參數(shù)資料
型號: MB3821
廠商: Fujitsu Limited
英文描述: 2-ch DC/DC Converter IC With Synchronous Rectifier
中文描述: 2通道DC / DC轉換集成電路整流同步
文件頁數(shù): 4/24頁
文件大?。?/td> 273K
代理商: MB3821
4
MB3821
I
BLOCK DIAGRAM
6
5
4
13
FB1
CS1
1.26 V
+
+
+
+
Error Amp.
IN1
(40 mV)
PWM Comp.2
PWM Comp.1
Drive
Drive
8
9
11
< CH1 >
10
23
1
μΑ
1
μΑ
VB
CB1
V
CC
OUT1
1
VS1
OUT2
1
19
20
21
FB2
CS2
1.26 V
+
+
+
+
Error Amp.
SCP Comp.
IN2
(40 mV)
PWM Comp.2
PWM Comp.1
Drive
Drive
17
16
14
12
< CH2 >
15 CB2
OUT1
2
VS2
OUT2
2
1
μΑ
+
1.9 V
1.3 V
18
3
24
V
REF
2
1
7
22
CSCP
CT
RT
GND
CTL
GND (0)
SEL
2.1 V
bias
Latch
UVLO
OSC
Ref
(2.5 V)
Power
ON/OFF
bias
S
R
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