LT1912_15 datasheet(2/24 Pages) LINER

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LT1912

1912fa

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

VIN, RUN/SS Voltage.................................................36V

BOOST Pin Voltage ...................................................56V

BOOST Pin Above SW Pin.........................................30V

FB, RT, VC Voltage.......................................................5V

BD, SYNC Voltage .....................................................30V

(Note 1)

The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VIN = 10V, VRUN/SS = 10V, VBOOST = 15V, VBD = 3.3V unless otherwise

noted. (Note 2)

Operating Junction Temperature Range (Note 2)

LT1912E............................................ –40°C to 125°C

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

Lead Temperature (Soldering, 10 sec)

MSE Only..........................................................300°C

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT1912EDD#PBF

LT1912EMSE#PBF

LT1912EDD#TRPBF

LT1912EMSE#TRPBF

LDJT

LTDJS

10-Lead (3mm

× 3mm) Plastic DFN

10-Lead Plastic MSOP

–40°C to 125°C

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

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/

TOP VIEW

DD PACKAGE

10-LEAD (3mm × 3mm) PLASTIC DFN

GND

N/C

SYNC

BOOST

VIN

RUN/SS

JA = 45°C/W, JC = 10°C/W

EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB

BOOST

VIN

RUN/SS

N/C

SYNC

TOP VIEW

MSE PACKAGE

10-LEAD PLASTIC MSOP

GND

JA = 45°C/W, JC = 10°C/W

EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Input Voltage

3.6

Quiescent Current from VIN

VRUN/SS = 0.2V

VBD = 3V, Not Switching

VBD = 0, Not Switching

0.01

450

1.3

0.5

600

1.7

µA

Quiescent Current from BD

VRUN/SS = 0.2V

VBD = 3V, Not Switching

VBD = 0, Not Switching

0.01

0.9

0.5

1.3

µA

Minimum Bias Voltage (BD Pin)

2.7

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