SC401B数据手册集成电路（IC）的稳压器-DC-DC开关稳压器规格书PDF

描述 Description

The SC401B is a stand-alone synchronous EcoSpeedTM buck power supply which incorporates Semtech’s advanced patented adaptive on-time control architecture.

特性 Features

·Power System·Input voltage — 3V to 17V
·Bias voltage — 3V to 5.5V LDO or external
·Up to 96% peak efficiency
·Integrated bootstrap switch
·Programmable LDO output — 200mA
·Reference tolerance — 1% TJ= -40 to +125 °C
·Programmable soft-start time

·Logic Input/Output Control·Independent EN controls for LDO and switcher
·Programmable VIN UVLO threshold
·Power good output
·Selectable PSAVE or FCM mode

·Protection·Over-voltage and under-voltage
·TC compensated RDS(ON) sensed current limit
·Thermal Shutdown

·Output Capacitor Types·High ESR — SP, POSCAP, OSCON
·Ceramic capacitors

·Package·Lead-free package — 5x5mm, 32-Pin MLPQ
·RoHS/WEEE compliant and Halogen free

应用 Application

·Networking and telecommunication equipment
·Printers, DSL, and STB applications
·Embedded systems and power supply modules
·Point of load power supplies

简介

SC401B属于集成电路（IC）的稳压器-DC-DC开关稳压器。由制造生产的SC401B稳压器 - DC-DC 开关稳压器DC-DC 开关稳压器 PMIC（电源管理集成电路）产品族中的产品是元器件级设备，用于需要稳定 DC 输入电压和/或将其转换为不同幅度的输出电压的应用。这些器件与称为“控制器”PMIC 的类似产品的区别在于集成了主开关元件，设备提供的电力会通过该元件。