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PDF G9612 Data sheet ( Hoja de datos )
| Número de pieza | G9612 | |
| Descripción | Linear Regulator | |
| Fabricantes | GMT | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de G9612 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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Global Mixed-mode Technology Inc.
G9612
Low-Dropout, 500mA Linear Regulator with Reset
Features
500mA Output Current, with Foldback Current
Limiting
High Ripple Rejection
±2% Output Accuracy
±2% Reset Threshold Accuracy
Externally Programmable Reset Time Delay
Generator
Internal 500mA P-Channel Pass Transistor
320µA quiescent Current
Thermal Overload Protection
SOT89-5 Package
Applications
CD ROM or DVD ROM
Slim-Type CD/DVD
DVD Player
General Description
The G9612 are low-dropout, linear regulator with
reset function supply 3.4V, 3.3V or 2.5V output for
currents up to 500mA. They are available in a 1.0W
SOT 89-5L package with 0.18 inch2 copper heat
sink. Typical dropouts are 560mV at 5V and 500mA.
Other features include foldback current limiting and
thermal overload protection.
The reset function in G9612 detect VCC level with
hysteresis, keeping it asserted for time delay de-
termined by external capacitor. The reset output is
active low open-drain output. The detection thresh-
old are 3.9V or 4.2V.
The output is preset at 3.4V for the G9612A, 3.3V
for the G9612B/C, and 2.5V for G9612D. The reset
threshold is preset at 4.2V for G9612 A/B/D and
3.9V for G9612C.
Ordering Information
ORDER
NUMBER
ORDER NUMBER
(Pb free)
MARKING
REGULATOR
OUTPUT VOLTAGE
RESET THRESHOLD
VOLTAGE
TEMP.
RANGE
PACKAGE
G9612ATEU
G9612ATEUf
9612AX
3.4
4.2 -40°C to +85°C SOT-89-5
G9612BTEU
G9612BTEUf
9612BX
3.3
4.2 -40°C to +85°C SOT-89-5
G9612CTEU G9612CTEUf
9612CX
3.3
3.9 -40°C to +85°C SOT-89-5
G9612DTEU G9612DTEUf
9612DX
2.5
4.2 -40°C to +85°C SOT-89-5
Pin Configuration
Typical Operation Circuit
G9612
RESET
5
CD
4
1 23
VIN GND VOUT
SOT-89-5
VCC
VIN
1µF
RESET
G9612
CD VOUT
GND
Rpull-high
10kΩ
OUTPUT
VOLTAGE
10µF
(Tantalum or Aluminum)
Ver: 1.7
Apr 01, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
1
1 page  
Global Mixed-mode Technology Inc.
Typical Performance Characteristics (continued)
G9612
Max. Power Dissipation vs.
PCB Top Copper Area
TAMB = 25°C ; Still Air
3
2.5
2
1.5
1
0.5
0
0.5
1.5 2.5 3.5
PCB Top Copper Area (in2)
4.5
Max. Power Dissipation
vs. TAMB (still air)
( Different PCB Top Copper Area )
3
2.5
2
1.5
1
0.5
0
25
45 65
TAMB (°C)
85
Unit:in2
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
Recommended Minimum Footprint
SOT-89-5
Ver: 1.7
Apr 01, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet G9612.PDF ] | |
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