Preliminary datasheet, Dual 1a, 1.5mh, Synchronous step-down dc-dc converter ap3427m – Diodes AP3427M User Manual
Page 7: Typical performance characteristics (continued)
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Preliminary Datasheet
Dual 1A, 1.5MH
Z
Synchronous Step-down DC-DC Converter AP3427M
Mar. 2013 Rev. 1.0 BCD Semiconductor Manufacturing Limited
7
V
OUT_AC
10mV/div
V
SW
2V/div
I
L
1A/div
I
L
1A/div
V
EN
5V/div
V
SW
5V/div
V
OUT
1V/div
I
L
1A/div
V
SW
5V/div
V
OUT
1V/div
I
L
1A/div
V
OUT_AC
10mV/div
V
EN
5V/div
Typical Performance Characteristics (Continued)
Figure 8. Output Ripple (V
OUT
=1.2V , I
OUT
=1A) Figure 9. Output Ripple (V
OUT
=3.3V , I
OUT
=1A)
Figure 10. Enable Turn On (I
OUT
=1A) Figure 11. Enable Turn Off (I
OUT
=1A)
V
SW
2V/div
Time (400ns/div)
Time (400ns/div)
Time (400
μs/div)
Time (200
μs/div)
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