LTC3621 datasheet(2/16 Pages) LINER

2 / 16 page

LTC3621/LTC3621-2

3621f

For more information www.linear.com/LTC3621

absoluTe MaxiMuM raTings

VIN Voltage (Note 2)................................... 17V to –0.3V

SW Voltage DC................................. VIN + 0.3V to –0.3V

Transient (Note 2)...................................19V to –2.0V

RUN Voltage................................................ VIN to –0.3V

MODE, FB Voltages...................................... 6V to –0.3V

(Note 1)

TOP VIEW

MODE

INTVCC

VIN

RUN

DCB PACKAGE

6-LEAD (2mm

× 3mm) PLASTIC DFN

GND

TJMAX = 125°C, θJA = 64°C/W, θJC = 9.6°C/W

EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB

VIN

RUN

PGOOD

SGND

MODE

INTVCC

TOP VIEW

GND

MS8E PACKAGE

8-LEAD PLASTIC MSOP

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

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

pin conFiguraTion

elecTrical characTerisTics The

denotes the specifications which apply over the full operating

junction temperature range, otherwise specifications are at TJ = 25°C. VIN = 12V, unless otherwise noted. (Notes 3, 6)

orDer inForMaTion

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3621EDCB#PBF

LTC3621EDCB#TRPBF

LGDG

6-Lead (2mm

× 3mm) Plastic DFN

–40°C to 125°C

LTC3621IDCB#PBF

LTC3621IDCB#TRPBF

LGDG

6-Lead (2mm

× 3mm) Plastic DFN

–40°C to 125°C

LTC3621EMS8E#PBF

LTC3621EMS8E#TRPBF

LTGDH

8-Lead Plastic MSOP

–40°C to 125°C

LTC3621IMS8E#PBF

LTC3621IMS8E#TRPBF

LTGDH

8-Lead Plastic MSOP

–40°C to 125°C

LTC3621EDCB-2#PBF

LTC3621EDCB-2#TRPBF

LGHY

6-Lead (2mm

× 3mm) Plastic DFN

–40°C to 125°C

LTC3621IDCB-2#PBF

LTC3621IDCB-2#TRPBF

LGHY

6-Lead (2mm

× 3mm) Plastic DFN

–40°C to 125°C

LTC3621EMS8E-2#PBF

LTC3621EMS8E-2#TRPBF LTGHZ

8-Lead Plastic MSOP

–40°C to 125°C

LTC3621IMS8E-2#PBF

LTC3621IMS8E-2#TRPBF LTGHZ

8-Lead Plastic MSOP

–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.

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/

INTVCC, PGOOD Voltages ............................ 6V to –0.3V

Operating Junction Temperature Range

(Note 3).................................................. –40°C to 125°C

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

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN

Operating Voltage

2.7

VOUT

Operating Voltage

0.6

VIN

IVIN

Input Quiescent Current

Shutdown Mode, VRUN = 0V

Burst Mode Operation

Forced Continuous Mode

(Note 4), VFB < 0.6V

3.5

1.5

0.1

4.5

µA

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