RT7250A/B
Quiescent Current vs. Temperature
0.90
0.85
0.80
0.75
0.70
0.65
Quiescent Current vs. Temperature
0.90
0.85
0.80
0.75
0.70
0.65
Quiescent Current (mA)
RT7250A, V
IN
= 12V, V
EN
= 3.3V, V
FB
= 0.85V
0.60
-50
-25
0
25
50
75
100
125
Quiescent Current (mA)
RT7250B, V
IN
= 12V, V
EN
= 3.3V, V
FB
= 0.85V
0.60
-50
-25
0
25
50
75
100
125
Temperature (°C)
Temperature (°C)
Current Limit vs. Input Voltage
3.8
3.6
3.4
Current Limit vs. Input Voltage
4.0
3.8
RT7250A
RT7250B
V
OUT
= 3.3V
3.2
3.0
2.8
2.6
2.4
2.2
2.0
4
6
8
10
12
14
16
18
Current Limit (A)
Current Limit (A)
V
OUT
= 3.3V
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
4
6
8
10
12
14
16
18
V
OUT
= 1.2V
V
OUT
= 1.2V
Input Voltage (V)
Input Voltage (V)
Current Limit vs. Temperature
3.9
3.6
Current Limit vs. Temperature
4.0
RT7250A
RT7250B
Current Limit (A)
1
3.0
2.7
2.4
2.1
1.8
1.5
-50
-25
0
25
Current Limit (A)
3.3
3.7
3.4
3.1
2.8
V
IN
= 12V, V
OUT
= 1.2V
50
75
100
125
2.5
-50
-25
0
25
V
IN
= 12V, V
OUT
= 1.2V
50
75
100
125
Temperature (°C)
Copyright
©
2012 Richtek Technology Corporation. All rights reserved.
Temperature (°C)
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
8
DS7250A/B-01 May 2012
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
