HT7938 Datasheet - Holtek Semiconductor

HT7938 High Current And Performance White LED Driver

HT7938 is high efficiency boost converter with constant current output to provide backlight in handheld devices. Series connection of LEDs provides constant identical LED currents resulting in uniform brightness. The continuous LED current is set with FB pin regulated voltage across an external sens.

HT7938 Features

* Efficiency up to 85% at VIN=3.6V, 9LEDs,

* Tiny inductor and capacitors

* Up to 9 strings White-LED

* Tiny 6-lead SOT23-6 package

* Built in OVP, OCP, OTP, UVLO protection ILED=20mA

* 1.2MHz fixed switching frequency

* Low Standby Current: 0.1mA, VEN=0V (typ.)

* Ma

HT7938 Datasheet (483.65 KB)

HT7938 Datasheet Preview — Preview of HT7938 PDF

Datasheet Details

Part number:

HT7938

Manufacturer:

Holtek Semiconductor

File Size:

483.65 KB

Description:

High current and performance white led driver.

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HT7938 High Current And Performance White LED Driver Holtek Semiconductor

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