LM2575 datasheet(5/20 Pages) TI2

5 / 20 page

0.25

0.5

0.75

1.25

1.5

1.75

-40 -25 -10

95 110 125

TJ – Junction Temperature – °C

= 5%

= 0.2

OUT

IND

= 1 A

LOAD

= 200 mA

LOAD

0.5

1.5

2.5

-50

-25

100

125

150

TJ – Junction Temperature – °C

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

1.2

1.4

VIN – Input Voltage – V

ILOAD = 200 mA

TJ = 25°C

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

-50

-25

100

125

150

TA – Temperature – °C

VIN = 20 V

ILOAD = 200 mA

TJ = 25°C

LM2575

www.ti.com

SLVS569F – JANUARY 2005 – REVISED AUGUST 2015

Electrical Characteristics (continued)

ILOAD = 200 mA, VIN = 12 V (unless otherwise noted) (see Figure 16)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

25°C

2.2

1.4

VIH

OFF (VOUT = 0 V)

Full range

2.4

ON/OFF logic input level

25°C

1.2

VIL

ON (VOUT = nominal voltage)

Full range

0.8

IIH

OFF (ON/OFF pin = 5 V)

ON/OFF input current

25°C

μA

IIL

ON (ON/OFF pin = 0 V)

6.6 Typical Characteristics

Figure 1. Normalized Output Voltage

Figure 2. Line Regulation

Figure 4. Current Limit

Figure 3. Dropout Voltage

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