NR8910 PDF – DC/DC Converter IC NR891D

Part Number: NR8910

Correct P/N: NR891D

Function: Separate Excitation Step-down Switching Mode Regulator IC

Package: DIP 8 Pin type

Manufacturer: ETC

Images:NR8910 pdf


A step-down switching mode regulator IC, also known as a buck regulator IC, is an integrated circuit that provides voltage regulation by stepping down the input voltage to a lower output voltage. It is a type of DC-DC converter that efficiently converts higher input voltages to lower output voltages.

Step-down switching mode regulator ICs offer several advantages, including high efficiency, compact size, and the ability to handle a wide range of input voltages. They are commonly used in various electronic devices, including smartphones, laptops, power supplies, and other battery-powered devices.


• Input voltage range (VIN): VO + 3 to 18 V
• Synchronous rectifier mode
• High efficiency: 90%
• Introduction of current mode control method
• A ceramic capacitor can be used for output
• Built-in phase correction component
• Output current: 2 A
• Reference voltage and accuracy of 0.8 V ± 2%
• Oscillation frequency: 500 kHz
• Output ON/OFF available
• Undervoltage lockout
• Soft start function


• Power supply for LCDTV and PDP
• Power supply for DVD, BD, and STB
• On-board local power supply
• Power supply for switches […]

NR8910 pinout datasheet

NR8910 PDF Datasheet