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Excelliance MOS - PWM Controller

Numéro de référence EM5303A
Description PWM Controller
Fabricant Excelliance MOS 
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EM5303A fiche technique
5V/12V Synchronous Buck PWM Controller
EM5303/A
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.
Ordering Information
Part Number
EM5303GE
Package
PSOP-8
Frequency
200kHz
EM5303AGE
PSOP-8
300kHz
Applications
Notebook & Netbook
Graphic Cards & MB
Low Voltage Logic Supplies
Pin Configuration
Features
Operate from 5V to 12V Voltage Supply
0.6V VREF with 1.5% Accuracy
Voltage Mode PWM Control
200kHz or 300kHz Fixed Frequency
Oscillator
0% to 80% Duty Cycle
Internal Soft Start
Over Current Protection
Integrated Bootstrap Diode
Adaptive Non-Overlapping Gate Driver
Under Voltage Protection
Over Voltage Protection
Typical Application Circuit
2012/10/16
Rev.A.7
1

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