Data Sheet
Single Phase Synchronous Buck PWM Controller With Reference Input AP3583/A
Typical Performance Characteristics (Continued)
VIN
10V/div
VOUT
0.5V/div
VLGATE
5V/div
IL
10A/div
Time 1ms/div
VIN
10V/div
VOUT
0.5V/div
VLGATE
5V/div
IL
5A/div
Time 200ms/div
Figure 10. Power-on Waveform
(VIN=12V, VOUT=1.2V, IOUT=0A)
Figure 11. Power-off Waveform
(VIN=12V, VOUT=1.2V, IOUT=0A)
VREFIN
5V/div
VOUT
0.5V/div
VPHASE
10V/div
IL
10A/div
Time 1ms/div
Figure 12. Enable Waveform
(VIN=12V, VOUT=1.2V, IOUT=0A)
VREFIN
5V/div
VOUT
0.5V/div
VPHASE
10V/div
IL
10A/div
Time 40µs/div
Figure 13. Disable Waveform
(VIN=12V, VOUT=1.2V, IOUT=20A)
Dec. 2011 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
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