ordering Information
ORDER NUMBER
G960T33T G960T36T G960T43U G960T45U G960T53U G960T63U
PACKAGE TYPE
TO220 TO220 TO252 TO252 TO263 SOT223
1
GND VIN GND VIN GND GND
PIN OPTION 2
VOUT VOUT VOUT GND VOUT VOUT
3
VIN GND VIN VOUT VIN VIN
Order Number Identification
GXXX XX X X Packing Type Pin Option Package Type Part Number PACKAGE TYPE
T3 : TO 220 T4 : TO 252 T5 : TO 263 T6 : SOT 223
PIN OPTION
1 1 : VOUT 2 : VOUT 3 : GND 4 : GND 5 : VIN 6 : VIN 2 GND VIN VOUT VIN GND VOUT 3 VIN GND VIN VOUT VOUT GND
PACKING
U & D : Tape & Reel Direction T : Tube
Typical Application
[Note 4] : Type of COUT
IO VIN VOUT COUT 10F
Package Type
G960
C1 0.47F IQ
Top View
Top View
1
2
3
1
2
3
SOT 223
Ver: 1.4 Jul 31, 2001
TO 220252 263
TEL: 886-3-5788833 http://www.gmt.com.tw
1
Global Mixed-mode Technology Inc.
(Note 1) Input Voltage..................................................10V Power Dissipation Internally Limited (Note 2) Maximum Junction Temperature..........................150C Storage Temperature Range.........-65C TJ +150C Lead Temperature, Time for Wave Soldering TO-220 Package....................................260C, 10s TO-252 Package.....................................260C, 4s SOT-223 Package...................................260C, 4s
G960
Absolute Maximum Ratings
(Note 1) Operating Conditions Input Voltage..............................................4V~7V Temperature Range.....................-40C TJ 125C
Electrical Characteristics
VIN =5V, IO = 1A, CIN = 1F, COUT =10F, All specifications apply for TA = TJ = 25C. [Note 3] PARAMETER
Output Voltage Line Regulation Load Regulation Output Impedance Quiescent Current Ripple Rejection Dropout Voltage Short Circuit Current Over Temperature
CONDITIONS
50mA < IO <400mA 4V < VIN < 7V, IO = 10mA 50mA < IO < 1A 100mA DC and 20mA AC, fo = 120Hz VIN = 5V fi = 120Hz, 1VP-P, Io = 100mA IO = 1A IO = 100mA
MIN
3.234
TYP
3.3 20 30 100 0.6 42 0.8 200 1.9 125
MAX
3.366 50 80
UNITS
V mV mV m mA dB V mV A
1.6
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 allowable power dissipation is a function of the maximum junction temperature, TJ, the junction-to-ambient thermal resistance, RJA, and the ambient temperature, TA. Exceeding the maximum allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. 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 or aluminum.
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: 1.4 Jul 31, 2001
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.)
G960
Load Transient
Line Transient
Ch1: Vout (offset=3.30V) Ch2: Vin (offset=5.0V) CIN = 2.2F Iout=100mA
Ch1: Vout (offset=3.30V) Ch2: Iout (780mA/div)
Output Voltage vs. Load Current
3.323 800 700 3.318
Dropout Voltage vs. Load Current
Output Voltage (V)
3.313
Dropout Voltage (mV)
0 200 400 600 800 1000
600 500 400 300 200 100
3.308
3.303
3.298
3.293
0
Load Current (mA)
0
200
400
600
800
1000
Load Current (mA)
Ground Current vs. Load Current
1.8
1.6
Ground Current (mA)
1.4
1.2
1.0
0.8
0.6 0 100 200 300 400 500 600 700 800 900 1000
Load Current (mA)
Ver: 1.4 Jul 31, 2001
TEL: 886-3-5788833 http://www.gmt.com.tw
3
Global Mixed-mode Technology Inc.
Package Information
G960
E A E1 E1 R F d D
D1
I
L
e b e1 b1
C A1
TO-220 (T3) Package SYMBOLS
A A1 b b1 C D D1 d E E1 e e1 F I L
MILLIMETERS MIN
4.318 2.46 0.69 1.143 0.304 3.429 8.53 2.62 9.906 2.84 2.29 4.83 1.143 3.454 13.589
INCHES MAX
4.826 2.72 0.94 1.397 0.460 3.683 9.04 2.87 10.40 5.13 2.79 5.33 1.397 3.962 14.351
MIN
0.170 0.097 0.027 0.045 0.012 0.135 0.336 0.103 0.390 0.112 0.090 0.190 0.045 0.136 0.535
MAX
0.190 0.107 0.037 0.055 0.018 0.145 0.356 0.113 0.410 0.202 0.110 0.210 0.055 0.156 0.565
Ver: 1.4 Jul 31, 2001
TEL: 886-3-5788833 http://www.gmt.com.tw
4
Global Mixed-mode Technology Inc.
B R V 4 Z A 1 S K 2 3 C
G960
T SEATING PLANE E
U
F L D G 2 PL 0.13 (0.005) M T J H
TO-252 (T4) Package Notes: 1. Dimensioning and tolerancing per ansi y14.5m, 1982. 2. Controlling dimension: inch SYMBOLS
A B C D E F G H J K L R S U V Z
MILLIMETERS MIN
5.97 6.35 2.19 0.69 0.84 0.94 4.58BSC 0.87 0.46 2.60 2.29BSC 4.45 0.51 0.51 0.77 3.51 0.175 0.020 0.020 0.030 0.138 0.215 0.050 --0.050 --0.034 0.018 0.102 0.040 0.023 0.114
INCHES MIN
0.235 0.250 0.086 0.027 0.033 0.037
MAX
0.250 0.265 0.094 0.035 0.040 0.047 0.180BSC
MAX
6.35 6.73 2.38 0.88 1.01 1.19 1.01 0.58 2.89 0.090BSC 6.46 1.27 --1.27 ---
Ver: 1.4 Jul 31, 2001
TEL: 886-3-5788833 http://www.gmt.com.tw
5
Global Mixed-mode Technology Inc.
A E A1 L3
G960
D
H C
L1
e L2 e1 b b1 A2
L
TO-263 (T5) Package SYMBOLS
A A1 A2 b b1 C D E e e1 H L L1 L2 L3
MILLIMETERS MIN
4.30 1.22 2.45 0.69 1.22 0.36 8.64 9.70 2.29 4.83 14.60 4.70 1.20 2.24 1.40MAX
INCHES MAX
4.70 1.32 2.69 0.94 1.40 0.56 9.652 10.54 2.79 5.33 15.78 5.84 1.778 2.84
MIN
0.169 0.048 0.104 0.027 0.048 0.014 0.340 0.382 0.090 0.190 0.575 0.185 0.047 0.088 0.055MAX
MAX
0.185 0.055 0.106 0.037 0.055 0.022 0.380 0.415 0.110 0.210 0.625 0.230 0.070 0.111
Ver: 1.4 Jul 31, 2001
TEL: 886-3-5788833 http://www.gmt.com.tw
6
Global Mixed-mode Technology Inc.
A D B1
G960
C
13(4X)
H
E
L e e1 L2
13(4X)
A1 B
SOT-223 (T6) Package SYMBOLS
A A1 B B1 C D E e e1 H L L2 0
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 0.06 BSC 10 0 7.30 0.264
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 0.036 MIN 0.0024 BSC 10
Package Orientation
Feed Direction SOT 223 Package Orientation
Feed Direction TO 220252 263 Package Orientation
Ver: 1.4 Jul 31, 2001
TEL: 886-3-5788833 http://www.gmt.com.tw
7

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