LTC3315B datasheet(2/28 Pages) AD

2 / 28 page

LTC3311S

Rev. A

For more information www.analog.com

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

VIN ............................................................. –0.3V to 6V

EN, SSTT ............. –0.3V to Lesser of (VIN + 0.3V) or 6V

MODE/SYNC ........ –0.3V to Lesser of (VIN + 0.3V) or 6V

RT ........................ –0.3V to Lesser of (VIN + 0.3V) or 6V

FB ........................ –0.3V to Lesser of (VIN + 0.3V) or 6V

PGOOD......................................................... –0.3V to 6V

IPGOOD......................................................................5mA

Operating Junction Temperature Range (Notes 2, 3)

LTC3311SE........................................ –40˚C to +125°C

LTC3311SI..........................................–40˚C to +125˚C

Storage Temperature.............................–65˚C to +150°C

Maximum Reflow (Package Body) Temperature ...260°C

(Note 1)

TOP VIEW

PGND

AGND

VIN

PGND

PGOOD

MODE/SYNC

VIN

PGND

18-LEAD (3mm × 3mm) LQFN PACKAGE

θJA = 42°C/W, θJCbottom = 9°C/W, θJCtop = 62°C/W, θJB = 14°C/W

ΨJT = 1.25°C/W, θ VALUES DETERMINED PER JESD51-12

EXPOSED PAD (PIN 19) IS PGND, MUST BE SOLDERED TO PCB

18 17 16 15

ORDER INFORMATION

LEAD FREE – TRAY/REEL

AUTOMOTIVE PRODUCTS**

PART MARKING PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3311SEV#PBF

N/A

LHKH

18-Lead (3mm × 3mm) LQFN

(Laminate Package with QFN Footprint) –40°C to 125°C

LTC3311SIV#PBF

LTC3311SIV#WPBF

LTC3311SEV#TRPBF

N/A

LTC3311SIV#TRPBF

LTC3311SIV#WTRPBF

LTC3311SEV#TRMPBF

N/A

LTC3311SIV#TRMPBF

LTC3311SIV#WTRMPBF

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

Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.

**Versions of this part are zavailable with controlled manufacturing to support the quality and reliability requirements of automotive applications. These

models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your

local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for

these models.

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