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TDA3681JR +BOM

Voltage regulator with switch and ignition buffer, designed for multiple applications

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Key Features

  • General
  • Extremely low noise behaviour and good stability with very small output capacitors
  • Second supply pin for regulators 3 and 4 to reduce power dissipation (e.g. via a DC-to-DC converter)
  • Three VP-state controlled regulators (regulators 1, 3 and 4) and a power switch
  • Regulator 2, reset and ignition buffer operational during load dump and thermal shutdown
  • Combined control pin for switching regulators 1 and 3
  • Separate control pins for switching regulator 4 and the power switch
  • Supply voltage range from −18 to +50 V
  • Low quiescent current in standby mode (when regulators 1, 3 and 4 and power switch are switched off and ignition input is low)
  • Hold output (open-collector output stage) for low VP (regulators 1, 3 and 4 and power switch off)
  • Hold output when one of regulators 1 and 3 and/or 4 is out of regulation
  • Hold output for foldback mode of power switch and regulators 1, 3 and 4Hold output for load dump and temperature protection
  • Reset (push-pull output stage) for regulator 2
  • Adjustable reset delay time
  • High supply voltage ripple rejection
  • Backup capacitor for regulator 2
  • One independent ignition buffer (active HIGH).
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nxp Inventory

Specifications

Product Category Linear Voltage Regulators Product Type Linear Voltage Regulators
Subcategory PMIC - Power Management ICs

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