RT8032
Input Current Limit vs input Voltage
0.60
0.55
Input Current limit vs Temperature
0.60
0.55
Input Current limit (A)
I
OUT
= 1A, R
LIM
= 24kΩ
Input Current limit (A)
0.50
0.45
0.40
0.35
0.30
4
4.25
4.5
4.75
5
5.25
5.5
0.50
0.45
0.40
0.35
V
IN
= 5V, I
OUT
= 1A, R
LIM
= 24kΩ
0.30
-50
-25
0
25
50
75
100
125
Input Voltage (V)
Temperature
(°C)
Input Current Limit
Switching
V
OUT
(5mV/Div)
V
OUT
(2V/Div)
V
SW
(5V/Div)
I
OUT
(1A/Div)
I
IN
(500mA/Div)
V
IN
= 5V, V
OUT
= 3.6V, I
OUT
= 0A to 1.5A
I
L
(500mA/Div)
V
IN
= 5V, V
OUT
= 3.6V, I
OUT
= 0.5A
Time (2.5ms/Div)
Time (500ns/Div)
Power On from V
IN
Power Off from V
IN
V
IN
(5V/Div)
V
OUT
(5V/Div)
I
IN
(500mA/Div)
I
OUT
(500mA/Div)
I
OUT
= 0.33A
V
IN
(5V/Div)
V
OUT
(5V/Div)
I
IN
(500mA/Div)
I
OUT
(500mA/Div)
I
OUT
= 0.33A
Time (10ms/Div)
Time (10ms/Div)
DS8032-02 March 2011
www.richtek.com
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