RT8299 Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT8299 Datasheet PDF : 15 Pages
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RT8299
Typical Operating Characteristics
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Output Current
VIN = 5V, VOUT = 3.3V
VIN = 12V, VOUT = 3.3V
VIN = 23V, VOUT = 3.3V
VIN = 5V, VOUT = 1.2V
VIN = 3V, VOUT = 1.2V
VIN = 12V, VOUT = 1.2V
0.5
1
1.5
2
2.5
3
Output Current (A)
Reference Voltage vs. Temperature
0.820
0.815
0.810
0.805
0.800
0.795
0.790
0.785
0.780
-50 -25
VIN = 12V, VOUT = 3.3V
0
25 50 75
Temperature (°C)
100 125
Output Voltage vs. Output Current
1.240
1.235
1.230
1.225
1.220
1.215
1.210
1.205
1.200
VOUT = 1.2V
VIN = 3V
VIN = 5VV
VIN = 4.5V
VIN = 12V
0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3
Output Current (A)
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
www.richtek.com
6
Reference Voltage vs. Input Voltage
0.820
0.815
0.810
0.805
0.800
0.795
0.790
0.785
0.780
VOUT = 3.3V, IOUT = 0A
4 6 8 10 12 14 16 18 20 22 24
Input Voltage (V)
Output Voltage vs. Output Current
3.360
3.355
3.350
3.345
3.340
3.335
3.330
3.325
3.320
VOUT = 3.3V
VIN = 5V
VIN = 12V
VIN = 23V
0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3
Output Current (A)
570
560
550
540
530
520
510
500
490
480
470
3
Frequency vs. Input Voltage
VOUT = 1.2V, IOUT = 0.5A
5 7 9 11 13 15 17 19 21 23
Input Voltage (V)
is a registered trademark of Richtek Technology Corporation.
DS8299-01 May 2012
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