Diodes AT5503 - Manual (Page 8)

Preliminary Datasheet
18V, 3A Synchronous DC-DC Buck Converter AT5503
Mar. 2013 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
8
Typical Performance Characteristics (Continued)
V
IN
=12V, V
OUT
=3.3V, L=4.7µH, T
A
=25°C, unless otherwise noted.
Figure 8. Load Transient Response (I
OUT
=1A to 2.5A) Figure 9. Power On from VIN (I
OUT
=2.5A)
Figure 10. Power Off from VIN (I
OUT
=2.5A) Figure 11. Power On from EN (I
OUT
=2.5A)
V
OUT-AC
(100mV/div)
I
OUT
(1A/div)
Time(100µs/div)
V
IN
(10V/div)
V
OUT
(2V/div)
I
L
(1A/div)
Time(3.20ms/div)
V
IN
(10V/div)
V
OUT
(2V/div)
I
L
(1A/div)
Time(3.20ms/div)
V
EN
(2V/div)
V
OUT
(2V/div)
I
L
(1A/div)
Time(3.20ms/div)