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AP3583A

Single Phase Synchronous Buck PWM Controller With Reference Input

BCD Semiconductor 

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

8

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