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Part Name
Description
MB3881 View Datasheet(PDF) - Fujitsu
Part Name
Description
Manufacturer
MB3881
8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down
Fujitsu
MB3881 Datasheet PDF : 40 Pages
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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
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