AP3211H Datasheet, PDF (7/11 Pages) BCD Semiconductor Manufacturing Limited – 1.4MHz, 1.5A ASYNCHRONOUS DC-DC BUCK CONVERTER

Preliminary Datasheet
1.4MHz, 1.5A ASYNCHRONOUS DC-DC BUCK CONVERTER AP3211H
Typical Performance Characteristics (Continued)
T_A=25ºC, V_IN=12V, V_OUT=3.3V, unless otherwise noted.
V_{OUT_AC}
(10mV/div)
I_L
(500mA/div)
V_SW
(5V/div)
V_{OUT_AC}
(100mV/div)
I_OUT
(500mA/div)
Time (400ns/div)
Figure 8. Output Ripple (I_OUT=1.5A)
Time (200μs/div)
Figure 9. Load Transient (I_OUT=1A to 1.5A)
V_EN
(5V/div)
V_OUT
(2V/div)
V_SW
(5V/div)
V_EN
(5V/div)
V_OUT
(2V/div)
V_SW
(5V/div)
Time (100μs/div)
Figure 10. Enable Turn on Characteristic
Time (40μs/div)
Figure 11. Enable Turn off Characteristic
Aug. 2012 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
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