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M51995AFP

Voltage Mode PWM Controller 2A 500kHz 20-Pin SOP

email Email: [email protected]
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tel Tel: +852 95804164

Key Features

  • 500 kHz operation to MOS FET
  •  Output current : ±2 A
  •  Output rise time 60 ns, fall time 40 ns
  •  Modified totempole output method with small through current
  • Compact and light-weight power supply
  •  Small start-up current : 90 µA typ.
  •  Big difference between “start-up voltage” and “stop voltage” makes the smoothing capacitor of the power input section small. Start-up threshold 16 V, stop voltage 10 V
  •  Packages with high power dissipation are used to with-stand the heat generated by the gate-drive current of MOS FET. 16-pin DIP, 20-pin SOP 1.5 W (at 25°C)
  • Simplified peripheral circuit with protection circuit and built-in large-capacity totempole output
  •  High-speed current limiting circuit using pulse-by-pulse method (Two system of CLM+pin, CLM−pin)
  •  Protection by intermittent operation of output over current : Timer protection circuit
  •  Over-voltage protection circuit with an externally re-settable latch (OVP)
  •  Protection circuit for output miss action at low supply voltage (UVLO)
  • High-performance and highly functional power supply
  •  Triangular wave oscillator for easy dead time setting

Specifications

Pin Count 20 Released Date Jan 11, 2022
Last Modified Date Mar 7, 2023 4:10 PM UTC

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