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TPS5403 데이터시트(PDF) 6 Page - Texas Instruments

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부품명 TPS5403
상세설명  4.5-V TO 28-V INPUT VOLTAGE, 3.3-V FIXED OUTPUT, 1.7-A OUTPUT CURRENT, NON-SYNCHRONOUS STEP-DOWN REGULATOR WITH INTEGRATED MOSFET
PDF  18 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

TPS5403 데이터시트(HTML) 6 Page - Texas Instruments

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background image
Vin
Vout
LX
IL
Vin
Vout
LX
IL
3.25
3.27
3.29
3.31
3.33
3.35
3.37
3.39
0
0.5
1
1.5
2
2.5
Iout (A)
Vin=5V
Vin=12V
Vin=28V
3.25
3.27
3.29
3.31
3.33
3.35
3.37
3.39
0
5
10
15
20
25
30
Vin (V)
Io=0.1A
Io=2.0A
76.00%
78.00%
80.00%
82.00%
84.00%
86.00%
88.00%
90.00%
0
0.5
1
1.5
2
2.5
Iout (A)
77.00%
78.00%
79.00%
80.00%
81.00%
82.00%
83.00%
84.00%
85.00%
86.00%
87.00%
0
0.01
0.02
0.03
0.04
0.05
0.06
Iout (A)
TPS5403
SLVSBK5 – SEPTEMBER 2012
www.ti.com
TYPICAL CHARACTERISTICS
TA = 25°C, VIN = 12 V, fSW = 120 kHz (unless otherwise noted)
Figure 1. Efficiency
Figure 2. Efficiency
VIN = 12 V, VOUT = 3.3 V
VIN = 12 V, VOUT = 3.3 V
Figure 3. Load Regulation
Figure 4. Line Regulation
VIN = 12 V, VOUT = 3.3 V
VOUT = 3.3 V
Figure 5. Startup
Figure 6. Steady State
2-A Preset Loading
IO = 2 A
6
Submit Documentation Feedback
Copyright © 2012, Texas Instruments Incorporated
Product Folder Links: TPS5403



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