LTC3860 datasheet(2/36 Pages) LINER

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LTC3860

3860f

VCC Voltage.................................................. –0.3V to 6V

VINSNS Voltage ......................................... –0.3V to 30V

VSNSN Voltage ............................................ –0.3V to 2V

RUN Voltage ................................................ –0.3V to 6V

ISNS1P, ISNS1N,

ISNS2P, ISNS2N...........................–0.3V to (VCC + 0.1V)

All Other Voltages .........................–0.3V to (VCC + 0.3V)

Operating Junction Temperature Range (Note 3)

LTC3860E............................................. –40°C to 85°C

LTC3860I............................................ –40°C to 125°C

Storage Temperature Range................... –65°C to 125°C

(Note 1)

32 31 30 29 28 27 26 25

9 10 11 12

TOP VIEW

SGND

UH PACKAGE

32-LEAD (5mm 5mm) PLASTIC QFN

13 14 15 16

VCC

FB1

COMP1

VSNSOUT

VSNSN

VSNSP

COMP2

FB2

RUN1

ILIM1

ISNS1P

ISNS1N

ISNS2N

ISNS2P

ILIM2

RUN2

TJMAX = 125°C, θJA = 34°C/W

EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB

orDer inFormaTion

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3860EUH#PBF

LTC3860EUH#TRPBF

3860

32-Lead (5mm

× 5mm) Plastic QFN

–40°C to 85°C

LTC3860IUH#PBF

LTC3860IUH#TRPBF

3860

32-Lead (5mm

× 5mm) Plastic QFN

–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/

pin conFiguraTion

absoluTe maximum raTings

elecTrical characTerisTics The

denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TJ = 25°C. VCC = 5V, VRUN1,2 = 5V, VFREQ = VCLKIN = 0V, VFB = 0.6V, fOSC = 0.6MHz

unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VCC

Input Voltage Range

3.0

5.5

VIN

VIN Range

VCC = 5V

Input Voltage Supply Current

Normal Operation

Shutdown Mode

UVLO

VRUN1,2 = 5V

VRUN1,2 = 0V

VCC < VUVLO

3.5

µA

VRUN

RUN Input Threshold

VRUN Rising

VRUN Hysteresis

1.95

2.25

250

2.45

IRUN

RUN Input Pull-Up Current

VRUN1,2 = TBDV

1.5

µs

VUVLO

Undervoltage Lockout Threshold

VCC Rising

VCC Hysteresis

100

3.0

ISS

Soft-Start Pin Output Current

VSS = 0V

2.5

µA

LTC3860 Datasheet(PDF) 2 Page - Linear Technology

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