LT8611 datasheet(2/16 Pages) LINER

Part #	LT8611

Description	17V, 1A Synchronous Step-Down Regulator with 3.5關A Quiescent Current

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC3621/LTC3621-2

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

FB

SW

VIN

RUN

DCB PACKAGE

6-LEAD (2mm

× 3mm) PLASTIC DFN

4

5

7

GND

6

3

2

1

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

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

1

2

3

4

SW

VIN

RUN

PGOOD

8

7

6

5

SGND

MODE

INTVCC

FB

TOP VIEW

9

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

l

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

17

V

VOUT

Operating Voltage

0.6

VIN

V

IVIN

Input Quiescent Current

Shutdown Mode, VRUN = 0V

Burst Mode Operation

Forced Continuous Mode

(Note 4), VFB < 0.6V

0

3.5

1.5

0.1

4.5

µA

mA

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