Diodes AP3406A - Manual (Page 7)

Data Sheet
1.1MHz, 800mA SYNCHRONOUS DC-DC BUCK CONVERTER AP3406A
Feb. 2013 Rev. 1. 5 BCD Semiconductor Manufacturing Limited
7
Typical Performance Characteristics (Continued)
400ns/div
400ns/div 400ns/div
Figure 8. Light Load Operation Figure 9. Heavy Load Operation
(V
IN
=3.6V, V
OUT
=1.8V, I
OUT
=0mA)
(
V
IN
=3.6V, V
OUT
=1.8V, I
OUT
=800mA)
200 µs/div 400µs/div
Figure 10. Load Transient Figure 11. Start up from Shutdown
(V
IN
=3.6V, V
OUT
=1.8V, I
OUT
=0mA to 800mA) (V
IN
=3.6V, V
OUT
=1.8V, R
LOAD
=2.5Ω)
V
SW
2V/div
V
OUT
20mV/div
V
SW
2V/div
V
OUT
20mV/div
I
OUT
500mA/div
V
OUT
100mV/div
I
IN
500mA/div
V
OUT
2V/div
V
EN
2V/div