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PAM2322AGEAR - Dual High-Efficiency PWM Step-Down DC-DC Converter

General Description

The PAM2322AGEAR is a dual step-down current-mode, DC-DC converter.

At heavy load, the constant-frequency PWM control performs with excellent stability and transient response.

Key Features

  • include under-voltage lockout, soft-start, hiccup mode short circuit protection and thermal shutdown. Features.
  • Supply Voltage:2.7V to 5.5V.
  • Output Current: OUT1: 1000mA/Buck, 1.8V Fixed Output OUT2: 2000mA/Buck.
  • Switching Frequency:1.2MHz.
  • Internal Synchronous Rectifier.
  • Fast Transient Response.
  • Fast Turn On and Turn Off.
  • Internal Soft Start.
  • Internal Compensation.
  • 100% Duty Cycle Operation.
  • Power Good Indicator for OUT1.
  • Under-Voltage Loc.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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A Product Line of Diodes Incorporated PAM2322AGEAR Dual High-Efficiency PWM Step-Down DC-DC Converter ADVANCED INFORMATION Description The PAM2322AGEAR is a dual step-down current-mode, DC-DC converter. At heavy load, the constant-frequency PWM control performs with excellent stability and transient response. To ensure the longest battery life in portable applications, the PAM2322AGEAR provides a power-saving Pulse-Skipping Modulation (PSM) mode to reduce quiescent current under light load operation Pin Assignments The PAM2322AGEAR supports a range of input voltages from 2.7V to 5.5V, allowing the use of a single Li+/Li-polymer cell, multiple Alkaline/NiMH cell, USB, and other standard power sources. Output 1 is a 1.8V fixed output. Output 2 is adjustable from 0.9V to VIN.