LTC3499 datasheet(2/16 Pages) LINER

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LTC3499/LTC3499B

3499f

ABSOLUTE

AXI U

RATI GS (Note 1)

TOP VIEW

DD PACKAGE

8-LEAD PLASTIC DFN

SHDN

VIN

GND

VOUT

PACKAGE/ORDER I FOR ATIO

FB, SS to GND ............................................ – 0.3V to 7V

Operating Temperature Range

(Notes 3, 4) ........................................ –40

°C to 85°C

Storage Temperature Range ................ – 65

°C to 125°C

Lead Temperature (Soldering, 10 sec)

MSOP .............................................................. 300

°C

ELECTRICAL CHARACTERISTICS The ● denotes specifications that apply over the full operating temperature

range, otherwise specifications are at TA = 25°C. VIN = 2.4V, VOUT = 5V, SHDN = 2.4V, TA = TJ unless otherwise noted.

VIN to GND ..................................................... – 7V to 7V

VOUT to GND ............................................... – 0.3V to 7V

SW to VOUT .................................................... – 7V to 1V

SW to GND

DC .............................................................. –7V to 7V

Pulsed < 100ns .......................................... –7V to 8V

SHDN to GND ................................................ – 7V to 7V

ORDER PART NUMBER

LTC3499EDD

LTC3499BEDD

LTC3499EMS8

LTC3499BEMS8

1250

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

VOUT

SHDN

VIN

GND

TOP VIEW

MS8 PACKAGE

8-LEAD PLASTIC MSOP

TJMAX = 125°C, θJA = 160°C/W

DD PART MARKING

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supply

VIN

Minimum Start-Up Voltage

●

1.6

1.8

VOUT

Output Voltage Adjust Range

●

VFB

FB Voltage

●

1.195

1.220

1.245

IFB

FB Input Current

VFB = 1.22V

IVIN

VIN Quiescent Current

No Output Load

●

300

600

µA

ISD

VIN Quiescent Current in Shutdown

SHDN = 0V, VOUT = 0V

0.1

µA

IBURST

Quiescent Current – Burst Mode Operation

VIN Current at 2.4V (LTC3499 Only)

µA

VOUT Current at 5V (LTC3499 Only)

1.5

µA

TJMAX = 125°C, θJA = 45°C

EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB

Order Options Tape and Reel: Add #TR

Lead Free: Add #PBF

Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marking: http://www.linear.com/leadfree/

ORDER PART NUMBER

MS8 PART MARKING

LBRB

LCDZ

LTBRC

LTCFB

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