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TPS54494PWP Datasheet(PDF) 11 Page - Texas Instruments

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Part # TPS54494PWP
Description  4A/2A Dual Channel Synchronous Step-Down Switcher with Integrated FET
Download  23 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54494PWP Datasheet(HTML) 11 Page - Texas Instruments

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400
450
500
550
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0
5
10
15
20
Input Voltage (V)
VOUT2 = 1.5 V
IOUT2 = 1 A
G017
0
100
200
300
400
500
600
700
800
900
0.01
0.1
1
10
Output Current (A)
VOUT1 = 3.3 V
VIN1, VIN2 = 12 V
G018
0
10
20
30
40
50
60
70
80
90
100
0.001
0.01
0.1
1
10
Output Current (A)
VIN = 5 V
VIN = 12 V
VIN = 18 V
G015
400
450
500
550
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650
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750
800
0
5
10
15
20
Input Voltage (V)
VOUT1 = 3.3 V
IOUT1 = 1 A
G016
0
10
20
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40
50
60
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100
0.001
0.01
0.1
1
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Output Current (A)
VIN = 6 V
VIN = 12 V
VIN = 18 V
G013
0
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100
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
Output Current (A)
VIN = 5 V
VIN = 12 V
VIN = 18 V
G014
TPS54494
www.ti.com
SLVSBH1 – JUNE 2012
TYPICAL CHARACTERISTICS (continued)
One output is enabled unless otherwise noted. VIN = VIN1 or VIN2. VIN = 12 V, TA = 25°C (unless otherwise noted).
Figure 13. VO1=1.5V, Efficiency vs Output Current
Figure 14. VO1=3.3V, Efficiency vs Output Current
Figure 15. VO2=1.5V, Efficiency vs Output Current
Figure 16. VO1=3.3V, SW-frequency vs Input Voltage
Figure 17. VO2=1.5V, SW-frequency vs Input Voltage
Figure 18. VO1=3.3V, SW-frequency vs Output Current
Copyright © 2012, Texas Instruments Incorporated
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