MB39C011APFT-G-BND-ERE1 Datasheet, PDF (43/53 Pages) Cypress Semiconductor – 2 ch DC/DC Converter IC with Synchronous Rectification

21. Reference Data
CH1
Conversion Efficiency vs. Load Current
100
95
90
85
80
75
Ta   25˚C
70
V_IN  12 V
V_O1  1.8 V
65
fosc  500 kHz
60
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Load Current I_O1 (A)
Output Voltage vs. Load Current
1.84
1.83
1.82
1.81
1.80
1.79
Ta   25˚C
V_IN  12 V
1.78
V_O1=1.8 V setting
1.77
fosc  500 kHz
1.76
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Load Current I_O1 (A)
MB39C011A
CH2
Conversion Efficiency vs. Load Current
100
95
90
85
80
75
Ta   25˚C
70
V_IN  12 V
V_O2  3.3 V
65
fosc  500 kHz
60
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Load Current I_O2 (A)
Output Voltage vs. Load Current
3.34
3.33
3.32
3.31
3.30
3.29
3.28
3.27
3.26
0.0
Ta   25˚C
V_IN  12 V
V_O2  3.3 V setting
fosc  500 kHz
0.5 1.0 1.5 2.0 2.5 3.0
Load Current I_O2 (A)
(Continued)
Document Number: 002-08369 Rev. *A
Page 43 of 53