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NJU7691 - 300mA Synchronous Step-Down switching regulator IC

General Description

The NJU7691 is a synchronous rectification switching regulator IC with a power MOSFET (300mA output).

It incorporates an over-current detection and thermal shutdown circuit, which can make a power supply circuit with few external parts.

The output voltage can be set from 1.8V.

Key Features

  • S.
  • 300mA Synchronous Step-Down.
  • PWM switching control.
  • Operating Voltage 2.2V to 7V.
  • Wide Oscillator Range 300kHz to 1MHz.
  • Maximum Duty Cycle 100%.
  • Stand-by Current 5µA max.
  • Soft-Start Function 4ms typ.
  • Over Current Protection.
  • C-MOS Technology.
  • Package Outline NJU7691RB1 : MSOP8 (TVSP8).
  • MEET JEDEC MO-187-DA / THIN TYPE.
  • PIN.

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Datasheet Details

Part number NJU7691
Manufacturer New Japan Radio
File Size 166.75 KB
Description 300mA Synchronous Step-Down switching regulator IC
Datasheet download datasheet NJU7691 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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NJU7691 300mA Synchronous Step-Down switching regulator IC ■ GENERAL DESCRIPTION The NJU7691 is a synchronous rectification switching regulator IC with a power MOSFET (300mA output). It incorporates an over-current detection and thermal shutdown circuit, which can make a power supply circuit with few external parts. The output voltage can be set from 1.8V. Therefore it is suitable for a power supply circuit for digital chips and logic ICs. The NJU7691 is available in a small and thin 8-lead MSOP (TVSP) package. ■ PACKAGE OUTLINE NJU7691RB1 (MSOP8 (TVSP8)) ■ FEATURES ● 300mA Synchronous Step-Down ● PWM switching control ● Operating Voltage 2.2V to 7V ● Wide Oscillator Range 300kHz to 1MHz ● Maximum Duty Cycle 100% ● Stand-by Current 5µA max. ● Soft-Start Function 4ms typ.