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HA16654A Datasheet PWM Controlled Switching Regulator

Manufacturer: Hitachi Semiconductor (now Renesas)

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Overview

HA16654A, HA16664A Series PWM Controlled Switching Regulator The HA16654A and HA16664A are PWM control switching regulator ICs which drive a power MOSFET at high speed and high frequency.

The standby current is limited to as small as 1.5 mA (typ).

These devices incorporate totem pole circuits suited for high-speed push-pull operation at the output stage, accomplishing high-speed switching with rising time tr = 80 ns (typ) and falling time t f = 40 ns (typ) at 20 V swing.

Key Features

  • High speed switching: tr = 80 ns, tf = 40 ns (typ) when use exernal driver circuit.
  • High frequency operation: HA16654A (f = 100 kHz to 500 kHz) HA16664A (f = 100 kHz to 200 kHz) Low power dissipation : 2 mA max in standby state.
  • 5 V reference voltage.
  • Low-input malfunction protection (High threshold voltage: 10 V Typ, Low threshold voltage: 8 V Typ).
  • Adjustable dead band width.
  • Enlarged output pulse width control range (0 to 80%).
  • S.

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