mb3881pff Fujitsu Microelectronics, Inc., mb3881pff Datasheet - Page 37

• Manufacturer Part Number: mb3881pff
• Description: 8-ch Dc/dc Converter Ic With Synchronous Rectifier For Voltage Step-up And Step-down
• Manufacturer: Fujitsu Microelectronics, Inc.

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0
Conversion efficiency vs. load current
50 100 150 200 250 300 350 400 450 500
Load current IL (mA)
(CH3 : Zeta method )
Ta
5 V ouputt
VCC (O)
VSS (O)
25 C
Vin 1.8 V
Vin 2.2 V
To OUT3
Vin
Vin
Vin
Vin
Vin
2.5 V
3 V
3.6 V
4.2 V
6 V
R3
75
C17
3900 pF
Vin
Iin
C39
1 F
Q3
To VDD (O)
6.8 H
C11
2.2 F
L5
=
V
Vin
O
D3
3
C
MB3881
15 H
2.2 F
Iin
IL
L6
C3
V
(5.0 V)
100 (%)
O
3
IL
37