RT8280 View Datasheet(PDF) - Richtek Technology
Part Name
Description
Manufacturer
RT8280 Datasheet PDF : 16 Pages
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RT8280
Typical Operating Characteristics
100
90
80
70
60
50
40
30
20
10
0
0.0
Efficiency vs. Output Current
VIN = 12V, VOUT = 3.3V, fSW = 2.2MHz
0.5
1.0
1.5
2.0
2.5
3.0
Output Current (A)
Output Voltage vs. Output Current
5.30
5.25
5.20
5.15
5.10
5.05
VIN = 19V
5.00
4.95
VIN = 12V
4.90
4.85
4.80
4.75
4.70
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Output Current (A)
Reference Voltage vs. Temperature
0.810
0.805
0.800
0.795
0.790
0.785
0.780
-50 -25
VIN = 12V, IOUT = 0A
0
25 50 75
Temperature (°C)
100 125
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
www.richtek.com
6
100
90
80
70
60
50
40
30
20
10
0
0.0
Efficiency vs. Output Current
VIN = 12V
VIN = 19V
VOUT = 5V, fSW = 2.2MHz
0.5
1.0
1.5
2.0
2.5
3.0
Output Current (A)
Output Voltage vs. Input Voltage
3.35
3.34
3.33
3.32
3.31
3.30
IOUT = 0A
3.29
3
6
9
12 15 18 21 24
Input Voltage (V)
Quiescent Current vs. Temperature
0.90
0.85
0.80
0.75
0.70
0.65
0.60
-50 -25
VIN = 12V, RRT = Open
0
25 50 75
Temperature (°C)
100 125
is a registered trademark of Richtek Technology Corporation.
DS8280-02 March 2012
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