LT3579 datasheet(6/40 Pages) LINER

6 / 40 page

LT3579/LT3579-1

35791f

TYPICAL PERFORMANCE CHARACTERISTICS

Active/Lockout Threshold

SHDN Pin Current

Internal UVLO

VIN OVLO

Fault Input Threshold

CLKOUT Rise Time at 1MHz

Gate Pin Current (VSS = 2.1V)

Gate Pin Current (VGATE = 5V)

250

200

150

100

CLKOUT CAPACITIVE LOAD (pF)

35791 G10

CLKOUT FALL TIME

CLKOUT RISE TIME

GATE PIN VOLTAGE (V)

600

700

800

900

550

400

300

200

100

1000

35791 G11

TA = –40°C

TA = 25°C

TA = 125°C

SS VOLTAGE (V)

600

700

800

900

500

400

300

200

100

1000

0.25

0.75

1.25

1.5

35791 G12

0.5

TEMPERATURE (°C)

–50

1.2

1.32

1.34

1.36

1.38

1.3

1.28

1.26

1.24

1.22

1.4

–25

100 125 150

35791 G13

SHDN RISING

SHDN FALLING

SHDN VOLTAGE (V)

0.25

0.75

1.25 1.5 1.75

35791 G14

0.5

TA = 125°C

TA = 25°C

TA = –40°C

SHDN VOLTAGE (V)

200

150

100

250

152025303540

35791 G15

TA = 125°C

TA = 25°C

TA = –40°C

TEMPERATURE (°C)

–50

2.1

2.45

2.35

2.4

2.25

2.3

2.15

2.2

2.5

–25

100 125 150

35791 G16

TEMPERATURE (°C)

–50

–25

100 125 150

35791 G17

TEMPERATURE (°C)

–50

0.75

0.5

0.25

1.25

–25

100 125 150

35791 G18

FAULT FALLING

FAULT RISING

TA = 25°C, unless otherwise noted.

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