RT6251A/B
Reference Voltage vs. Temperature
0.95
0.90
0.85
0.80
0.75
0.70
0.65
-50
-25
0
25
50
75
100
125
650
Switching Frequency vs. Temperature
Switching Frequency (kHz)
1
Reference Voltage (V)
600
550
500
450
400
R
OSC
= 100k
350
-50
-25
0
25
50
75
100
125
Temperature (°C)
Temperature (°C)
Shutdown Quiescent Current vs. Input Voltage
Shutdown Quiescent Current (μA)1
4.8
4.5
4.2
3.9
3.6
3.3
Shutdown Quiescent Current vs. Temperature
Shutdown Quiescent Current (μA)1
12
10
8
6
4
2
V
EN
= 0V
3.0
4
6
8
10
12
14
16
18
V
EN
= 0V
0
-50
-25
0
25
50
75
100
125
Input Voltage (V)
Temperature (°C)
Quiescent Current vs. Input Voltage
1400
1200
1000
800
1400
1200
1000
800
Quiescent Current vs. Temperature
Quiescent Current (μA)
Quiescent Current (μA)
RT6251A
RT6251A
RT6251B
600
400
RT6251B
600
400
V
FB
= 0.83V
200
4
6
8
10
12
14
16
18
200
-50
-25
0
25
50
75
V
FB
= 0.83V
100
125
Input Voltage (V)
Temperature (°C)
Copyright
©
2015 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS6251A/B-00 November 2015
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
