LT8415_15 datasheet(2/12 Pages) LINER

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LT8415

8415f

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

VCC Voltage ................................................– 0.3V to 16V

CAP, VOUT Voltage......................................– 0.3V to 40V

SW .............................................................– 0.3V to 41V

IN1,IN2 ........................................................– 0.3V to 6V

OUT1,OUT2................................................– 0.3V to 40V

SHDN Voltage ............................................–0.3V to 16V

VREF Voltage..............................................– 0.3V to 2.5V

FBP Voltage...............................................– 0.3V to 2.5V

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

Operating Temperature Range (Note 2)..–40°C to 125°C

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

(Note 1)

TOP VIEW

DDB PACKAGE

12-PIN (3mm

2mm) PLASTIC DFN

SHDN

VCC

GND

IN1

IN2

FBP

VREF

CAP

VOUT

OUT1

OUT2

TJMAX = 125°C, θJA = 76°C/W

EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT8415EDDB#PBF

LT8415EDDB#TRPBF

LFDC

12-Pin (3mm × 2mm) Plastic DFN

–40°C to 125°C

LT8415IDDB#PBF

LT8415IDDB#TRPBF

LFDC

12-Pin (3mm × 2mm) Plastic DFN

–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/

ELECTRICAL CHARACTERISTICS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Operating Voltage

2.20

2.50

Maximum Operating Voltage

Reference Voltage

1.220

1.235

1.255

VREF Current Limit

(Note 3)

μA

VREF Discharge Time

(Note 3)

μS

VREF Line Regulation

0.01

%/V

Quiescent Current

Not Switching

10.5

15.5

μA

Quiescent Current in Shutdown

VSHDN = 0V

μA

Quiescent Current from VOUT and CAP

VOUT = 16V

μA

Minimum Switch Off Time

After Start-Up (Note 4)

During Start-Up (Note 4)

240

600

Switch Current Limit

Switch VCESAT

ISW = 10mA

150

Switch Leakage Current

VSW = 5V

μA

Schottky Forward Voltage

IDIODE = 10mA

650

850

Schottky Reverse Leakage

VCAP – VSW = 5

VCAP – Vsw = 40

0.5

μA

The

l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are TA = 25°C. VIN = 3.0V, VSHDN = VIN unless otherwise noted. (Note 2)

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