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MIC2808 - Dual Low Noise 200mA/30mA LDO Regulators

General Description

The MIC2808 integrates a high performance 600mA DC/DC step down regulator intended for powering a power amplifier (PA) in a mobile phone with dual low noise low dropout (LDO) regulators for the rest of the RF section.

Key Features

  • 2.7V to 5.5V input voltage range Stable with ceramic output capacitors Tiny 16-pin 2.0mm x 2.5mm TMLF® Package Thermal shutdown protection Current limit protection RF PA Power Supply DC/DC Regulator.
  • Adjustable output power supply.
  • DAC controlled.
  • VOUT = VDAC x 3.
  • Bypass mode operation.
  • Internal 95mΩ switch between PVIN and OUT pins.
  • VDAC > 1.2V.
  • Up to 600mA output current in PWM mod.

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Datasheet Details

Part number MIC2808
Manufacturer Micrel Semiconductor
File Size 611.11 KB
Description Dual Low Noise 200mA/30mA LDO Regulators
Datasheet download datasheet MIC2808 Datasheet

Full PDF Text Transcription for MIC2808 (Reference)

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MIC2808 www.DataSheet4U.com RF PA Power Management IC 2MHz, 600mA DC/DC w/DAC Input and Bypass Switch, Dual Low Noise 200mA/30mA LDO Regulators General Description The MI...

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h, Dual Low Noise 200mA/30mA LDO Regulators General Description The MIC2808 integrates a high performance 600mA DC/DC step down regulator intended for powering a power amplifier (PA) in a mobile phone with dual low noise low dropout (LDO) regulators for the rest of the RF section. Optimized for low noise performance, the MIC2808 improves efficiency in the handset without compromising quality. The MIC2808 has a 2MHz, constant frequency pulse width modulated (PWM) DC/DC regulator designed for low noise operation and high efficiency. The output voltage (VOUT) is variable from 0.3V to the input voltage (VIN), adjustable from 0