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CYStech Electronics - 5V 12V Synchronous Buck PWM Controller

Numéro de référence EM5303A
Description 5V 12V Synchronous Buck PWM Controller
Fabricant CYStech Electronics 
Logo CYStech Electronics 





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EM5303A fiche technique
CYStech Electronics Corp.
5V/12V Synchronous Buck PWM Controller
EM5303/A
Spec. No. : C551QP
Issued Date : 2010.10.25
Revised Date :
Page No. : 1/12
General Description
EM5303/A is a synchronous rectified PWM controller operating with 5V or 12V supply voltage. This
device operates at 200/300 kHz and provides an optimal level of integration to reduce size and cost of the
power supply.
This part includes internal soft start, internal compensation networks, over current protection, under
voltage protection, and shutdown function. This part is available in PSOP-8 package.
Features
z Operate from 5V to 12V Voltage Supply
z 0.6V VREF with 1.5% Accuracy
z Voltage Mode PWM Control
z 200kHz or 300kHz Fixed Frequency Oscillator
z 0% to 80% Duty Cycle
z Internal Soft Start
z Over Current Protection
z Integrated Bootstrap Diode
z Adaptive Non-Overlapping Gate Driver
z Under Voltage Protection
z Over Voltage Protection
Applications
z Notebook & Netbook
z Graphic Cards & MB
z Low Voltage Logic Supplies
Ordering Information
Part Number
EM5303QP
EM5303AQP
Package
PSOP-8
PSOP-8
Frequency
200kHz
300kHz
EM5303QP
CYStek Product Specification
http://www.Datasheet4U.com

PagesPages 12
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