LT3972_15 datasheet(2/24 Pages) LINER

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LT3972

3972fa

ELECTRICAL CHARACTERISTICS

VIN, RUN/SS Voltage (Note 5)...................................62V

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

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

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

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

(Note 1)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Input Voltage

●

3.6

VIN Overvoltage Lockout

●

Quiescent Current from VIN

VRUN/SS = 0.2V

0.01

0.5

μA

VBD = 3V, Not Switching

●

μA

VBD = 0, Not Switching

120

160

μA

The ● 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)

LT3972E.............................................– 40°C to 125°C

LT3972I..............................................– 40°C to 125°C

LT3972H ............................................– 40°C to 150°C

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

Lead Temperature (Soldering, 10 sec)

(MSE Only) ....................................................... 300°C

TOP VIEW

DD PACKAGE

10-LEAD (3mm

3mm) PLASTIC DFN

SYNC

BOOST

VIN

RUN/SS

θJA = 45°C/W, θJC = 10°C/W

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

BOOST

VIN

RUN/SS

SYNC

TOP VIEW

MSE PACKAGE

10-LEAD PLASTIC MSOP

θJA = 45°C/W, θJC = 10°C/W

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

PIN CONFIGURATION

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3972EDD#PBF

LT3972EDD#TRPBF

LDXR

10-Lead (3mm

× 3mm) Plastic DFN

–40°C to 125°C

LT3972IDD#PBF

LT3972IDD#TRPBF

LDXR

10-Lead (3mm

× 3mm) Plastic DFN

–40°C to 125°C

LT3972EMSE#PBF

LT3972EMSE#TRPBF

LTDXS

10-Lead Plastic MSOP

–40°C to 125°C

LT3972IMSE#PBF

LT3972IMSE#TRPBF

LTDXS

10-Lead Plastic MSOP

–40°C to 125°C

LT3972HMSE#PBF

LT3972HMSE#TRPBF

LTDXS

10-Lead Plastic MSOP

–40°C to 150°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/

ABSOLUTE MAXIMUM RATINGS

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