Part APW8869B
Description DDR2 AND DDR3/DDR3L SYNCHRONOUS BUCK CONTROLLER
Manufacturer ANPEC
Size 474.93 KB
ANPEC

APW8869B Overview

Description

The APW8869B integrates a synchronous buck PWM controller to generate VDDQ, a sourcing and sinking LDO linear regulator to generate VTT. It offers the lowest total solution cost in system where space is at a premium.

Key Features

  • High Input Voltages Range from 6V to 21V Input Power
  • Provide Adjustable Output Voltage from 0.9V to 2V +1%Accuracy over Temperature
  • Integrated MOSFET Drivers and Bootstrap Forward P-CH MOSFET
  • Low Quiescent Current (200µA)
  • Excellent Line and Load Transient Responses
  • PFM Mode for Increased Light Load Efficiency
  • Constant On-Time Controller Scheme
  • Switching Frequency Compensation for PWM Mode
  • Adjustable Switching Frequency from 400kHz to 550kHz in PWM Mode with DC Output Current
  • S3 and S5 Pins Control The Device in S0, S3 or S4/ S5 State