BD9D321EFJ Datasheet, PDF (8/28 Pages) Rohm – 4.5V to 18V Input, 3.0A Integrated MOSFET 1ch Synchronous Buck DC/DC Converter

BD9D321EFJ
Typical Performance Curves (Continued)
EN 5V/div
VREG 5V/div
SW 10V/div
VOUT 1V/div
500µsec/div
Figure 12. Shutdown Waveform（EN=5V→0V）
(VIN=12V, VOUT=1.8V, IOUT=3A, Css=3300pF)
Datasheet
VIN 10V/div
VREG 5V/div
SW 10V/div
VOUT 1V/div
500µsec/div
Figure 13. Shutdown Waveform（VIN=EN）
(VIN=12V, VOUT=1.8V, IOUT=3A, Css=3300pF)
VOUT
50mV/div
VOUT
50mV/div
IOUT
2.0A/div
100µsec/div
Figure 14. Load Transient Response
(VIN=12V, VOUT=1.8V, IOUT=50mA to 3A)
IOUT
2.0A/div
100µsec/div
Figure 15. Load Transient Response
(VIN=12V, VOUT=1.8V, IOUT=1A to 3A)
www.rohm.co.jp
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111•15•001
8/25
TSZ02201-0J3J0AC00490-1-2
07.Aug.2013 Rev.001