RT2652
Typical Operating Characteristics
Efficiency vs. Output Current
Efficiency vs. Output Current
100
90
80
70
60
50
40
30
20
10
0
100
90
80
VIN = 5V, VOUT = 3.3V
VIN = 3.3V, VOUT = 1.2V
VIN = 5V, VOUT = 3.3V
VIN = 5V, VOUT = 1.2V
70
60
50
40
30
20
10
0
VIN = 5V, VOUT = 1.2V
VIN = 3.3V, VOUT = 1.2V
IOUT = 0 to 2A
1 10
IOUT = 0 to 2A
1.25 1.5 1.75 2
0
0.25 0.5
0.75
1
0.001
0.01
0.1
Output Current (A)
Output Current (A)
Output Voltage vs. Output Current
Output Voltage vs. Output Current
3.38
3.37
3.36
3.35
3.34
3.33
3.32
1.220
1.215
1.210
1.205
1.200
1.195
1.190
1.185
1.180
VIN = 5V
VIN = 3.3V
VOUT = 1.2V, IOUT = 0 to 2A
VIN = 5V, VOUT = 3.3V, IOUT = 0 to 2A
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
Output Current (A)
Output Current (A)
Switching Frequency vs. Temperature
Switching Frequency vs. Temperature
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
VIN = 3.3V
VIN = 5V
VOUT = 1.2V, IOUT = 0.6A
VIN = 5V, VOUT = 3.3V, IOUT = 0.6A
-50
-25
0
25
50
75
100
125
-50
-25
0
25
50
75
100
125
Temperature (°C)
Temperature (°C)
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is a registered trademark of Richtek Technology Corporation.
www.richtek.com
6
DS2652-00 November 2012
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
