LTC4260IGN datasheet(5/28 Pages) LINER

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LTC4260

4260f

ELECTRICAL CHARACTERISTICS

TYPICAL PERFOR A CE CHARACTERISTICS

IDD vs VDD

VDD (V)

2.0

85°C

25°C

2.5

4260 G01

1.5

1.0

100

3.0

–40°C

TEMPERATURE (°C)

–50

3.46

3.48

3.50

3.52

3.54

–25

4260 G02

100

TEMPERATURE (°C)

–50

0.34

0.35

0.36

0.37

0.38

0.39

–25

025

4260 G03

100

UV Low-High Threshold

vs Temperature

UV Hysteresis vs Temperature

ON, BD_PRST Low-High

Threshold vs Temperature

TEMPERATURE (°C)

–50

1.220

1.225

1.230

1.235

1.240

1.245

–25

025

4260 G04

100

ON, BD_PRST Hysteresis

vs Temperature

TEMPERATURE (°C)

–50

0.10

0.11

0.12

0.13

0.14

0.16

–25

025

4260 G05

100

0.15

TA = 25°C, VDD = 48V unless otherwise noted.

Note 3: Limits on maximum rating is defined as whichever limit occurs

first. An internal clamp limits the GATE pin to a minimum of 10V above

source. Driving this pin to voltages beyond the clamp may damage the

device.

Note 4: Guaranteed by design and not subject to test.

Note 5: Integral nonlinearity is defined as the deviation of a code from a

precise analog input voltage. Maximum specifications are limited by the

LSB step size and the single shot measurement. Typical specificatons are

measured from the 1/4, 1/2 and 3/4 areas of the quantization band.

Note 6: 1LSB step size specification is guaranteed by full-scale voltage

measurement and by design.

Note 7: Full-scale current sense specification corresponds to code 200.

Codes above 200 may be discarded by offset cancellation.

INT VCC vs ILOAD

ILOAD (mA)

–4

–8

4260 G18

–2

–6

–10

VDD = 48V

VDD = 12V

CAUTION: DRAWING CURRENT

FROM INTVCC INCREASES POWER

DISSIPATION AND TJ

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