L5963DN-EHX集成电路（IC）的线性稳压器控制器规格书PDF中文资料

L5963DN-EHX属于集成电路（IC）的线性稳压器控制器。由意法半导体集团制造生产的L5963DN-EHX稳压器 - 线性 + 开关此产品族中的产品用于构建执行 DC-DC 转换或电压调节功能的电路，采用的是开关模式和线性稳压器功能的组合。虽然具体的拓扑各不相同，但此类产品的主要目的是将开关模式技术的效率优势与线性稳压技术的低噪声特性结合在一起。

Featuress

 AEC-Q100 qualified

 Two step-down synchronous switching voltage

regulators with internal power switches:

– W ide input voltage range (from 3.5 V to 26 V)

– Internal high-side/ low-side NDMOS

– 1 V minimum output

– 3.0 A load current

– 250 kHz free-run frequency

– 250 kHz < f < 2 MHz synchronization range

– Integrated soft-start

– Independent hardware enable pins

– Independent power supply

– 180° PWM output phase shift

– Programmable switching frequency divider

by 1, 2, 4 or 8 between the two DC/DC

regulators

– Power good function

 One standby / linear regulator

– Output voltage programmable with external

resistor divider

– 250 mA maximum current capability

– Backup function

– Power good function

 One high side driver

– 0.5 V max drop @ 0.5 A

– Protected against short to ground and

battery, loss of ground and battery,

unsupplied short to battery

 Programmable under voltage battery detector

– Under voltage threshold adjustable through

dedicated pin (VDIN)

 Load dump protection

 Independent thermal protection on all

regulators

 Independent current limit on all regulators

 Extremely low quiescent current in standby

conditions

 Power good / adjustable voltage detector

outputs to realize customized power up/down

sequences