MB3827 Datasheet, PDF (7/41 Pages) Fujitsu Component Limited. – 6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down

• Enlarged view of A
FB1 45
−IN1 ₄₄
DTC1-1 43
DTC1-3 42
Error
− ^Amp.1
+
+
1.26 V
SCP
− ^Comp.1
+
+
1.0 V
DTC1-4 41
FB2 38
−IN2 39
DTC2 40
RB1
+
−
SEL
Comp.
1.26 V
Error
− ^Amp.2
+
+
1.26 V
SCP
− ^Comp.2
+
+
1.0 V
VB1-1 PWM
(0.50 V) Comp.1-1
+
+
VB1-2 ^−
(0.55 V) PWM
Comp.1-2
+
−
PWM
Comp.1-3
−
−
+
VB1-4 _PWM
(0.02 V) _Comp.1-4
+
+
−
PWM
Comp.2-1
+
+
VB2 ^−
(0.04 V) PWM
Comp.2-2
+
−
CH1
Drive
1-1
Drive
1-2
Drive
1-3
Drive
1-4
CH2
Drive
2-1
Drive
2-2
FB3 37
−IN3 36
DTC3 35
Error
− ^Amp.3
+
+
1.26 V
SCP
− ^Comp.3
+
+
1.0 V
PWM
Comp.3
+
+
−
CH3
Drive
3
MB3827
53 VCC(O)1, 2
52 OUT1-1
54 VSS(O)1, 2
50 OUT1-2
47 RB1
49 OUT1-3
51 VG(O)1
48 OUT1-4
46 GND(O)1
55 OUT2-1
57 OUT2-2
58 VCC(O)3, 4
60 OUT3
59 VSS(O)3, 4, 5, 6
7