LTC3312SAAVPBF datasheet(2/28 Pages) AD

2 / 28 page

LTC3312SA

Rev. 0

For more information www.analog.com

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

PVIN1, PVIN2, AVIN........................................ –0.3V to 6V

EN1, EN2.............–0.3V to Lesser of (AVIN + 0.3V) or 6V

FB1, FB2..............–0.3V to Lesser of (AVIN + 0.3V) or 6V

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

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

SSTT1, SSTT2 ....–0.3V to Lesser of (AVIN + 0.3V) or 6V

AGND to PGND ....................................... –0.3V to +0.3V

PGOOD1, PGOOD2 ...................................... –0.3V to 6V

IPGOOD1, IPGOOD2......................................................5mA

Operating Junction Temperature Range (Note 2):

LTC3312SAA...................................... –40°C to 125°C

LTC3312SAJ ...................................... –40°C to 125°C

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

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

(Note 1)

TOP VIEW

LQFN PACKAGE

22-LEAD (4mm × 3mm)

2θJA = 23.2°C/W, θJCTOP = 27.5°C/W,

θJCBOTTOM = 4.0ºC/W

SSTT1

FB1

EN1

PGOOD1

SW1

PVIN1

EN2

FB2

PGOOD2

MODE/SYNC

SW2

PVIN2

PGND

21 20 19

10 11

NOTES:

1. θJA VALUE IS OBTAINED WITH DEMO BOARD.

2. θ VALUES ARE DETERMINED BY SIMULATION

PER JESD-51 CONDITIONS.

ORDER INFORMATION

PART NUMBER

PART

MARKING*

FINISH CODE

PAD FINISH

PACKAGE

TYPE

MSL

RATING

TEMPERATURE RANGE

LTC3312SAAV#PBF

312SA

Au (RoHS)

LQFN (Laminate Package

with QFN Footprint)

–40°C to 125°C

AUTOMOTIVE PRODUCTS**

LTC3312SAJV#WPBF

312SA

Au (RoHS)

LQFN (Laminate Package

with QFN Footprint)

–40°C to 125°C

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

**Versions of this part are available 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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