High Current and Performance White LED Driver

The HT7938A is high efficiency boost converter with constant current output for backlight applications in handheld devices. Using a series connection of LEDs provides constant identical LED currents resulting in uniform brightness. The continuous LED current is set using the device FB pin regulated • Efficiency up to 90% at VIN=4.0V, 5S2P, ILED=20mA\n• 1.2MHz fixed switching frequency\n• Low standby current: 0.1µA (typ.) at VEN=0V\n• Matches LED current\n• Tiny inductor and capacitors\n• EN pin dimming frequency up to 200kHz\n• Up to 10 strings White-LED (LED VF(Max.)=3.5V)\n• Tiny 6-lead ;

Holtek

合泰

HOLTEK
SOT23-6

Holtek

合泰

上传：深圳市凌旭科技有限公司

HOLTEK
SOP-18

Holtek

合泰

上传：深圳市星佑电子有限公司

LEM/莱姆
传感器

LEM/莱姆

上传：天津市博通航睿技术有限公司

LEM/莱姆
原装

LEM/莱姆

上传：中天科工半导体（深圳）有限公司