參數(shù)資料
型號: UPC1935
廠商: NEC Corp.
元件分類: DC/DC變換器
英文描述: DC-DC CONVERTER CONTROL IC
中文描述: 的DC - DC轉(zhuǎn)換器控制IC
文件頁數(shù): 11/28頁
文件大?。?/td> 185K
代理商: UPC1935
Data Sheet G13418EJ3V0DS00
11
μ
PC1935
2.
CONFIGURATION AND OPERATION OF EACH BLOCK
Figure 2-1 Block Diagram
4
13
Error amplifier
0.3 V
Dead time setting: 85 %
(internally fixed)
Output
section
PWM
comparator
SCP
comparator
OUT
3
DTC
3
FB
3
I
I3
9
Error amplifier
0.3 V
Output
section
PWM
comparator
OUT
2
DTC
2
FB
2
I
I2
8
Error amplifier
0.3 V
Output
section
PWM
comparator
OUT
1
3
R
T
FB
1
I
I1
Oscillation
section
(common to each channel)
S
Q
Q
GND
DLY
C
DLY
5
1.9 V
0.63 V
1
V
CC
16
14
15
12
10
11
7
6
2
V
REF
Q
2
Q
1
Soft start
select switch
Reference
voltage
section
Under voltage
lock-out
section
Timer latch for
short-circuit
protection section
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