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UC3849BL-S08-R Datasheet(PDF) 2 Page - Unisonic Technologies

Part # UC3849BL-S08-R
Description  LOW COST POWER-SAVING MODE PWM CONTROLLER
PDF  10 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC3849BL-S08-R Datasheet(HTML) 2 Page - Unisonic Technologies

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UC3849B
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
2 of 10
www.unisonic.com.tw
QW-R103-153.A
M ARK I N G
DIP-8
SOP-8
PI N CON FI GU RAT I ON
GND
FB
VIN
NC
GATE
VDD
SENSE
RT
1
2
3
4
8
7
6
5
PI N DESCRI PT I ON
PIN NO.
PIN NAME
PIN TYPE
DESCRIPTION
1
GND
P
Ground.
2
FB
I
Feedback input pin. The PWM duty cycle is determined by voltage level
into this pin and SENSE pin input.
3
VIN
I
Connected through a start up resistor to line voltage for VCC ON
4
NC
5
RT
I
Connected through a NTC resistor to GND for OTP.
6
SENSE
I
Current sense input pin. Connected to MOSFET current sensing resistor
node.
7
VDD
P
Power supply.
8
GATE
O
The totem-pole output driver for driving the power MOSFET.



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