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UPC1935 Datasheet(PDF) 13 Page - Renesas Technology Corp

Part # UPC1935
Description  BiCMOS INTEGRATED CIRCUIT
PDF  30 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

UPC1935 Datasheet(HTML) 13 Page - Renesas Technology Corp

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Data Sheet G13418EJ3V0DS00
11
µµµµ PC1935
2.
CONFIGURATION AND OPERATION OF EACH BLOCK
Figure 2-1 Block Diagram
4
13
Error amplifier
Dead time setting: 85 %
(internally fixed)
0.3 V
Output
section
PWM
comparator
SCP
comparator
OUT3
DTC3
FB3
II3
9
Error amplifier
0.3 V
Output
section
PWM
comparator
OUT2
DTC2
FB2
II2
8
Error amplifier
0.3 V
Output
section
PWM
comparator
OUT1
3
RT
FB1
II1
Oscillation
section
(common to each channel)
SQ
Q
GND
DLY
CDLY
5
1.9 V
0.63 V
1
VCC
16
14
15
12
10
11
7
6
2
VREF
Q2
Q1
Soft start
select switch
Reference
voltage
section
Under voltage
lock-out
section
Timer latch for
short-circuit
protection section



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