RT7231/32/33/34
Switching Frequency vs. Input Voltage
Switching Frequency vs. Temperature
700
690
680
670
660
650
640
630
620
610
600
700
690
680
670
660
650
640
630
620
610
600
4
6
8
10
12
14
16
18
-50
-25
0
25
50
75
100
125
Input Voltage (V)
Temperature (°C)
Current Limit vs. Temperature
Current Limit vs. Input Voltage
7.0
6.5
6.0
5.5
5.0
4.5
4.0
7.0
6.5
6.0
5.5
5.0
4.5
4.0
VIN = 12V, VOUT = 1.05V
50 75 100 125
-50
-25
0
25
4
6
8
10
12
14
16
18
20
Temperature (°C)
Input Voltage (V)
Load Transient Response
Load Transient Response
RT7231/33
RT7231/32/33/34
VOUT
VOUT
(20mV/Div)
(5mV/Div)
IOUT
IOUT
(2A/Div)
(2A/Div)
VIN = 12V, VOUT = 1.05V, IOUT = 0A to 4A
VIN = 12V, VOUT = 1.05V, IOUT = 1A to 4A
Time (100μs/Div)
Time (100μs/Div)
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is a registered trademark of Richtek Technology Corporation.
DS7231/32/33/34-09 October 2016
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