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US3706 Datasheet(PDF) 2 Page - Unisonic Technologies

Part # US3706
Description  CURRENT MODE PWM POWER SWITCH
PDF  8 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

US3706 Datasheet(HTML) 2 Page - Unisonic Technologies

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US3706
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
2 of 8
www.unisonic.com.tw
QW-R129-001.b
MARKING
PIN CONFIGURATION
PIN DESCRIPTION
PIN NO.
PIN NAME
DESCRIPTION
1
DRAIN
HV MOSFET Drain Pin. The Drain pin is connected to the primary lead of the
transformer.
2
VDD
Supply voltage
3
Source
HV MOSFET Source Pin.
4
RT
Connected through a NTC resistor to ground for over temperature protection.
5
FB
Feedback input pin. The PWM duty cycle is determined by voltage level into this pin and
the current-sense signal at Pin 3.
6
GND
Ground
BLOCK DIAGRAM



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