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DS7259-01 November 2013 www.richtek.com
RT7259
©
Copyright 2013 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
Output Voltage vs. Temperature
3.20
3.22
3.24
3.26
3.28
3.30
3.32
3.34
3.36
3.38
3.40
-50 -25 0 25 50 75 100 125
Temperature (°C)
Output Voltage (V)
V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 0A
Typical Operating Characteristics
Switching Frequency vs. Input Voltage
550
560
570
580
590
600
610
620
630
640
650
4 6 8 1012141618202224
Input Voltage (V)
Switching Frequency (kHz) 1
V
OUT
= 3.3V, I
OUT
= 0A
Output Voltage vs. Input Voltage
3.27
3.28
3.29
3.30
3.31
3.32
3.33
4 6 8 1012141618202224
Input Voltage (V)
Output Voltage (V)
V
IN
= 4.5V to 24V, V
OUT
= 3.3V, I
OUT
= 0A
Switching Frequency vs. Temperature
550
560
570
580
590
600
610
620
630
640
650
-50 -25 0 25 50 75 100 125
Temperature (°C)
Switching Frequency (kHz) 1
V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 0A
Efficiency vs. Load Current
0
10
20
30
40
50
60
70
80
90
100
0246810
Load Current (A)
Efficiency (%)
V
OUT
= 3.3V
V
IN
= 10V
V
IN
= 12V
V
IN
= 24V
Output Voltage vs. Load Current
3.25
3.26
3.27
3.28
3.29
3.30
3.31
3.32
3.33
3.34
3.35
012345678910
Load Current (A)
Output Voltage (V)
V
IN
= 10V
V
IN
= 12V
V
IN
= 24V
V
OUT
= 3.3V
