MB39A103 Datasheet, PDF (26/33 Pages) List of Unclassifed Manufacturers – 4-Channel DC/DC Converter IC with Support for Low Voltage

MB39A103
■ REFERENCE DATA
TOTAL Efficiency vs. Input Voltage
100
TA = +25 °C
95
VO1 = 2.5 V, 250 mA
VO2 = 3.3 V, 500 mA
VO3-1 = 15 V, 10 mA
90
VO3-2 = 5 V, 50 mA
VO4-1 = 15 V, 10 mA
85
VO4-2 = 5 V, 50 mA
VO4-3 = −7.5 V, −5 mA
fOSC = 500 kHz
80
75
70
65
60
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Input voltage VIN (V)
Each CH Efficiency vs. Input Voltage
100
TA = +25 °C
95
90
85
CH1
80
75 _CH3
CH4
70
Note: Only concerned CH and CH4 (self-power
CH2
supply) are ON.
65
Include external SW Tr operating current
CH4 includes IC current consumption.
60
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Input voltage VIN (V)
(Continued)
26