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MIC47300 - 3A / Low Voltage Adjustable LDO Regulator

General Description

The MIC47300 is a high-bandwidth, low-dropout, 3A voltage regulator ideal for powering core voltages of lowpower microprocessors.

The MIC47300 implements a dual supply configuration allowing for very low output impedance and very fast transient response.

Key Features

  • Input Voltage Range:.
  • VIN: 1.4V to 6.5V.
  • VBIAS: 3.0V to 6.5V.
  • Stable with 1µF ceramic capacitor.
  • ±1% initial tolerance.
  • Maximum dropout voltage (VIN.
  • VOUT) of 400mV over temperature.
  • Adjustable output voltage down to 0.9V.
  • Ultra fast transient response (Up to 10MHz bandwidth).
  • Excellent line and load regulation specifications.
  • Power D-Pak package (TO-252).
  • Thermal shutdown and current-limit.

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Datasheet Details

Part number MIC47300
Manufacturer MICREL
File Size 431.69 KB
Description 3A / Low Voltage Adjustable LDO Regulator
Datasheet download datasheet MIC47300 Datasheet

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Full PDF Text Transcription (Reference)

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MIC47300 3A, Low Voltage, Adjustable LDO Regulator with Dual Input Supply General Description The MIC47300 is a high-bandwidth, low-dropout, 3A voltage regulator ideal for powering core voltages of lowpower microprocessors. The MIC47300 implements a dual supply configuration allowing for very low output impedance and very fast transient response. The MIC47300 requires a bias input supply between 3V and 6.5V for proper operation. The main input supply rail operates from 1.4V to 6.5V that allows for adjustable output voltages down to 0.9V. The MIC47300 requires a minimum of 1µF output capacitance for stability, and optimal operation is achieved with small ceramic capacitors.