LTC2971 datasheet(4/114 Pages) AD

4 / 114 page

LTC2971

Rev. 0

For more information www.analog.com

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Supply Voltages:

VPWR...................................................... –0.3V to 63V

VPWR Current...................................................–20mA

VDD33.................................................... –0.3V to 3.6V

VDD25.................................................. –0.3V to 2.75V

Digital Input/Output Voltages:

ALERTB, SDA, SCL, CONTROL0, CONTROL1, PG[1:0],

VDDIO .................................................... –0.3V to 3.6V

PWRGD, SHARE_CLK, WDI/RESETB, WP, FAULTB0,

FAULTB1............................................... –0.3V to 3.6V

ASEL0, ASEL1....................................... –0.3V to 3.6V

Analog Voltages:

REFP................................................... –0.3V to 1.35V

REFM.................................................... –0.3V to 0.3V

VIN_SNS, IIN_SNSP, IIN_SNSM.................... –0.3V to 63V

IIN_SNSP to IIN_SNSM.............................. –0.3V to 0.3V

VOUT_SNS0, IOUT_SNSP0, IOUT_SNSM0

LTC2971, LTC2971-1, LTC2971-3........... –0.3V to 63V

LTC2971-2 ............................................. −63V to 0.3V

VOUT_SNS1, IOUT_SNSP1, IOUT_SNSM1

LTC2971 ................................................ –0.3V to 63V

LTC2971-1, LTC2971-2........................... −63V to 0.3V

LTC2971-3 ............................................... –0.3V to 3V

IOUT_SNSP0 to IOUT_SNSM0

LTC2971, LTC2971-1, LTC2971-3............. –0.3V to 3V

LTC2971-2 ............................................ –0.3V to 0.3V

IOUT_SNSP1 to IOUT_SNSM1

LTC2971, LTC2971-3................................ –0.3V to 3V

LTC2971-1, LTC2971-2.......................... –0.3V to 0.3V

GNDSNS[1:0]........................................... –0.3V to 0.3V

VOUT_EN[1:0], AUXFAULTB ...................... –0.3V to 63V

VDAC[1:0]................................................ –0.3V to 5.5V

TSENSE[1:0]............................................. –0.3V to 3.6V

Operating Junction Temperature Range:

LTC2971C, LTC2971C-1, LTC2971C-2,

LTC2971C-3............................................. 0°C to 70°C

LTC2971I, LTC2971I-1, LTC2971I-2,

LTC2971I-3 ........................................ –40°C to 105°C

LTC2971H, LTC2971H-1, LTC2971H-2,

LTC2971H-3....................................... –40°C to 125°C

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

Maximum Junction Temperature ........................ 125°C*

Peak Solder Reflow Package Body Temperature...260°C

*See OPERATION section for detailed EEPROM derating

information for junction temperatures in excess of 125°C.

(Notes 1, 2)

TOP VIEW

BGA PACKAGE

49-LEAD (7mm × 7mm × 1.44mm)

TJMAX = 125°C, θJA = 46°C/W, θJCtop = 26°C/W, θJCbottom = 21°C/W, θJB = 25°C/W,

WEIGHT = 0.13g, VALUES DETERMINED PER JEDEC 51-9, 51-12

AUXFAULTB

VOUT_EN1

GNDSNS0

IIN_SNSM

IIN_SNSP

VIN_SNS

VOUT_EN0

VDAC0

VOUT_SNS0

VDD33

TSENSE1

VPWR

IOUT_SNSM0

VDD25

TSENSE0

PWRGD

GND

VDAC1

IOUT_SNSP0

GND

SHARE_CLK

REFM

GND

GNDSNS1

ALERTB

WDI/RESETB

PG0

REFP

ASEL0

DNC

VOUT_SNS1

SDA

FAULTB0

PG1

ASEL1

CONTROL1

IOUT_SNSP1

IOUT_SNSM1

CONTROL0

SCL

FAULTB1

VDDIO

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