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UPC1934 Datasheet(PDF) 3 Page - NEC

Part No. UPC1934
Description  DC-DC CONVERTER CONTROL IC
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Maker  NEC [NEC]
Homepage  http://www.nec.com/
Logo NEC - NEC

UPC1934 Datasheet(HTML) 3 Page - NEC

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Data Sheet G13567EJ3V0DS00
3
µµµµ PC1934
PIN CONFIGURATION (Top View)
16-pin plastic SSOP (5.72 mm (225))
•••• µµµµ PC1934GR-1JG
16-pin plastic TSSOP (5.72 mm (225))
•••• µµµµ PC1934GR-PJG
PIN FUNCTIONS
Pin No.
Symbol
Function
Pin No.
Symbol
Function
1CT
Frequency setting capacitor connection
9
VCC
Power supply
2RT
Frequency setting resistor connection
10
OUT2
Channel 2 open drain output
3IN1
Channel 1 error amplifier non-inverted
input
11
DTC2
Channel 2 dead time setting
4II1
Channel 1 error amplifier inverted input
12
FB2
Channel 2 error amplifier output
5FB1
Channel 1 error amplifier output
13
II2
Channel 2 error amplifier inverted input
6DTC1
Channel 1 dead time setting
14
IN2
Channel 2 error amplifier non-inverted
input
7OUT1
Channel 1 open drain output
15
DLY
Delay capacitor connection of short-
circuit protection
8
GND
Ground
16
VREF
Reference voltage output
1
2
3
4
16
15
14
13
512
611
710
89
VREF
DLY
IN2
II2
OUT2
VCC
DTC2
FB2
CT
RT
IN1
II1
FB1
DTC1
OUT1
GND


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