High Effi ciency Boost Converter for up to 6 LEDS

文件：249.53 Kbytes 页数：14 Pages

SEMTECH

先之科

High Effi ciency Boost Converter for up to 6 LEDS

文件：249.53 Kbytes 页数：14 Pages

SEMTECH

先之科

Portable, VID Programmed Single Phase Power Supply Controller

文件：343.17 Kbytes 页数：26 Pages

SEMTECH

先之科

Portable, VID Programmed Single Phase Power Supply Controller

文件：343.17 Kbytes 页数：26 Pages

SEMTECH

先之科

Portable, VID Programmed Single Phase Power Supply Controller

文件：343.17 Kbytes 页数：26 Pages

SEMTECH

先之科

30V, 300mA Output Micropower 降压开关稳压器

The SC4530 is a micropower hysteretic current-mode step-down switching regulator capable of providing up to 300mA of output current from 3V to 30V input voltage range. It is designed to provide very high standby efficiency while simplifying design. ·Input Voltage Range: 3V to 30V\n·Low Quiescent Current: Drawing 19uA from VIN when stepping Down from 12V to 3.3V at No Load\n·High Efficiency from 12V Input to 5V Output\n·> 80% at 650uA\n·> 85% at 10mA - 300mA\n·Up to 300mA Continuous DC Output Current\n·Integrated Power Switch and Schott;

Semtech

先之科

High Efficiency Boost Converter for up to 6 LEDS

The SC4539 is designed to regulate current for a series chain of white LEDs in LCD backlighting applications where small size and high efficiency are priorities. ·Input voltage range — 2.8V to 5.5V\n·Current-mode PWM control — 800kHz\n·Programmable LED current up to 30mA\n·Soft-start to reduce in-rush current\n·PWM dimming — 100Hz to 50kHz\n·PWM dimming at ISET — Analog and fi ltered\n·Over-voltage protection — 25V (max.)\n·Under-voltage lockout (UVLO)\n·The;

Semtech

先之科

Package：8-WFDFN 裸露焊盘；包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 功能：降压 类别：集成电路（IC） 稳压器 - DC-DC 开关稳压器 描述：IC REG BUCK ADJ 300MA 8MLPD

Semtech Corporation

Package：8-UFDFN 裸露焊盘；包装：卷带（TR） 类别：集成电路（IC） LED 驱动器 描述：IC LED DRVR RGLTR PWM 30MA 8MLPD

Semtech Corporation

Package：8-UFDFN 裸露焊盘；包装：卷带（TR） 类别：集成电路（IC） LED 驱动器 描述：IC LED DRVR RGLTR PWM 30MA 8MLPD

Semtech Corporation