Diodes AP3581A/B/C - Manual (Page 9)

Data Sheet
Single Phase Synchronous Buck PWM Controller AP3581A/B/C
Oct. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
9
Typical Performance Characteristics (Continued)
Figure 14. Load Transient Response Figure 15. Load Transient Response
(V
IN
=12V, V
OUT
=1.2V, I
OUT
=0A to 10A) (V
IN
=12V, V
OUT
=1.2V, I
OUT
=0A to 20A)
Figure 16. UGATE Turn Off Waveforms Figure 17. UGATE Turn On Waveforms
(V
CC
=V
IN
=12V, V
OUT
=1.2V, I
OUT
=20A) (V
CC
=V
IN
=12V, V
OUT
=1.2V, I
OUT
=20A)
V
PHASE
5V/div
V
OUT_AC
200mV/div
I
OUT
5A/div
Time 10 µs/div
V
PHASE
5V/div
V
OUT_AC
200mV/div
I
OUT
10A/div
V
UGATE-PHASE
2V/div
V
PHASE
2V/div
V
LGATE
2V/div
Time 40ns/div
V
LGATE
2V/div
V
PHASE
2V/div
V
UGATE-PHASE
2V/div
Time 40ns/div
Time 10 µs/div