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RT9362

Richtek Technology
Part Number RT9362
Manufacturer Richtek Technology
Description White LED Driver
Published Feb 17, 2006
Detailed Description General Description The RT9362/A is a high efficiency charge pump white LED driver. It supports up to 4 white LEDs with ...
Datasheet PDF File RT9362 PDF File

RT9362
RT9362

Overview
General Description The RT9362/A is a high efficiency charge pump white LED driver.
It supports up to 4 white LEDs with regulated constant current for uniform intensity.
The RT9362/A maintains the highest efficiency by utilizing a x1/x1.
5/x2 fractional charge pump and low dropout current regulators.
User can easily configure each LED current up 30mA by an external resistor.
Two digital inputs can be programmable to control white LED On/Off.
LED dimming can be achieved by applying a PWM signal to the digital control signals.
w w w .
D a t a e h S et 4U .
m o c Features z z z z z z z z RT9362/A White LED Driver (120mA Charge Pump with Current Source) Very High Efficiency Over 90% of Battery Life Support up to 4 WLEDs Support up to 120mA Output Current Soft Start Function Short Circuit Protection Function Three Charge Pump Mode: x1, x1.
5, x2 250k/1MHz Fixed Frequency Oscillator RoHS Compliant and 100% Lead (Pb)-Free Applications z z z The operating voltage range is 2.
5V to 5.
5V.
Internal softstart circuitry effectively reduces the in-rush current both while start-up and mode change.
RT9362/A also provides comprehensive protections such short circuit protection and over-temperature protection.
The load is disconnected from VIN while shutdown and the shutdown current is less than 1uA.
RT9362/A is available in a QFN-16L 3x3 package.
Mobile Phone White LED Backlighting Camera Flash LED Lighting Marking Information Ordering Information RT9362/A Package Type QV : QFN-16L 3x3 (V-Type) Operating Temperature Range P : Pb Free with Commercial Standard 250kHz 1MHz Note : RichTek Pb-free products are : CTRL0 CTRL1 EN ments of IPC/JEDEC J-STD-020.
−Suitable for use in SnPb or Pb-free soldering processes.
−100%matte tin (Sn) plating.
AGND −RoHS compliant and compatible with the current require- w w w .
D PGND C2N 12 11 10 9 C1N 8 C1P 7 VIN 6 VOUT 5 ISET 4 LED4 13 LED3 14 LED2 15 LED1 16 1 2 3 C2P t a S a e h For marking information, contact our s...


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