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G5916 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 G5916
기능 Flash LED Driver
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G5916 데이터시트, 핀배열, 회로
Global Mixed-mode Technology Inc.
G5916
Flash LED Driver with 700mA Charge Pump
Features
„ Independent flash/torch/shutdown modes
„ Up to 700mA drive current
„ Flash timeout protection
„ Torch mode set to 20% of flash current
„ 1X/2X mode for torch mode to maximize effi-
ciency
„ Wide input voltage range from 3V to 5.5V
„ <1μA shutdown current
„ Input/Output over-voltage protection
„ Short-circuit protection
„ Over-temperature protection
„ Tiny TDFN3X3-10 package
Applications
„ Cellular camera phone
„ Digital still camera
„ PDA camera
„ Camcorder torch lamp
Ordering Information
ORDER
NUMBER
G5916RE1U
Note: RE: TDFN3X3-10
1: Bonding Code
U: Tape & Reel
MARKING
5916
General Description
The G5916 is a charge pump for high-current white
LED driving used in camera flash applications. The
architecture of two bucket capacitors is used to de-
crease the output ripple and provides low EMI solution
compared to inductive DC-DC regulators.
The G5916 has independent flash/torch/shutdown
modes. The G5916 is capable to output 500mA of re-
gulated current in flash mode for the duration greater
than 500ms. While driving 700mA output current, the
reduced duration is limit by G5916’s over-temperature
protection. There is a one second safety timer in this
mode to avoid LED damage caused by overheat. The
G5916 can outputs 20% of flash mode current con-
tinuously in torch mode. The flash mode has priority
over the torch mode.
A resistor connected to ISET pin, which is in series
with the LED, is to set the current. The ISET voltage is
250mV and 50mV in flash and torch mode respec-
tively.
The G5916 is available in tiny 10-pin 3x3mm TDFN
package.
TEMP.
RANGE
-40°C to 85°C
PACKAGE
(Green)
TDFN3X3-10
Pin Configuration
IN 1
C2N 2
GND 3
C1N 4
FLASH 5
G5916
Thermal
Pad
10 C2P
9 OUT
8 C1P
7 TORCH
6 ISET
TDFN3X3-10
Note: Recommend connecting the Thermal Pad
to the Ground for excellent power dissipation.
Typical Application Circuit
VIN = 3V to 5.5V
10CµIFN
FLASH
TORCH
C1
1µF
G5916
IN OUT
FLASH
TORCH
ISET
C1P C2P
C1N GND C2N
C2
1µF
RSET
COUT
1µF
Ver: 0.2
Jun 11, 2009
TEL: 886-3-5788833
http://www.gmt.com.tw
1






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휴대전화 : 010-3582-2743


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부품번호상세설명 및 기능제조사
G5916

Flash LED Driver

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Global Mixed-mode Technology

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