RT8296A
Typical Operating Characteristics
Efficiency vs. Output Current
Reference Voltage vs. Input Voltage
100
0.820
0.815
0.810
0.805
0.800
0.795
0.790
0.785
0.780
90
80
70
60
50
40
30
20
10
0
VIN = 4.5V
VIN = 12V
VIN = 23V
VOUT = 3.3V
10
4
6
8
10 12 14 16 18 20 22 24
0.01
0.1
1
Input Voltage (V)
Output Current (A)
Reference Voltage vs. Temperature
Output Voltage vs. Output Current
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
0.820
0.815
0.810
0.805
0.800
0.795
0.790
0.785
0.780
VIN = 4.5V
VIN = 12V
VIN = 23V
VOUT = 3.3V
0.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
Output Current (A)
-50
-25
0
25
50
75
100
125
Temperature (°C)
Switching Frequency vs. Input Voltage
Switching Frequency vs. Temperature
400
380
360
340
320
300
280
260
240
400
390
380
370
360
350
340
330
320
310
300
VIN = 12V, VOUT = 3.3V, IOUT = 0.5A
VOUT = 3.3V, IOUT = 0.5A
4
6
8
10 12 14 16 18 20 22 24
-50
-25
0
25
50
75
100
125
Input Voltage (V)
Temperature (°C)
www.richtek.com
6
DS8296A-03 March 2011
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
