MB39A102_05 Datasheet, PDF (26/32 Pages) Tyco Electronics – 4-ch DC/DC Converter IC

MB39A102
Conversion Efficiency vs. Load Current (CH1)
100
95
90
85
80
75
70
65
60
0
CH2 to CH4 : OFF
IO1 ≤ 20 mA : discontinuance mode
Ta = +25 °C
VIN = 3.6 V
50
100
150
200
250
300
Load current IO1 (mA)
Conversion Efficiency vs. Load Current (CH2, CH3)
100
95
90
85
80
75
70
65
60
0
CH2
CH3
Ta = +25 °C
VIN = 3.6 V
VO2-1 = 10 mA
VO2-3 = −5 mA
VO3-1 = 10 mA
CH1, 3, 4 : OFF
CH1, 2, 4 : OFF
Note : CH2 and CH3 are discontinuance mode.
10
20
30
40
50
Load current lO2-2, IO3-2 (mA)
(Continued)
26