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