600Ma,500Khz,Step-Down Switching Regulator In Sot23

Manufacturer's part number :

NJW1933

Manufacturer New Japan Radio

New Japan Radio

Description :

The NJW1933 is a switching regulator IC for buck converter that operates wide input voltage range from 4.5V to 40V. The wide input range makes the NJW1933 suitable for several applications such as 12V and/or 24V industrial supplies, automotive batteries and the other unregulated voltage sources. It corresponds to Low ESR output capacitor (MLCC), high operating frequency of 500kHz, internally compensated and small SOT-23 package. Therefore, the NJW1933 can realize downsizing of applications with a few and tiny external parts so that adopts current mode control. Also, it has a soft start function, over current protection and thermal shutdown circuit.

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    Features

  • Pin compatible with LT1933 and LM2842. Also it is possible to reduce an external part
  • Maximum Rating Input Voltage (45V)
  • Wide Operating Voltage Range (4.5V to 40V)
  • Switching Current (0.8A min.)
  • Fixed Operating Frequency (500kHz)
  • Uses Tiny Capacitors and Inductors
  • Soft Start Function
  • Low Shutdown Current < 1µA
  • Internally Compensated
  • Under Voltage Lockout (UVLO)
  • Output Adjustable Down to 1.25V
  • Over Current Protection
  • Thermal Shutdown Protection
  • Package Outline (SOT-23-6-1)
  • APPLICATIONS
  • Industrial Control Supplies
  • Automotive Battery Regulation
  • Office Automation Equipments
Features Similar products
Switching frequency (kHz) 500  

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Max Input Voltage (V) 40  
Output Voltage (V) 3.3  
Typ. Active Current (µA) 1.6  
Output Capacitor Type Ceramic Capacitor  
Output Current (mA) 600  
Operating Temperature (°C) -40 to +85  
Package SOT-23-6-1