LT3510EFE datasheet(2/28 Pages) LINER

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LT3510

3510fc

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

VIN1/2, SHDN, PG1/2 ...................................... 25V/–0.3V

SW1/2....................................................................VIN1/2

BST1/2 ........................................................... 35V/–0.3V

BST1/2 Pins Above SW1/2........................................25V

IND1/2 .....................................................................±4A

VOUT1/2........................................................ VIN1/2/–0.3V

FB1/2, SS1/2, RT/SYNC............................................5.5V

VC1/2 ......................................................................±1mA

Operating Junction Temperature Range

LT3510EFE (Notes 2, 8) ..................... –40°C to 125°C

LT3510IFE (Notes 2, 8) ...................... –40°C to 125°C

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

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

(Note 1)

The

l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TJ = 25°C. VVIN1/2 = 15V, VBST1/2 = open, VRT/SYNC = 2V, VVOUT1/2 = open,

unless otherwise speciﬁed.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

SHDN Threshold

VOUT1/2 = 0V, RT/SYNC = 133k

1.23

1.28

1.37

SHDN Input Current

VSHDN = 1.375V

VSHDN = 1.225V

μA

Minimum Input Voltage Ch 1 (Note 3)

VFB1/2 = 0V, VVOUT1/2 = 0V, VIND1/2 = 0V, RT/SYNC = 133k

2.8

Minimum Input Voltage Ch 2

VFB1/2 = 0V, VVOUT1/2 = 0V, VIND1/2 = 0V

2.8

Supply Shutdown Current Ch 1

VSHDN = 0V

930

μA

Supply Shutdown Current Ch 2

VSHDN = 0V

μA

Supply Quiescent Current Ch 1

VFB1/2 = 0.9V

3.5

Supply Quiescent Current Ch 2

VFB1/2 = 0.9V

200

500

μA

Feedback Voltage Ch 1/2

VVC1/2 = 1V

0.784

0.8

0.816

PIN CONFIGURATION

FE PACKAGE

20-LEAD PLASTIC TSSOP

TOP VIEW

VIN1

SW1

IND1

VOUT1

PG1

PG2

VOUT2

IND2

SW2

VIN2

BST1

SS/TRACK1

VC1

FB1

RT/SYNC

SHDN

FB2

VC2

SS/TRACK2

BST2

TJMAX = 125°C, θJA = 45°C/W, θJC(PAD) = 10°C/W

EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3510EFE#PBF

LT3510EFE#TRPBF

LT3510FE

20-Lead TSSOP

–40°C to 125°C

LT3510IFE#PBF

LT3510IFE#TRPBF

LT3510FE

20-Lead TSSOP

–40°C to 125°C

LEAD BASED FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3510EFE

LT3510EFE#TR

LT3510FE

20-Lead TSSOP

–40°C to 125°C

LT3510IFE

LT3510IFE#TR

LT3510FE

20-Lead TSSOP

–40°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/

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