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UC3842A Datasheet(PDF) 2 Page - Unisonic Technologies

Part # UC3842A
Description  CURRENT MODE PWM CONTROL CIRCUITS
Download  9 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC3842A Datasheet(HTML) 2 Page - Unisonic Technologies

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UC3842A/3843A
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
2 of 9
www.unisonic.com.tw
QW-R103-002,D
PIN CONFIGURATION
RT/CT
Output
GND
1
2
3
4
8
7
5
6
Current Sense
COMP
VFB
VREF
VCC
BLOCK DIAGRAM
7
5
7
6
5
4
3
1
2
8
Internal
Bias
5V REF
S/R
U.V.L.O
R
S
PWM
LATCH
ERROR
AMPLIFIER
1V
OSCILLATOR
VFB
COMP
CURRENT SENSE
RT/CT
Vcc
GND
OUTPUT
Vcc
GND
CURRENT
SENSE
COMPARATOR
VREF
1/2VREF
VREF
Good
Logic
1/3VREF


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