MB3881 Datasheet, PDF (6/40 Pages) Fujitsu Component Limited. – 8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down

MB3881
• Enlarged view of A
FB1 47
−IN1 46
DTC1 48
FB2 44
−IN2 43
DTC2 45
FB3 41
−IN3 40
DTC3 42
FB4 38
−IN4 37
DTC4 39
Error
− ^Amp.1
+
+
1.25 V
SCP
− ^Comp.1
+
+
1.0 V
PWM
Comp.1-1
+
+
−
PWM
VB1 ^Comp.1-2
+
−
Error
− ^Amp.2
+
+
1.25 V
SCP
Comp.2
−
+
+
1.0 V
PWM
Comp.2-1
+
+
−
PWM
VB2 ^Comp.2-2
+
−
Error
− ^Amp.3
+
+
1.25 V
SCP
Comp.3
−
+
+
1.0 V
PWM
Comp.3
+
+
−
Error
− ^Amp.4
+
+
1.25 V
SCP
Comp.4
−
+
+
1.0 V
PWM
Comp.4
+
+
−
CH1
Drive
1-1
Drive
1-2
CH2
Drive
2-1
Drive
2-2
CH3
Drive
3
CH4
Drive
4
6
58 VCC(O)-1
50 OUT1-1
49 VSS(O)-1
52 VDD(O)
51 OUT1-2
53 OUT2-1
54 OUT2-2
56 OUT3
57 OUT4
55 GND(O)-1