L6712集成电路（IC）的PMIC-稳压器-DCDC开关式控制器规格书PDF中文资料

L6712属于集成电路（IC）的PMIC-稳压器-DCDC开关式控制器。由意法半导体集团制造生产的L6712DC-DC 开关控制器PMIC（电源管理集成电路）DC 到 DC 开关式控制器是用于高效率电路的稳压 IC，其配置为生成高于（突升或步升）或低于（突降或步降）输入电源的输出电源电压。其他拓扑结构可能包括：降压-升压、反激、正激、Cuk、SEPIC、全桥、半桥和推挽式。这些器件不同于需要最小电压并“烧尽”多余电压的线性稳压器。

描述 Description

The device implements a dual-phase step-down controller with a 180 phase-shift between each phase optimized for high current DC/DC applications.

特性 Features

■ 2 PHASE OPERATION WITH SYNCHRONOUS RECTIFIER CONTROL

■ ULTRA FAST LOAD TRANSIENT RESPONSE

■ INTEGRATED HIGH CURRENT GATE DRIVERS: UP TO 2A GATE CURRENT

■ 3 BIT PROGRAMMABLE OUTPUT FROM 0.900V TO 3.300V OR WITH EXTERNAL REF.

■ ±0.9 OUTPUT VOLTAGE ACCURACY

■ 3mA CAPABLE AVAILABLE REFERENCE

■ INTEGRATED PROGRAMMABLE REMOTE SENSE AMPLIFIER

■ PROGRAMMABLE DROOP EFFECT

■ 10 ACTIVE CURRENT SHARING ACCURACY

■ DIGITAL 2048 STEP SOFT-START

■ CROWBAR LATCHED OVERVOLTAGE PROT.

■ NON-LATCHED UNDERVOLTAGE PROT.

■ OVERCURRENT PROTECTION REALIZED USING THE LOWER MOSFETS RdsON OR A SENSE RESISTOR

■ OSCILLATOR EXTERNALLY ADJUSTABLE AND INTERNALLY FIXED AT 150kHZ

■ POWER GOOD OUTPUT AND INHIBIT FUNCTION

■ PACKAGES: SO-28 & VFQFPN-36

Applications

■ HIGH CURRENT DC/DC CONVERTERS

■ DISTRIBUTED POWER SUPPLY