LT1683 datasheet(4/24 Pages) LINER

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LT1683

1683f

TYPICAL PERFOR A CE CHARACTERISTICS

Feedback Voltage and Input

Current vs Temperature

Negative Feedback Voltage and

Input Current vs Temperature

Feedback Overvoltage Shutdown

vs Temperature

Error Amp Transconductance vs

Temperature

Error Amp Output Current vs

Feedback Pin Voltage from Nominal

VC Pin Threshold and Clamp

Voltage vs Temperature

CS Pin Trip and CS Fault Voltage

vs Temperature

SHDN Pin On and Off Thresholds

vs Temperature

TEMPERATURE (

°C)

–50 –25

100 125 150

1683 G01

1.260

1.258

1.256

1.254

1.252

1.250

1.248

1.246

1.244

1.242

1.240

750

700

650

600

550

500

450

400

350

300

250

TEMPERATURE (

°C)

–50 –25

100 125 150

1683 G02

2.480

2.485

2.490

2.495

2.500

2.505

2.510

2.515

2.520

3.2

3.0

2.8

2.6

2.4

2.2

2.0

1.8

1.6

TEMPERATURE (

°C)

–50 –25

100 125 150

1683 G03

1.70

1.65

1.60

1.55

1.50

1.45

1.40

1.35

1.30

1.25

1.20

TEMPERATURE (

°C)

–50 –25

100 125 150

1683 G04

2000

1900

1800

1700

1600

1500

1400

1300

1200

1100

1000

FEEDBACK PIN VOLTAGE FROM NOMINAL (mV)

–400 –300 –200 –100

100 200 300 400

1683 G05

500

400

300

200

100

–100

–200

–300

–400

–500

–40

°C

125

°C

TEMPERATURE (

°C)

–50 –25

100 125 150

1683 G06

1.4

1.2

1.0

0.8

0.6

0.4

0.2

TEMPERATURE (

°C)

–50 –25

100 125 150

1683 G07

240

220

200

180

160

140

120

100

FAULT

TRIP

TEMPERATURE (

°C)

–50 –25

100 125 150

1683 G08

1.50

1.45

1.40

1.35

1.30

1.25

OFF

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