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NJW4138 Datasheet Internal 45v MOSFET Switching Regulator

Manufacturer: New Japan Radio

Overview: NJW4138 Internal 45V MOSFET Switching Regulator IC for Capacitor Charge Boost Converter.

Datasheet Details

Part number NJW4138
Manufacturer New Japan Radio
File Size 300.44 KB
Description Internal 45V MOSFET Switching Regulator
Datasheet NJW4138-JRC.pdf

General Description

The NJW4138 is a step up switching regulator with 45V, 1.75A power MOSFET.

The NJW4138 has a current mode control, a high frequency oscillating over a wide operating voltage range and an internal phase compensation circuit, so that it provides boost applications with a few external parts.

The NJW4138 has built-in overcurrent protection for Pulse-by-Pulse, it is suitable for charging the backup capacitor.

Key Features

  • Current Mode Control.
  • External Clock Synchronization.
  • Operating Voltage Range 4.5V to 40V.
  • Switching Current 1.75A min.
  • PWM Control.
  • Built-in Compensation Circuit.
  • Correspond to Ceramic Capacitor (MLCC).
  • Oscillating Frequency 2MHz typ. (C ver. ).
  • Soft Start Function 10ms typ.
  • UVLO (Under Voltage Lockout).
  • Over Current Protection (Pulse-by-Pulse type).
  • Thermal Shutdown Protection.
  • Standby Function.
  • Package Outline SOT-8.

NJW4138 Distributor