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LM3208 Datasheet Step-down DC-dc Converter

Manufacturer: Texas Instruments

Overview: LM3208 www.ti.com SNVS404B – APRIL 2006 – REVISED MARCH 2013 LM3208 650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers Check for Samples:.

General Description

The LM3208 is a DC-DC converter optimized for powering RF power amplifiers (PAs) from a single Lithium-Ion cell.

However, it may be used in many other applications.

It steps down an input voltage in the range from 2.7V to 5.5V to an adjustable output voltage of 0.8V to 3.6V.

Key Features

  • 1.
  • 2 2 MHz (typ. ) PWM Switching Frequency.
  • Operates from a Single Li-Ion Cell (2.7V to 5.5V).
  • Adjustable Output Voltage (0.8V to 3.6V).
  • Fast Output Voltage Transient (0.8V to 3.4V in 25µs typ. ).
  • 650mA Maximum Load Capability.
  • High Efficiency (95% typ. at 3.9VIN, 3.4VOUT at 400mA).
  • 8-pin DSBGA Package.
  • Current Overload Protection.
  • Thermal Overload Protection.

LM3208 Distributor