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Power Management

Switching Regulator IC for Buck Converter Current Mode Control with 40V/1A MOSFET(Wide Input Range Products)

Evaluation Board
datasheet NJW4153 EVA Boards
  • Current mode Control
  • Maximum Rating Input Voltage (45V)
  • Wide Operating Voltage Range (4.6V to 40V)
  • Switching Current (1.4A min.)
  • PWM Control
  • Built-in Compensation Circuit
  • Correspond to Ceramic Capacitor (MLCC)
  • Oscillating Frequency (1MHz typ.(A ver.))
  • Soft Start Function (4ms typ.)
  • UVLO (Under Voltage Lockout)
  • Over Current Protection (Hiccup type)
  • Thermal Shutdown Protection
  • Standby Function
  • Package Outline (NJW4153U2:SOT-89-5-2/NJW4153KV1:DFN8-V1(ESON8-V1))
General Description
The NJW4153 is a buck converter with 40V/1A MOSFET. It corresponds to high oscillating frequency, and Low ESR Output Capacitor (MLCC) within wide input range from 4.6V to 40V.Therefore, the NJW4153 can realize downsizing of applications with a few external parts so that adopts current mode control.Also, it has a soft start function, an over current protection and a thermal shutdown circuit.It is suitable for power supply circuit of Micro Processor, DSP and so on that need fast transient response.
Design Simulation Models
pdf NJW4153 Application Simulator
Package Information
Part Number Package Outline Pins Material Declaration (RoHS/Halogen) Terminal Finish Weight(mg) (Reference) Reflow soldering Flow soldering Iron soldering Packing Condition MSL Solder Foot Print
NJW4153U2 download
5 Sn2Bi 61 Yes Yes Yes Non dry pack 1
NJW4153KV1 download
8 Sn2Bi 7.2 Yes - - Non dry pack 1
Sample & Buy
Part Number Packages Status Packing Specification Sample   Buy   
NJW4153U2-A SOT-89-5-2 (Active)
NJW4153KV1-A DFN8-V1(ESON8-V1) (Active)

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