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LT3487

3487f

TYPICAL PERFOR A CE CHARACTERISTICS

The

● denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 3.6V, VBAT = 3.6V, unless otherwise noted.

ELECTRICAL CHARACTERISTICS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Schottky DP Forward Drop

ISWP = 400mA

1045

Schottky DN Forward Drop

ISWN = 600mA

980

Disconnect PNP VCE

IVPOS = 50mA

205

Disconnect Current Limit

VCAP = 15V, VPOS = 0V

100

155

VCAP – VBAT to Disconnect

VBAT = 3.6V, VPOS = 0V, ICAP < 100µA

1.2

1.6

Disconnect Leakage

VBAT = 3.6V, CAP = 3.6V, VPOS = 0V

0.1

1.0

µA

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

Note 2: The LT3487E is guaranteed to meet speciﬁed performance from

0°C to 85°C. Speciﬁcations over the –40°C to 85°C operating range are

assured by design, characterization and correlation with statistical process

controls.

Shutdown Quiescent Current

Positive Output to Enable Inverter

FBP Voltage

Note 3: Guaranteed by design, not directly tested.

Note 4: Current ﬂows out of pin.

Note 5: Current limit guaranteed by design and/or correlation to static test.

Slope compensation reduces current limit at higher duty cycle.

TEMPERATURE (

°C)

–50

–25

3487 G01

100

125

TEMPERATURE (

°C)

–50

–25

100

3487 G02

100

125

TEMPERATURE (

°C)

–50

1.200

1.225

1.250

1.275

1.300

–25

3487 G03

100

125

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