LT3511_15 datasheet(2/26 Pages) LINER

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LT3511

3511fc

ABSOLUTE MAXIMUM RATINGS

SW (Note 4) ............................................................150V

VIN, EN/UVLO, RFB..................................................100V

VIN to RFB..................................................................±6V

BIAS................................................Lesser of 20V or VIN

RREF, TC, VC ................................................................6V

Operating Junction Temperature Range (Note 2)

LT3511E, LT3511I............................... –40°C to 125°C

LT3511H............................................. –40°C to 150°C

LT3511MP.......................................... –55°C to 150°C

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

(Note 1)

ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VIN = 24V unless otherwise noted.

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3511EMS#PBF

LT3511EMS#TRPBF

3511

16-Lead Plastic MSOP

–40°C to 125°C

LT3511IMS#PBF

LT3511IMS#TRPBF

3511

16-Lead Plastic MSOP

–40°C to 125°C

LT3511HMS#PBF

LT3511HMS#TRPBF

3511

16-Lead Plastic MSOP

–40°C to 150°C

LT3511MPMS#PBF

LT3511MPMS#TRPBF

3511

16-Lead Plastic MSOP

–55°C to 150°C

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

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/

PIN CONFIGURATION

EN/UVLO

VIN

GND

BIAS

GND

RFB

RREF

GND

TOP VIEW

MS PACKAGE

16(12)-LEAD PLASTIC MSOP

θJA = 90°C/W

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage Range

VIN = BIAS

4.5

100

Quiescent Current

Not Switching

VEN/UVLO = 0.2V

2.7

3.5

μA

EN/UVLO Pin Threshold

EN/UVLO Pin Voltage Rising

1.15

1.21

1.27

EN/UVLO Pin Current

VEN/UVLO = 1.1V

VEN/UVLO = 1.4V

2.0

2.6

3.3

μA

Maximum Switching Frequency

650

kHz

Maximum Current Limit

240

330

430

Minimum Current Limit

Switch VCESAT

ISW = 100mA

0.3

RREF Voltage

1.18

1.17

1.20

1.215

1.23

RREF Voltage Line Regulation

6V < VIN < 100V

0.01

0.03

%/V

RREF Pin Bias Current

(Note 3)

400

Error Amplifier Voltage Gain

150

V/V

Error Amplifier Transconductance

ΔI = 2μA

140

μmhos

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