RT6222C/D
Switching Frequency vs. Temperature
1600
LS Switch Valley Current Limit vs. Temperature
LS Switch Valley Current Limit (A)1
4.0
Switching Frequency (kHz)
1
1500
3.6
1400
3.2
1300
2.8
1200
2.4
V
IN
= 12V, V
OUT
= 1V, I
OUT
= 1A
1100
-50
-25
0
25
50
75
100
125
2.0
-50
-25
0
25
50
75
100
125
Temperature (°C)
Temperature (°C)
Load Transient Response
V
IN
= 12V, V
OUT
= 1V, I
OUT
= 0A to 2A
Load Transient Response
V
IN
= 12V, V
OUT
= 1V, I
OUT
= 1A to 2A
V
OUT
(20mV/Div)
V
OUT
(20mV/Div)
I
OUT
(1A/Div)
Time (100μs/Div)
I
OUT
(1A/Div)
Time (100μs/Div)
Output Ripple Voltage
V
IN
= 12V, V
OUT
= 1V, I
OUT
= 1A
Output Ripple Voltage
V
IN
= 12V, V
OUT
= 1V, I
OUT
= 2A
V
OUT
(20mV/Div)
V
OUT
(20mV/Div)
V
SW
(5V/Div)
Time (2μs/Div)
V
SW
(5V/Div)
Time (2μs/Div)
Copyright
©
2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
8
DS6222C/D-02 August 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
