RT6251A/B
Current Limit vs. Input Voltage
Current Limit vs. Temperature
9
8
7
6
5
4
3
9
8
7
6
5
4
3
4
6
8
10
12
14
16
18
-50
-25
0
25
50
75
100
125
Input Voltag (V)
Temperature (°C)
Input UVLO vs. Temperature
Enable Threshold vs. Temperature
4.5
4.4
4.3
4.2
4.1
4.0
3.9
1.35
1.30
1.25
1.20
1.15
1.10
1.05
Rising
Falling
Rising
Falling
VEN = 3.3V
100 125
VIN = 4.5V
100 125
-50
-25
0
25
50
75
-50
-25
0
25
50
75
Temperature (°C)
Temperature (°C)
Load Transient Response
Load Transient Response
RT6251A
RT6251B
VOUT
(1V/Div)
VOUT
(1V/Div)
IOUT
(1A/Div)
IOUT
(1A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 0 to 3A
VIN = 12V, VOUT = 3.3V, IOUT = 0 to 3A
Time (100μs/Div)
Time (100μs/Div)
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10
DS6251A/B-00 November 2015
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
