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Switching Regulator - M78AR-1 Series

product picture


  • Industrial Standard SIP-3 Package
  • Pin-out compatible with LM78xx Linear Regulators
  • Fully Regulated Output Voltage
  • Low Ripple & Noise
  • Excellent Efficiency up to 96%
  • Operating Ambient Temp. Range -40℃ to +85℃
  • Low No Load Power Consumption
  • No Min. Load Requirement
  • Over Temp. and Short Circuit Protection
Specifications Document Download
Output Voltage Accuracy ±2.0% typ. 
Line Regulation 3.3V, 5V ±0.2% typ.
12V ±0.1% typ. 
Load Regulation 3.3V, 5V ±0.4% typ. 
12V ±0.25% typ. 
Ripple & Noise (20MHz) 3.3V, 5V 50mVp-p max. 
12V 75mVp-p max. 
Efficiency Up to 96% 
Operating Temp. Range -40℃ to +85℃ (See Derating Curve)
Short Circuit Protection Continuous (Auto. Recovery) 
Case Material Plastic (UL94V-0 rated) 
3D Mechanical

3D Mechanical

Model Number Output PowerInput Voltage Range (VDC)Output Voltage (VDC)Output Current (mA)Efficiency (typ.)Isolation VoltagePackage

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