36V High Efficiency Boost Converter with I2C Controlled 6-CH LED Driver

The RT4540 is a high efficiency driver for white LEDs. It is suitable for single/two cell battery input to drive LED light bars which contains six strings in parallel. The internal current sinks support a maximum of ±2% current mismatching for excellent brightness uniformity in each string of LE •Wide Operating Input Voltage : 2.7V to 24V\n•Channel Current Programmable : 6mA to 25mA\n•Dimming Controls\n•I2C Programs LED Current, Switching Frequency, Dimming Mode\n•Embedded Memory with MTP.\n•Protections\n ► LED Strings Open Protection\n ► Current Limit Protection\n ► Programmable Over Vo;

Richtek

立锜科技

High Effi ciency Boost Converter for up to 10 LEDs

Description The SC4540 is designed to regulate current for a series string of white LEDs in LCD backlighting applications where small size and high efficiency are priorities. This device integrates an 800kHz current-mode PWM boost converter and a 30mA programmable low dropout current sink regulat

文件：282.89 Kbytes 页数：15 Pages

SEMTECH

先之科

High Effi ciency Boost Converter for up to 10 LEDs

Description The SC4540 is designed to regulate current for a series string of white LEDs in LCD backlighting applications where small size and high efficiency are priorities. This device integrates an 800kHz current-mode PWM boost converter and a 30mA programmable low dropout current sink regulat

文件：282.89 Kbytes 页数：15 Pages

SEMTECH

先之科

High Effi ciency Boost Converter for up to 10 LEDs

Description The SC4540 is designed to regulate current for a series string of white LEDs in LCD backlighting applications where small size and high efficiency are priorities. This device integrates an 800kHz current-mode PWM boost converter and a 30mA programmable low dropout current sink regulat

文件：282.89 Kbytes 页数：15 Pages

SEMTECH

先之科