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HA16121FPJ - Switching Regulator for Chopper Type DC/DC Converter

Description

HA16116FP/FPJ and HA16121FP/FPJ are dual-channel PWM switching regulator controller ICs for use in chopper-type DC/DC converters.

This IC series incorporates totem pole gate drive circuits to allow direct driving of a power MOS FET.

Features

  • Wide operating supply voltage range.
  • (3.9 V to 40.0 V) Wide operating frequency range (600 kHz maximum operation) Direct power MOS FET driving (output current ±1 A peak in maximum rating) Pulse-by-pulse overcurrent protection circuit with intermittent operation function (When overcurrent state continues beyond time set in timer, the IC operates intermittently to prevent excessive output current. ).
  • Grounding the ON/OFF pin turns the IC off, sav.

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Part Number Description
HA16121FP Switching Regulator for Chopper Type DC/DC Converter
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HA16120FPJ Switching Regulator for Chopper Type DC/DC Converter
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Full PDF Text Transcription

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HA16116FP/FPJ, HA16121FP/FPJ Switching Regulator for Chopper Type DC/DC Converter Description HA16116FP/FPJ and HA16121FP/FPJ are dual-channel PWM switching regulator controller ICs for use in chopper-type DC/DC converters. This IC series incorporates totem pole gate drive circuits to allow direct driving of a power MOS FET. The output logic is preset for booster, step-down, or inverting control in a DC/DC converter. This logic assumes use of an N-channel power MOS FET for booster control, and a P-channel power MOS FET for step-down or inverting control. HA16116 includes a built-in logic circuit for step-down control only, and one for use in both step-down and inverting control. HA16121 has a logic circuit for booster control only and one for both step-down and inverting control.
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