MB39A102_05 Datasheet, PDF (25/32 Pages) Tyco Electronics – 4-ch DC/DC Converter IC

MB39A102
■ REFERENCE DATA
TOTAL Efficiency vs. Input Voltage
100
At VIN =: 2.59 V
95 _{CH1stops by short-circuit}
90 ^{detection operation}
85
80
Ta = +25 °C
VO1 = 2.5 V, 250 mA
VO2-1 = 15 V, 10 mA
VO2-2 = 5 V, 50 mA
VO2-3 = −7.5 V, −5 mA
VO3-1 = 15 V, 10 mA
VO3-2 = 5 V, 50 mA
VO4 = 3.3 V, 500 mA
fOSC = 500 kHz
75
70
65
60
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
Input voltage VIN (V)
Each CH Efficiency vs. Input Voltage
100
95
CH1
Ta = +25 °C
90
85
80
CH4
75
CH2
CH3
70
Note : Only concerned CH is ON
Include external SW Tr operating current
65
CH2 and CH3 are discontinuance.
60
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
Input voltage VIN (V)
(Continued)
25