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 Thermal Shutdown (TSD) with Auto-restart Under Voltage Lockout(UVLO)
- By the internal Phase pensation, external ponent count reduction
- Adjustable Soft-Start with an external capacitor
- Output ON/OFF function (Enable)
Basic Circuit Connection
Package
- HSOP8 Thermally enhanced 8-Pin package
- Image: Not to scale
Electrical Characteristics
- Input voltage range VIN = 4.5 to 18V
- Output voltage range VO=0.8V to 14V
- Operation Frequency FSW= 350k Hz Fixed
Applications
- LCD-TV
- Blu-ray
- Power supply for digital consumer
NR421A-DSE Rev.1.2
SANKEN ELECTRIC CO.,LTD
2016.04.27 http://.sanken-ele.co.jp/en/
© SANKEN ELECTRIC CO.,LTD. 2016
NNNRNN4N21A
CONTENTS
General Descriptions...
