Diodes AP5101 - Manual (Page 6)

AP5101
1.5A Step-Down Converter with 1.4MHz Switching
Frequency
AP5101
Document number: DS32258 Rev. 1 - 2
6 of 15
www.diodes.com
July 2010
© Diodes Incorporated
NEW PROD
UC
T
Typical Performance Characteristics
V
IN
=12V, V
OUT
=3.3V, L =4.7uH, C1=10uF, C2=22uF, Ta=+25
•
C, unless otherwise noted.
Steady State Test
I
OUT
=0.5A
Time- 1us/div
Load Transient Test
I
OUT
=0.2A to 0.8A. Step at 0.8A/us
Time- 100us/div
Start-up Through Enable (No Load)
Time- 50us/div
Start-up through Enable (I
OUT
=1A, resistive load)
Time- 50us/div
Shutdown Through Enable (No Load)
Time- 50us/div
Shutdown Through Enable (I
OUT
=1A, resistive)
Time- 50us/div