MB39C011APFT-G-BND-ERE1 Datasheet, PDF (44/53 Pages) Cypress Semiconductor – 2 ch DC/DC Converter IC with Synchronous Rectification

MB39C011A
(Continued)
CH1 Switching Wave Form
OUT-1
OUT-2
Ta   25˚C
V_IN  12 V
V_O1  1.8 V
fosc  500 kHz
5 V/div, 80 ns/div
CH1 Sudden Load Variation Waveform
CH2 Switching Wave Form
OUT-1
OUT-2
Ta   25˚C
V_IN  12 V
V_O2  3.3 V
fosc  500 kHz
5 V/div, 200 ns/div
CH2 Sudden Load Variation Waveform
IO1 2 A/div
VO1 500 mV/div
40 s/div
Ta   25˚C
V_IN  12 V
V_O1  1.8 V
I_O1  0 3 A
fosc  500 kHz
CTL Startup Waveform
CTL 5 V/div
IO2 2 A/div
VO2 500 mV/div
40 s/div
Ta   25˚C
V_IN  12 V
V_O2  3.3 V
I_O2  0 3 A
fosc  500 kHz
VO2 1 V/div
VO1 1 V/div
1 ms/div
Ta   25˚C
V_IN  12 V,
V_O1=1.8 V, I_O1  3 A,
V_O2  3.3 V, I_O2  3 A,
fosc  500 kHz
Soft start setting time  4.5 ms
Document Number: 002-08369 Rev. *A
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