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NJU7677 - 1.8V Operate PWM control Step-Up / Flyback switching regulator IC

Description

The NJU7677 is a high-speed switching regulator control IC for PWM control step-up and fly-back converter that operates from 1.8V.

It incorporates a totem pole driver output, which can directly drive an external MOS-FET.

Features

  • S.
  • PWM switching control.
  • Operating Voltage 1.8V to 7V.
  • Wide Oscillator Range 300kHz to 1MHz.
  • Maximum Duty Cycle 90% typ.
  • Quiescent Current.
  • Soft-Start Function 600µA typ. Internal : 4ms typ. or adjustable.
  • Dead Time Control.
  • Timer Latch for Short Circuit Protection.
  • C-MOS Technology.
  • Package Outline NJU7677RB1 : MSOP8 (TVSP8).
  • MEET JEDEC MO-187-DA / THIN TYPE.
  • PIN.

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Datasheet Details

Part number NJU7677
Manufacturer New Japan Radio
File Size 158.68 KB
Description 1.8V Operate PWM control Step-Up / Flyback switching regulator IC
Datasheet download datasheet NJU7677 Datasheet

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Full PDF Text Transcription

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NJU7677 1.8V Operate PWM control Step-Up / Flyback switching regulator IC ■ GENERAL DESCRIPTION The NJU7677 is a high-speed switching regulator control IC for PWM control step-up and fly-back converter that operates from 1.8V. It incorporates a totem pole driver output, which can directly drive an external MOS-FET. The NJU7677 also has a soft-start function, dead time control and timer latch for short circuit protection and their times are all adjustable with external parts. It is available in a small and thin 8-lead MSOP (TVSP) package. It is suitable for battery powered applications. ■ PACKAGE OUTLINE NJU7677RB1 (MSOP8 (TVSP8)) ■ FEATURES ● PWM switching control ● Operating Voltage 1.8V to 7V ● Wide Oscillator Range 300kHz to 1MHz ● Maximum Duty Cycle 90% typ.
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