LTC4305CDHD datasheet(2/20 Pages) LINER

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LTC4305

4305f

ABSOLUTE

AXI U

RATI GS (Note 1)

Supply Voltage (VCC) ................................... –0.3V to 7V

Input Voltages (ADR0, ADR1, ADR2,

ENABLE, ALERT1, ALERT2) .................... –0.3V to 7V

Output Voltages (ALERT, READY) ............... –0.3V to 7V

Input/Output Voltages (SDAIN, SCLIN,

SCL1, SDA1, SCL2, SDA2) ...................... –0.3V to 7V

Output Sink Current (SDAIN, SCLIN, SCL1,

SDA1, SCL2, SDA2, ALERT, READY) ............... 10mA

Operating Temperature Range

LTC4305C ............................................... 0

°C to 70°C

LTC4305I ............................................. –40

°C to 85°C

Storage Temperature Range

DHD Package .................................... –65

°C to 125°C

GN Package ....................................... –65

°C to 150°C

Lead Temperature (Soldering, 10 sec)

GN Package ...................................................... 300

°C

ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full specified temperature

range, otherwise specifications are at TA = 25°C. VCC = 3.3V unless otherwise noted.

PACKAGE/ORDER I FOR ATIO

Consult LTC Marketing for parts specified with wider operating temperature ranges.

GN PART MARKING

4305

4305I

Order Options Tape and Reel: Add #TR

Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marketing: http://www.linear.com/leadfree/

TJMAX = 125°C, θJA = 135°C/W

TOP VIEW

GN PACKAGE

16-LEAD NARROW PLASTIC SSOP

ALERT2

ALERT

SDAIN

GND

SCLIN

ENABLE

VCC

ADR0

SCL2

SDA2

ALERT1

SDA1

SCL1

READY

ADR2

ADR1

SCL2

SDA2

ALERT1

SDA1

SCL1

READY

ADR2

ADR1

ALERT2

ALERT

SDAIN

GND

SCLIN

ENABLE

VCC

ADRO

TOP VIEW

DHD PACKAGE

16-LEAD (4mm

× 5mm) PLASTIC DFN

EXPOSED PAD (PIN 17) PCB CONNECTION OPTIONAL

MUST BE CONNECTED TO PCB TO OBTAIN

θJA = 43°C/W OTHERWISE θJA = 140°C/W. TJMAX = 125°C

LTC4305CDHD

LTC4305IDHD

ORDER PART NUMBER

DHD PART MARKING

4305

LTC4305CGN

LTC4305IGN

ORDER PART NUMBER

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Supply/Start-Up

VCC

Input Supply Range

●

2.7

5.5

ICC

Input Supply Current

Downstream Connected, VCC = 5.5V

●

5.2

SCL Bus Low, SDA Bus High

ICC ENABLE = 0V

Input Supply Current

VENABLE = 0V, VCC = 5.5V

●

1.25

2.5

VUVLOU

UVLO Upper Threshold Voltage

●

2.3

2.5

2.7

VUVLOHYST

UVLO Threshold Hysteresis Voltage

●

100

175

250

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