MB3885 Datasheet, PDF (22/29 Pages) Fujitsu Component Limited. – 1-channel DC/DC Converter IC with Synchronous Rectifier

MB3885
Vin
VCC
10
IB
VB
5V
11
CVB
12 ^CB
I1
Q1
A
L1 VO1
Drive
1
OUT1 ^Crss1
Crss2
13
Ciss1 ^Q2
14 ^VS
I2
Drive
2
15 ^OUT2
16 ^PGND
Ciss2
T
VOUT1
VOUT2
I1
T1
Bias current
Ibias1 2 mA
I2
Bias current
Ibias2 2 mA
T2
t
Using the above formulas to determine power consumption, settings should be made with reference to the “Power
Consumption vs. Input Voltage” on the following page, as well as the “Power dissipation vs. Ambient Temperature.”
22