RT7251A/B
Frequency vs. Input Voltage
370
360
Frequency vs. Input Voltage
820
810
Frequency (kHz)1
Frequency (kHz)1
350
340
330
320
310
800
790
780
770
760
RT7251A, V
OUT
= 3.3V, I
OUT
= 0.3A
300
4
6.6
9.2
11.8
14.4
17
RT7251B, V
OUT
= 3.3V, I
OUT
= 0.3A
750
4
6.6
9.2
11.8
14.4
17
Input Voltage (V)
Input Voltage (V)
Frequency vs. Temperature
380
370
360
900
880
860
Frequency vs. Temperature
Frequency (kHz)1
Frequency (kHz)1
RT7251A, V
OUT
= 3.3V, I
OUT
= 0.3A
-50
-25
0
25
50
75
100
125
350
340
330
320
310
300
290
280
840
820
800
780
760
740
720
700
-50
-25
0
25
50
75
100
125
RT7251B, V
OUT
= 3.3V, I
OUT
= 0.3A
Temperature (°C)
Temperature (°C)
Quiescent Current vs. Input Voltage
0.80
0.80
Quiescent Current vs. Input Voltage
Quiescent Current (mA)
0.76
Quiescent Current (mA)
0.76
0.72
0.72
0.68
0.68
0.64
0.64
RT7251A, V
EN
= 3V, V
FB
= 0.9V
0.60
4
6.6
9.2
11.8
14.4
17
0.60
4
6.6
RT7251B, V
EN
= 3V, V
FB
= 0.9V
9.2
11.8
14.4
17
Input Voltage (V)
Copyright
©
2012 Richtek Technology Corporation. All rights reserved.
Input Voltage (V)
is a registered trademark of Richtek Technology Corporation.
DS7251A/B-01 April 2012
www.richtek.com
7
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
