LM2575 datasheet(6/20 Pages) TI2

tên linh kiện	LM2575

Giải thích chi tiết về linh kiện	LM2575 1-A Simple Step-Down Switching Voltage Regulator

PDF	20 Pages

Scroll/Zoom	100%

nhà sản xuất	TI2 [Texas Instruments]

Trang chủ	https://www.ti.com

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6 / 20 page

-10

-8

-6

-4

-2

-50

-25

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

1.2

0.2

0.4

0.6

0.8

ISW – Switch Current – A

TJ = –40°C

TJ = 25°C

TJ = 125°C

VIN – Input Voltage – V

VOUT = 5 V

TJ = 25°C

Measured at GND pin

ILOAD = 1 A

ILOAD = 0.2 A

100

150

200

250

300

350

400

450

500

-50

-25

100

125

150

TJ – Junction Temperature – °C

VIN = 40 V

VIN = 12 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

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