MB39A115 Datasheet, PDF (34/42 Pages) Fujitsu Component Limited. – 5 ch DC/DC Converter IC with Synchronous Rectification

MB39A115
■ REFERENCE DATA
TOTAL Efficiency vs. Input Voltage
100
95
90
85
80
75
70
5.0
100
Ta = +25 °C
Vo1 = 1.2 V, 600 mA
Vo2 = 2.5 V, 400 mA
Vo3 = 3.3 V, 200 mA
Vo4 = 5.0 V, 100 mA
Vo5-1 = 15 V, 40 mA
Vo5-3 = −15 V, −10 mA
fosc = 1 MHz setting
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
Input Voltage VIN (V)
Each Channel Efficiency vs. Input Voltage
95
90
85
80
75
70
5.0
ch.4
ch.3
ch.2
ch.5
Ta = +25 °C
Vo1 = 1.2 V, 600 mA
Vo2 = 2.5 V, 400 mA
Vo3 = 3.3 V, 200 mA
Vo4 = 5.0 V, 100 mA
Vo5-1 = 15 V, 40 mA
Vo5-3 = −15 V, −10 mA
fosc = 1 MHz setting
ch.1
Note : Only concerned channel is ON.
Including external SW Tr driving current
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
Input Voltage VIN (V)
(Continued)
34