RT2652
V
IN
UVLO vs. Temperature
2.8
2.7
2.6
Enable Voltage vs. Temperature
1.5
1.4
V
IN
UVLO (V)
2.5
Enable Voltage (V)
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
Rising
2.4
2.3
2.2
2.1
2.0
1.9
1.8
-50
-25
0
25
50
75
100
125
Rising
Falling
Falling
-50
-25
0
25
50
75
100
125
Temperature (°C)
Temperature (°C)
Load Transient Response
Load Transient Response
V
OUT
(100mV/Div)
V
OUT
(100mV/Div)
I
OUT
(1A/Div)
V
IN
= 5V, V
OUT
= 1.2V, I
OUT
= 1A to 2A
I
OUT
(1A/Div)
V
IN
= 5V, V
OUT
= 3.3V, I
OUT
= 1A to 2A
Time (100μs/Div)
Time (100μs/Div)
Output Ripple Voltage
Output Ripple Voltage
V
LX
(5V/Div)
V
LX
(5V/Div)
V
OUT
(5mV/Div)
V
IN
= 5V, V
OUT
= 1.2V, I
OUT
= 2A
V
OUT
(5mV/Div)
V
IN
= 5V, V
OUT
= 3.3V, I
OUT
= 2A
Time (500ns/Div)
Time (500ns/Div)
Copyright
©
2012 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS2652-00
November 2012
www.richtek.com
7
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
