LT4180IGN-PBF datasheet(2/16 Pages) LINER

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LT4180

4180fp

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

VIN ............................................................. –0.3V to 52V

SENSE.......................................................VIN – 0.3V to VIN

INTVCC, RUN, FB, OV, ROSC, OSC,

DIV0, DIV1, DIV2, SPREAD, CHOLD1,

CHOLD2, CHOLD3, CHOLD4, DRAIN, COMP,

GUARD2, GUARD3, GUARD4, VPP............ –0.3V to 5.5V

VIN Pin Current.......................................................10mA

INTVCC Pin Current .............................................–10mA

COSC Pin Current..................................................3.3mA

Maximum Junction Temperature .......................... 125°C

Operating Junction Temperature Range (Note 2)

E-, I-Grades ....................................... –40°C to 125°C

MP-Grade .......................................... –55°C to 125°C

Storage Temperature Range .................. –65°C to 125°C

(Note 1)

TOP VIEW

GN PACKAGE

24-LEAD NARROW PLASTIC SSOP

INTVCC

DRAIN

COMP

CHOLD1

GUARD2

CHOLD2

GUARD3

CHOLD3

GUARD4

CHOLD4

GND

VIN

VPP

SENSE

RUN

SPREAD

DIV0

DIV1

DIV2

OSC

ROSC

COSC

TJMAX = 150°C, θJA = 85°C/W

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT4180EGN#PBF

LT4180EGN#TRPBF

LT4180GN

24-Lead Narrow Plastic SSOP

–40°C to 125°C

LT4180IGN#PBF

LT4180IGN#TRPBF

LT4180GN

24-Lead Narrow Plastic SSOP

–40°C to 125°C

LT4180MPGN#PBF

LT4180MPGN#TRPBF

LT4180GN

24-Lead Narrow Plastic SSOP

–55°C to 125°C

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges. *The temperature grade is identiﬁed by a label on the shipping container.

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/

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN

Operating Supply Voltage

3.10

IVIN

Input Quiescent Current

ROSC Open, COSC Open, SENSE = VIN

VREF

Reference Voltage

VCHOLD2 = VCHOLD3 = 1.2V, Measured at CHOLD4

During Track ΔVOUT Clock Phase

1.209

1.197

1.221

1.233

1.245

ILIM

Open-Drain Current Limit

With FB = VREF + 200mV, OSC Stopped with Voltage

Feedback Loop Closed

510

VOL

DRAIN Low Voltage

VIN = 3V

0.3

VINTVCC

LDO Regulator Output Voltage

VIN = 5V

3.15

The l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C, VIN = SENSE = 5V, unless otherwise noted.

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