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NJW4170 Datasheet Current Mode Control High Speed Frequency Internal 1A MOSFET Switching Regulator

Manufacturer: New Japan Radio

Overview: NJW4170 Current Mode Control High Speed Frequency Internal 1A MOSFET Switching Regulator IC for Buck Converter.

Datasheet Details

Part number NJW4170
Manufacturer New Japan Radio
File Size 475.39 KB
Description Current Mode Control High Speed Frequency Internal 1A MOSFET Switching Regulator
Download NJW4170 Download (PDF)

General Description

The NJW4170 is a high speed oscillating frequency buck converter with 40V/1A MOSFET.

Current mode control and built-in phase compensation circuit minimize external parts and contribute to using a Low ESR Output Capacitor(MLCC) within wide input range from 4.5V to 40V.

Therefore, the NJW4170 can realize downsizing of applications.

Key Features

  • Oscillating Frequency 2.4MHz typ. (A ver. ) 2.1MHz typ. (B ver. ) Minimum ON time 80ns typ. (A ver. ) 85ns typ. (B ver. ) Current mode Control External Clock Synchronization Wide Operating Voltage Range 4.5V to 40V Switching Current 1.4A min. PWM Control Built-in Compensation Circuit Correspond to Ceramic Capacitor (MLCC) Soft Start Function 4ms typ. UVLO (Under Voltage Lockout) Over Current Protection (Hiccup type) Thermal Shutdown Protection Standby Function Package Outline NJW.

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