RT8024
Typical Operating Characteristics
Efficiency vs. Load Current
100
90
Reference Voltage vs. Input Voltage
0.6010
V
IN
= 3.3V
Reference Voltage (V)
0.6005
Efficiency (%)
80
70
60
50
40
0.01
V
IN
= 5V
0.6000
0.5995
V
OUT
= 1.2V
0.11
0.21
0.31
0.41
0.51
0.61
V
OUT
= 1.2V
0.5990
2.5
3
3.5
4
4.5
5
5.5
Load Current (A)
Input Voltage (V)
Output Voltage vs. Load Current
1.220
1.215
2.5
Current Limit vs. Input Voltage
Output Voltage (V)
1.210
1.205
1.200
1.195
1.190
1.185
1.180
0.01
0.11
0.21
0.31
2.0
V
IN
= 5V
Current Limit (A)
V
IN
= 3.3V
1.5
V
IN
= 2.5V
1.0
0.5
V
OUT
= 1.2V
0.0
V
OUT
= 1.2V
2.5
3
3.5
4
4.5
5
5.5
0.41
0.51
0.61
Load Current (A)
Input Voltage (V)
Frequency vs. Input Voltage
1.50
1.48
1.50
1.48
Frequency vs. Temperature
V
OUT
= 1.2V, I
OUT
= 300mA
Frequency (MHz)
1.45
1.43
1.40
1.38
1.35
2.5
3
3.5
Frequency (MHz)
V
OUT
= 1.2V, I
OUT
= 300mA
4
4.5
5
5.5
1.45
1.43
1.40
1.38
1.35
1.33
1.30
-50
-25
0
25
50
75
100
125
Input Voltage (V)
Temperature
(°C)
www.richtek.com
6
DS8024-02 March 2011
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
