3724MPFE datasheet(2/24 Pages) LINER

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LT3724

3724fc

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Input Supply Voltage (VIN)......................... 65V to –0.3V

Boosted Supply Voltage (BOOST) .............. 80V to –0.3V

Switch Voltage (SW)(Note 8) ........................ 65V to –1V

Differential Boost Voltage

(BOOST to SW)...................................... 24V to –0.3V

Bias Supply Voltage (VCC).......................... 24V to –0.3V

SENSE+ and SENSE– Voltages ................... 40V to –0.3V

(SENSE+ to SENSE–)................................... 1V to –1V

BURST_EN Voltage .................................... 24V to –0.3V

VC, VFB, CSS, and SHDN Voltages................. 5V to –0.3V

CSS and SHDN Pin Currents.....................................1mA

Operating Junction Temperature Range (Notes 2, 3)

LT3724E............................................. –40°C to 125°C

LT3724I.............................................. –40°C to 125°C

LT3724MP.......................................... –55°C to 125°C

Storage Temperature.............................. –65°C to 150°C

Lead Temperature (Soldering, 10 sec) .................. 300°C

(Note 1)

FE PACKAGE

16-LEAD PLASTIC TSSOP

TOP VIEW

VIN

SHDN

CSS

BURST_EN

VFB

SGND

BOOST

VCC

PGND

SENSE+

SENSE–

TJMAX = 125°C, θJA = 40°C/W, θJC = 10°C/W

EXPOSED PAD IS SGND (PIN 17), MUST BE SOLDERED TO PCB

ELECTRICAL CHARACTERISTICS

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3724EFE#PBF

LT3724EFE#TRPBF

3724EFE

16-Lead Plastic TSSOP

–40°C to 125°C

LT3724IFE#PBF

LT3724IFE#TRPBF

3724IFE

16-Lead Plastic TSSOP

–40°C to 125°C

LEAD BASED FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3724MPFE

LT3724MPFE#TR

3724MPFE

16-Lead Plastic TSSOP

–55°C to 125°C

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

Consult LTC Marketing for information on non-standard lead based ﬁnish parts.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel speciﬁcations, go to: http://www.linear.com/tapeandreel/

The

l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 20V, VCC = BOOST = BURST_EN = 10V, SHDN = 2V,

SENSE– = SENSE+ = 10V, SGND = PGND = SW = 0V, unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN

Operating Voltage Range (Note 4)

Minimum Start Voltage

UVLO Threshold (Falling)

UVLO Threshold Hysteresis

●

7.5

3.65

3.8

670

3.95

IVIN

VIN Supply Current

VIN Burst Mode Current

VIN Shutdown Current

VCC > 9V

VBURST_EN = 0V, VFB = 1.35V

VSHDN = 0V

μA

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