ap3406kt-adjtrg1 BCD Semiconductor Manufacturing Limited, ap3406kt-adjtrg1 Datasheet - Page 8

• Manufacturer Part Number: ap3406kt-adjtrg1
• Description: 1.1mhz, 650ma Synchronous Dc-dc Buck Converter
• Manufacturer: BCD Semiconductor Manufacturing Limited

500mA/div
Typical Performance Characteristics (Continued)
Jun. 2008 Rev. 1. 0
1.1MHz, 650mA SYNCHRONOUS DC-DC BUCK CONVERTER
1V/div
2V/div
V
V
OUT
SW
I
100
L
90
80
70
60
50
40
30
20
10
0
10
Fi
gure 14. Efficiency vs. Output Current
Figure 12. Short Circuit Protection
(V
IN
=3.6V, V
Output Current (mA)
OUT
4µs/div
100
=1.8V, no load)
L=2.2
L=4.7
L=10
µ
µ
µ
H
H
H
V
V
IN
OUT
=4.2V
=3.3V
1000
8
500mA/div
1V/div
2V/div
V
V
OUT
SW
I
100
L
90
80
70
60
50
40
30
20
10
0
10
Figure 15. Efficiency vs. Output Current
BCD Semiconductor Manufacturing Limited
Figure 13. Short Circuit Recovery
(V
Preliminary Datasheet
IN
=3.6V, V
Output Current (mA)
80µs/div
OUT
100
L=2.2
L=10
=1.8V, no load)
µ
µ
H
H
AP3406
V
V
IN
OUT
=3.6V
=1.8V
1000