RT8073
Currrent Limit vs. Temperature
12.0
11.5
11.0
9.5
10.0
Currrent Limit vs. Input Voltage
Currrent Limit (A)
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
-50
-25
0
25
50
75
100
125
Currrent Limit (A)
9.0
8.5
8.0
7.5
V
IN
= 5V, V
OUT
= 1.1V
7.0
2.5
3
3.5
4
4.5
V
OUT
= 1.1V
5
5.5
Temperature (°C)
Input Voltage (V)
Load Transient Response
V
OUT
(100mV/Div)
V
OUT
(100mV/Div)
Load Transient Response
I
OUT
(2A/Div)
V
IN
= 5V, V
OUT
= 1.1V, I
OUT
= 0A to 6A
I
OUT
(2A/Div)
V
IN
= 5V, V
OUT
= 1.1V, I
OUT
= 0A to 3A
Time (100μs/Div)
Time (100μs/Div)
Output Ripple Voltage
Output Ripple Voltage
V
OUT
(20mV/Div)
V
OUT
(20mV/Div)
V
LX
(5V/Div)
V
IN
= 5V, V
OUT
= 1.1V, I
OUT
= 6A
V
LX
(5V/Div)
V
IN
= 5V, V
OUT
= 3.3V, I
OUT
= 6A
Time (250ns/Div)
Time (250ns/Div)
Copyright
©
2012 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS8073-01
November 2012
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
