RT7250A/B
Load Transient Response
RT7250A
Load Transient Response
RT7250B
V
OUT
(100mV/Div)
V
OUT
(50mV/Div)
I
OUT
(1A/Div)
V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 0.1A to 2A
I
OUT
(1A/Div)
V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 0.1A to 2A
Time (1ms/Div)
Time (1ms/Div)
Switching
RT7250A
RT7250B
Switching
V
SW
(10V/Div)
V
OUT
(5mV/Div)
V
SW
(10V/Div)
V
OUT
(5mV/Div)
I
L
(2A/Div)
V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 2A
I
L
(2A/Div)
V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 2A
Time (5μs/Div)
Time (500ns/Div)
Power On from EN
RT7250A
Power On from EN
RT7250B, V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 2A
V
EN
(5V/Div)
PGOOD
(5V/Div)
V
OUT
(5V/Div)
I
OUT
(2A/Div)
V
EN
(5V/Div)
PGOOD
(5V/Div)
V
OUT
(5V/Div)
I
OUT
(2A/Div)
Time (500μs/Div)
V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 2A
Time (500μs/Div)
Copyright
©
2012 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS7250A/B-01 May 2012
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
