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LM2575 数据表(PDF) 6 Page - Texas Instruments

部件名 LM2575
功能描述  LM2575 1-A Simple Step-Down Switching Voltage Regulator
PDF  20 Pages
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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

LM2575 数据表(HTML) 6 Page - Texas Instruments

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background image
-10
-8
-6
-4
-2
0
2
4
6
8
10
-50
-25
0
25
50
75
100
125
150
TJ – Junction Temperature – °C
VIN = 40 V
VIN = 12 V
Normalized at TJ = 25°C
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
0
0.2
0.4
0.6
0.8
1
ISW – Switch Current – A
TJ = –40°C
TJ = 25°C
TJ = 125°C
0
2
4
6
8
10
12
14
16
18
20
0
10
20
30
40
50
60
VIN – Input Voltage – V
VOUT = 5 V
TJ = 25°C
Measured at GND pin
ILOAD = 1 A
ILOAD = 0.2 A
0
50
100
150
200
250
300
350
400
450
500
-50
-25
0
25
50
75
100
125
150
TJ – Junction Temperature – °C
VIN = 40 V
VIN = 12 V
V
= 5 V
ON/OFF
LM2575
SLVS569F – JANUARY 2005 – REVISED AUGUST 2015
www.ti.com
Typical Characteristics (continued)
Figure 5. Quiescent Current
Figure 6. Standby Quiescent Current
Figure 8. Switch Saturation Voltage
Figure 7. Oscillator Frequency
Figure 10. FEEDBACK Current
Figure 9. Minimum Operating Voltage
6
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Copyright © 2005–2015, Texas Instruments Incorporated
Product Folder Links: LM2575



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