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LTC3783

3783f

TYPICAL PERFOR A CE CHARACTERISTICS

VREF vs Temperature

VREF Line Regulation

VREF Load Regulation

IQ vs Temperature (PWMIN Low)

Dynamic IQ vs Frequency

RUN Thresholds vs VIN

RUN Thresholds vs Temperature

RT vs Frequency

TEMPERATURE (

°C)

–50

1.15

1.20

1.25

3783 G01

1.10

1.05

1.00

100

150

VIN (V)

1.229

1.231

3783 G02

1.227

1.225

1.235

1.233

IREF (mA)

1.231

1.233

1.235

3783 G03

1.229

1.227

1.225

VIN = 12V

VIN = 2.5V

TEMPERATURE (

°C)

–75

0.6

0.8

1.0

175

3783 G04

0.4

0.2

–25

125

1.2

1.4

1.6

IQ vs VIN (PWMIN Low)

VIN (V)

1.1

1.3

1.4

1.5

2.0

1.9

3783 G05

1.2

1.6

1.7

1.8

FREQUENCY (MHz)

0.5

3783 G06

1.5

CL = 3300pF

IQ(TOT) = 1.3mA + QG • f

VIN (V)

0.6

0.7

0.9

1.0

1.1

1.6

1.3

3783 G07

0.8

1.4

1.5

1.2

RUN HIGH

RUN LOW

TEMPERATURE (

°C)

–50

1.32

1.34

1.36

150

3783 G08

1.30

1.28

1.22

100

1.26

1.24

1.40

1.38

RUN HIGH

RUN LOW

FREQUENCY (kHz)

100

1000

10000

3783 G09

1000

TA = 25°C unless otherwise specified

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