High Current and Performance White LED Driver

The HT7939A is a high efficiency boost converter for driving multiple White LEDs using current mode operation. The device is designed to drive up to 39 White LEDs from a 5V power supply. The White LED current is setup using an external current setting resistor, which has a low feedback voltage of 0. •Input voltage range: 2.6V~5.5V\n •High efficiency - up to 90%\n •Integrated N-ch MOSFET\n •Can drive up to 39 WLEDs from a 5V input\n •Low standby current: 0.1uA (typ.)\n •Built-in OVP, OCP, OTP, UVLO protection\n •EN pin dimming frequency up to 200kHz\n •1.2MHz fixed switching frequency\n •SOT;

Holtek

合泰

SOT23-6

Holtek

合泰

上传：深圳市凌旭科技有限公司

SOP-18

Holtek

合泰

上传：深圳市星佑电子有限公司

传感器

LEM/莱姆

上传：天津市博通航睿技术有限公司

原装

LEM/莱姆

上传：中天科工半导体（深圳）有限公司