LT8580 Ver la hoja de datos (PDF) - Linear Technology

Número de pieza

componentes Descripción

Fabricante

LT8580

Boost/SEPIC/Inverting DC/DC Converter with 1A, 65V Switch, Soft-Start and Synchronization

Linear Technology 

LT8580

Typical Performance Characteristics TA = 25°C, unless otherwise specified

Oscillator Frequency During

Soft-Start

1

1/2

1/3

1/4

1/5

1/6

INVERTING

NONINVERTING

CONFIGURATIONS CONFIGURATIONS

0

0 0.2 0.4 0.6 0.8 1 1.2

FBX VOLTAGE (V)

8580 G08

Internal UVLO

2.7

2.6

2.5

2.4

2.3

2.2

2.1

–50 –25

0 25 50 75 100 125 150

TEMPERATURE (°C)

8580 G09

SHDN Pin Current

30

125°C

25°C

25

–40°C

20

15

10

5

0

0 0.25 0.5 0.75 1 1.25 1.5 1.75 2

SHDN VOLTAGE (V)

8580 G10

SHDN Pin Current

400

125°C

350

25°C

–40°C

300

250

200

150

100

50

0

0 5 10 15 20 25 30 35 40

SHDN VOLTAGE (V)

8580 G11

Active/Lockout Threshold

1.40

1.38

1.36

1.34

1.32

SHDN RISING

1.30

1.28

1.26

SHDN FALLING

1.24

1.22

1.20

–50 –25 0 25 50 75 100 125 150

TEMPERATURE (°C)

8580 G12

8580f

For more information www.linear.com/LT8580

5

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