ACE752D Datasheet, PDF (1/9 Pages) ACE Technology Co., LTD. – 120KHz 3.5A Buck DC-DC Converter

ACE752D
120KHz 3.5A Buck DC-DC Converter
Description
The ACE752D is a high efficiency step down DC-DC converter with adjustable current limit in compact
SOP-8/ESOP-8 packages, including an error amplifier, ramp generator, current comparator, slope
compensation, current sense and logic driver. It also integrates a current error amplifier to have a
constant voltage and constant current control. Peak current mode PWM control with external adjustable
compensation provides a stable and high efficient operation over a wide range of load currents. By
means of an on board current sense resistor and the availability of the current sense pins, a current limit
programming is very simple and accurate.The internal robust DMOS transistor with a typical of 150 mΩ
assures high efficiency even at high output current level. The internal limiting current of typical value of
3.5 A, output short and over temperature protection, protect the device from accidental damage. The
internal fixed switching frequency of 120 kHz, and the SOP-8/ESOP-8 packages pin allow building an
ultra compact DC/ DC converter with a minimum board space.
Features
• Up to 2.1A/2.4Aoutput current
• Input Under Voltage Lockout
• Operating voltage can be up to 40V
• 120 kHz Internal Jitter Frequency for lower EMI
• Patent-Technique Constant Voltage and Constant Current Control.
• Patent-Technique Output Voltage Compensation
• Adjustable current limit
• Over Temperature Protection
• Small SOP-8/ESOP-8 Packages
Application
• Car Charger/Adaptor
• Rechargeable Portable Devices
• General-purpose step-down converters with adjustable current limit
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