RT2518
Load Transient Response
Line Transient Response
V
OUT
(10mV/Div)
V
IN
(1V/Div)
I
OUT
(1A/Div)
V
IN
= 3.3V, V
OUT
= 1.8V, I
OUT
= 0 to 1A
V
OUT
(10mV/Div)
V
IN
= 3.3V to 4.3V, V
OUT
= 1.8V, I
OUT
= 1A
Time (100μs/Div)
Time (500μs/Div)
Power On from EN
Power Off from EN
V
EN
(2V/Div)
V
OUT
(1V/Div)
I
IN
(1A/Div)
V
EN
(2V/Div)
V
OUT
(1V/Div)
I
IN
(1A/Div)
V
IN
= 2.5V, V
OUT
= 1.5V, I
OUT
= 1.2A
V
IN
= 2.5V, V
OUT
= 1.5V, I
OUT
= 1.2A
Time (100μs/Div)
Time (100μs/Div)
V
OUT
Start Up with EN
0
PSRR vs. Frequency
-10
-20
V
OUT
= 5V
I
OUT
= 300mA
I
OUT
= 1mA
I
OUT
= 100mA
-40
-50
-60
-70
V
OUT
= 2.5V
PSRR (dB)
-30
V
OUT
(1V/Div)
V
EN
(2V/Div)
Time (100μs/Div)
V
OUT
= 1.2V
V
IN
= 5.5V
-80
100
1000
V
IN
= 3.25V to 3.35V, V
OUT
= 2.5V
10000
100000
1000000
Frequency (Hz)
Copyright
©
2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
8
DS2518-05 August 2017
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
