RT6253A/B
Load Transient (Half Load to Full Load)
Over-Current Protection and UVP
V
V
= 12V, V
= 5V
OUT
OUT
IN
(2V/Div)
L = 4.7H
V
OUT
(100mV/Div)
V
V
= 12V, V
= 5V
OUT
SW
IN
(10V/Div)
I
= 1A to 3A, L = 4.7H
OUT
I
OUT
I
(1A/Div)
L
(2A/Div)
Time (400s/Div)
Time (20s/Div)
Short Circuit Protection
Short Circuit before Power On
V
OUT
V
= 12V, V
= 5V, L = 4.7H
OUT
V
= 12V, V
= 5V, L = 4.7H
OUT
IN
IN
(2V/Div)
V
OUT
(2V/Div)
V
IN
V
SW
(10V/Div)
(10V/Div)
V
SW
(10V/Div)
I
I
L
L
(2A/Div)
(2A/Div)
Time (10ms/Div)
Time (10ms/Div)
Copyright © 2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS6253A/B-01 September 2019
www.richtek.com
19
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
