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

MB3881
• Enlarged view of C
FB8 4
−IN8 5
+IN8 6
−IN8(C) 7
+IN8(C) 8
DTC8 ³
Error
− ^Amp.8
+
SCP
Comp.8
−
+
PWM
Comp.8
−
−
+
CH8
Drive
8
64 OUT8
2 RB8
1 _GND(O)-2
CTL
1, 3, 4
CTL-2 29
CTL-3 30
CTL-4 31
CS CTL
Logic
Buff
Buff ×0.8
CS ³²
VB ³⁶
2V
OSC
35 33 34
SYNC RT CT
CT1 _{1.73 V}
1.0 V
CT2 _{1.73 V}
CT
1.0 V
0.8 V
0.3 V
UVLO
SCP
26
CSCP
Power
Ref ON/OFF
CTL
2.5 V
24
25
VREF GND
27 VCC _{H : ON (Power/CH1, 3, 4, 8)}
L : OFF (Standby mode)
28 CTL-1 ^{(64 pin)}
8