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Компоненты Описание
MB3788 Просмотр технического описания (PDF) - Fujitsu
Номер в каталоге
Компоненты Описание
производитель
MB3788
SWITCHING REGULATOR CONTROLLER
Fujitsu
MB3788 Datasheet PDF : 21 Pages
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MB3788
s
BLOCK DIAGRAM
Channel 1
+IN1 (E)
8
-IN1 (E)
7
FB1
6
-IN1 (C)
9
+
Error amplifier 1
-
+
0.6 V
-
Comparator 1
Channel 2
+IN2 (E)
17
-IN2 (E)
18
FB2
19
-IN2 (C)
16
+
Error amplifier 2
-
+
0.6 V
-
Comparator 2
OFF current setting
+
PWM comparator 1
-
1.5 V
OFF current setting
+
PWM comparator 2
-
1.5 V
Cb1
4
5
Ca1
1
V
CC
(out)
2
OUT1
3
VE1
Ca2
20
21
Cb2
23
OUT2
22
VE2
Timer circuit
SCP comparator
-
-
+
1
µ
A
2.1 V
1.9 V
1.3 V
SCP
15
V
REF
SR latch
circuit
Low input
voltage
protection
circuit
Reference Power/channel
voltage
ON/OFF
power (2.5 V) circuit
10
12
-IN(PWM) V
REF
24
GND
14
CTL2
11
V
CC
13
CTL1
4
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