MB3788 データシートの表示（PDF） - Fujitsu
部品番号
コンポーネント説明
メーカー
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 VCC(out)
2 OUT1
3
VE1
Ca2
20
21
Cb2
23 OUT2
22
VE2
Timer circuit
SCP comparator -
-
+
1 µA
2.1 V
1.9 V
1.3 V
SCP
15
VREF
SR latch
circuit
Low input
voltage
protection
circuit
Reference Power/channel
voltage
ON/OFF
power (2.5 V) circuit
10
12
-IN(PWM) VREF
24
GND
14 CTL2
11 VCC
13 CTL1
4
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