RT6257A/B
Output Voltage vs. Temperature
1.06
5.150
5.125
1.04
5.100
Output Voltage vs. Temperature
Output Voltage (V)
Output Voltage (V)
5.075
5.050
5.025
5.000
4.975
4.950
4.925
4.900
4.875
4.850
-50
-25
0
25
1.02
1.00
0.98
V
IN
= 18V
V
IN
= 12V
V
IN
= 4.5V
V
OUT
= 1V, I
OUT
= 1.5A
V
IN
=12V
V
IN
= 18V
V
IN
= 8.5V
V
OUT
= 5V, I
OUT
= 1.8A
50
75
100
125
0.96
-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 6A, L = 1.2μH
Output Ripple Voltage
V
IN
= 12V, V
OUT
= 1V,
I
OUT
= 6A, L = 1.2μH
V
OUT
(20mV/Div)
V
OUT
(20mV/Div)
I
OUT
(2A/Div)
Time (100μs/Div)
V
LX
(5V/Div)
Time (2μs/Div)
Power On from EN
V
OUT
(1V/Div)
V
EN
(2V/Div)
V
LX
(10V/Div)
V
OUT
(1V/Div)
V
EN
(2V/Div)
V
LX
(10V/Div)
Power Off from EN
V
IN
= 12V, V
OUT
= 1V,
I
OUT
= 6A, L = 1.2μH
I
OUT
(5A/Div)
V
IN
= 12V, V
OUT
= 1V,
I
OUT
= 6A, L = 1.2μH
I
OUT
(5A/Div)
Time (200μs/Div)
Time (5ms/Div)
Copyright
©
2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS6257A/B-03 October
2018
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
