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UC3863G-S08-R Datasheet(PDF) 2 Page - Unisonic Technologies

Part # UC3863G-S08-R
Description  LOW COST POWER-SAVING MODE PWM CONTROLLER
PDF  9 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC3863G-S08-R Datasheet(HTML) 2 Page - Unisonic Technologies

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UC3863
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
2 of 9
www.unisonic.com.tw
QW-R103-058.H
M ARK I N G
SOT-26
DIP-8
SOP-8
PI N CON FI GU RAT I ON
SOT-26
DIP-8 / SOP-8
PI N DESCRI PT I ON
PIN NO.
SOT-26
DIP-8
SOP-8
PIN NAME
PIN TYPE
DESCRIPTION
1
8
GND
P
Ground.
2
7
FB
I
Feedback input pin. The PWM duty cycle is determined by
voltage level into this pin and SENSE pin input.
3
5
RI
I
A resistor connected between RI and GND sets switching
frequency. A 100k
Ω resistor RI results in a 65KHz switching
frequency.
4
4
SENSE
I
Current sense input pin. Connected to MOSFET current
sensing resistor node.
5
2
VDD
P
Power supply.
6
1
GATE
O
The totem-pole output driver for driving the power MOSFET.
-
3, 6
NC
-
No Connection



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