RT8284N
Typical Operating Characteristics
Efficiency vs. Output Current
Reference Voltage vs. Input Voltage
100
0.940
0.935
0.930
0.925
0.920
0.915
0.910
0.905
0.900
90
80
70
60
50
40
30
20
10
0
VIN = 4.5V
VIN = 12V
VIN = 23V
VOUT = 3.3V
1.25 1.5 1.75
0
0.25 0.5
0.75
1
2
4
6
8
10 12 14 16 18 20 22 24
Input Voltage (V)
Output Current (A)
Reference Voltage vs. Temperature
Output Voltage vs. Output Current
0.940
0.935
0.930
0.925
0.920
0.915
0.910
0.905
0.900
3.36
3.35
3.34
3.33
3.32
3.31
3.30
3.29
3.28
3.27
3.26
3.25
3.24
VIN = 4.5V
VIN = 12V
VIN = 23V
VOUT = 3.3V
-50
-25
0
25
50
75
100
125
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
Temperature (°C)
Output Current (A)
Frequency vs. Input Voltage
Frequency vs. Temperature
380
370
360
350
340
330
320
310
300
380
370
360
350
340
330
320
310
300
VOUT = 3.3V, VIN = 12V, IOUT = 0A
VOUT = 3.3V, IOUT = 0A
-50
-25
0
25
50
75
100
125
4
6
8
10 12 14 16 18 20 22 24
Input Voltage (V)
Temperature (°C)
Copyright 2012 Richtek Technology Corporation. All rights reserved.
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is a registered trademark of Richtek Technology Corporation.
www.richtek.com
6
DS8284N-03 May 2012
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
