MB3883PFV FUJITSU [Fujitsu Component Limited.], MB3883PFV Datasheet - Page 8

• Manufacturer Part Number: MB3883PFV
• Description: 6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

8
MB3883
• Block diagram (Expansion 2/2)
CTL1, 2
C IN6
DTC5
CTL3
CTL4
CTL5
FB5
FB6
IN5
IN6
21
22
23
24
7
8
6
3
4
5
37.5 k
CS CTL
Logic
(VB : 2 V)
CS
15
1.25 V
1.0 V
1.26 V
62.5 k
0.9 V
1.8 V
1.1 V
1.8 V
1.1 V
0.8 V
0.3 V
SCP
Comp.6
Error
Amp.6
2 V
Error
Amp.5
SCP
Comp.5
VB
27
CT1
CT2
CT
RT
25
OSC
63 k
0.74 V
(VB : 2 V)
CT
26
VB1
37 k
0.9V
PWM
Comp.6
Power
Comp.
UVLO
CSCP
PWM
Comp.
5-1
PWM
Comp.
5-2
SCP
18
2.49 V
VREF
CH5
CH6
Ref
16
Drive
5-1
Drive
5-2
Drive
6
SW
Drive
ON/OFF
Power
CTL
GND
17
45
46
47
48
44 GND (O)
19 VCC
20
1 SWOUT
2 SWIN
OUT5-1
OUT5-2
OUT6
RB6
CTL
H : ON (Power/CH6)
L : OFF (Standby mode)
(48 Pin)