L6995D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

L6995D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L6995DDC-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。

DESCRIPTION

The device is a step-down controller specifically designed to provide extremely high efficiency conversion, with losses current sensing tecnique.

FEATURE

■ CONSTANT ON TIME TOPOLOGY ALLOWS

OPERATION WITH LOWER DUTY THAN

PWM TOPOLOGY

■ VERY FAST LOAD TRANSIENTS

■ 5V Vcc SUPPLY

■ 1.5V TO 28V INPUT VOLTAGE RANGE

■ 0.9V ±1 VREF

■ MINIMUM OUTPUT VOLTAGE AS LOW AS 0.9V

■ SELECTABLE SINKING MODE

■ LOSSLESS CURRENT LIMIT

■ REMOTE SENSING

■ OVP,UVP LATCHED PROTECTIONS

■ 600µA TYP QUIESCENT CURRENT

■ POWER GOOD AND OVP SIGNALS

■ PULSE SKIPPING AT LIGHT LOADS

APPLICATIONS

■ I/O BUS FOR CPU CORE SUPPLY

■ NOTEBOOK COMPUTERS

■ NETWORKING DC-DC

■ DISTRIBUTED POWER