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TPS54527 Datasheet(PDF) 10 Page - Texas Instruments

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Part # TPS54527
Description  4.5V to 18V Input, 5-A SYNCHRONOUS STEP DOWN CONVERTER
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54527 Datasheet(HTML) 10 Page - Texas Instruments

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background image
-50
0
50
100
150
T - Junction Temperature
C
J
- °
0.75
0.755
0.76
0.765
0.77
0.775
0.78
t - Time - 400 ns/div
Vo = 1.05 V
Vo (10 mV/div)
SW (5 V/div)
400
450
500
550
600
650
700
750
800
850
900
0
5
10
15
20
V - Input Voltage - V
I
V
= 5 V
O
V
= 1.5 V
O
I
= 1 A
O
V
= 3.3 V
O
V
= 2.5 V
O
V
= 1.8 V
O
V
= 1.2 V
O
V
= 1.05 V
O
0
1
2
3
4
5
I - Output Current - A
O
400
450
500
550
600
650
700
750
800
850
900
V
= 3.3 V
O
V
= 1.8 V
O
V
= 1.05 V
O
40
50
60
70
80
90
100
0
1
2
3
4
5
I - Output Current - A
O
V
= 3.3 V
O
V
= 1.8 V
O
V
= 2.5 V
O
EN (10 V/div)
t - Time - 1 ms/div
VREG5 (5 V/div)
Vout (0.5 V/div)
TPS54527
SLVSAY5C – JULY 2011 – REVISED MAY 2012
www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 7. START-UP WAVE FORM
Figure 8. EFFICIENCY vs OUTPUT CURRENT
Figure 9. SWITCHING FREQUENCY vs INPUT VOLTAGE
Figure 10. SWITCHING FREQUENCY vs
OUTPUT CURRENT
Figure 11. Vfb VOLTAGE vs JUNCTION TEMPERATURE
Figure 12. VOLTAGE RIPPLE AT OUTPUT (IO = 2 A)
10
Copyright © 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): TPS54527


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