RT8072
8
DS8072-02 August 2014www.richtek.com
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Copyright 2014 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
Frequency vs. Input Voltage
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
2.5 3 3.5 4 4.5 5 5.5
Input Voltage (V)
Frequency (MHz) 1
V
OUT
= 1.1V, I
OUT
= 1.3A
Switching Frequency vs. Temperature
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
-50 -25 0 25 50 75 100 125
Temperature (°C)
Switching Frequency (MHz) 1
V
OUT
= 1.1V, I
OUT
= 1.3A
Output Voltage vs. Temperature
1.06
1.07
1.08
1.09
1.10
1.11
1.12
1.13
1.14
1.15
1.16
-50 -25 0 25 50 75 100 125
Temperature (°C)
Output Voltage (V)
V
IN
= 5V, V
OUT
= 1.1V, I
OUT
= 1.5A
Output Voltage vs. Input Voltage
1.00
1.02
1.04
1.06
1.08
1.10
1.12
1.14
1.16
1.18
1.20
2.5 3 3.5 4 4.5 5 5.5
Input Voltage (V)
Output Voltage (V)
V
OUT
= 1.1V
Output Voltage vs. Output Current
1.02
1.04
1.06
1.08
1.10
1.12
1.14
1.16
1.18
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Output Current (A)
Output Voltage (V)
V
OUT
= 1.1V
V
IN
= 5V
V
IN
= 4V
Efficiency vs. Load Current
0
10
20
30
40
50
60
70
80
90
100
0.001 0.01 0.1 1 10
Load Current (A)
Efficiency (%)
V
OUT
= 1.1V
V
IN
= 3.3V
V
IN
= 4V
V
IN
= 5V
Typical Operating Characteristics
