RT7251A/B
Quiescent Current vs. Temperature
0.90
Quiescent Current vs. Temperature
0.90
Quiescent Current (mA)
0.74
Quiescent Current (mA)
RT7251A, V
IN
= 12V, V
EN
= 3V, V
FB
= 0.9V
0.82
0.82
0.74
0.66
0.66
0.58
0.58
RT7251B, V
IN
= 12V, V
EN
= 3V, V
FB
= 0.9V
0.50
-50
-25
0
25
50
75
100
125
0.50
-50
-25
0
25
50
75
100
125
Temperature (°C)
Temperature (°C)
Shutdown Current vs. Input Voltage
1.90
Shutdown Current vs. Input Voltage
1.90
Shutdown Current (μA)1
1.74
Shutdown Current (μA)1
RT7251A, V
EN
= 0V
1.82
1.82
1.74
1.66
1.66
1.58
1.58
1.50
4
6.6
9.2
11.8
14.4
17
1.50
4
6.6
9.2
RT7251B, V
EN
= 0V
11.8
14.4
17
Input Voltage (V)
Input Voltage (V)
Shutdown Current vs. Temperature
8
8
7
Shutdown Current vs. Temperature
Shutdown Current (μA)1
7
6
5
4
3
2
1
Shutdown Current (μA)1
RT7251A, V
EN
= 0V
6
5
4
3
2
1
RT7251B, V
EN
= 0V
0
-50
-25
0
25
50
75
100
125
0
-50
-25
0
25
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
DS7251A/B-01 April 2012
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
