NR421A

Synchronous Switching Regulator

SANKEN

NR421A Features

* & Benefits

* For excellent heat dissipation, HSOP8 package with the heat-slug is adopted.

* Current mode PWM control

* Up to 94% efficiency

* Stable with low ESR ceramic output capacitors

* Built-in protection function Drooping type Over Current Protection (OCP) with Auto-restart

NR421A General Description

The NR421A is Synchronous Rectification buck regulator ICs integrates PowerMOSFETs. With the current mode control, low ESR capacitors such as ceramic capacitors can be used. It has achieved a high efficiency by the synchronous rectification system. The ICs have protection functions such as Over-Cur.

NR421A Datasheet (1.57 MB)