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LT3684

3684f

ELECTRICAL CHARACTERISTICS

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

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

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

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

BIAS, PG, BD Voltage................................................30V

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

(Note 1)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Input Voltage

●

3.6

Quiescent Current from VIN

VRUN/SS = 0.2V

0.01

0.5

µA

VBIAS = 3V, Not Switching

●

0.4

0.8

VBIAS = 0, Not Switching

1.2

2.0

Quiescent Current from BIAS

VRUN/SS = 0.2V

0.01

0.5

µA

VBIAS = 3V, Not Switching

●

0.85

1.5

VBIAS = 0, Not Switching

00.1

The

● denotes the speciﬁcations which apply over the full operating

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

noted. (Note 2)

Operating Temperature Range (Note 2)

LT3684E............................................... –40°C to 85°C

LT3684I ............................................. –40°C to 125°C

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

Lead Temperature (Soldering, 10 sec)

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

ABSOLUTE MAXIMUM RATINGS

TOP VIEW

DD PACKAGE

10-LEAD (3mm

× 3mm) PLASTIC DFN

BIAS

BOOST

VIN

RUN/SS

TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W

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

BOOST

VIN

RUN/SS

BIAS

TOP VIEW

MSE PACKAGE

10-LEAD PLASTIC MSOP

TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W

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

ORDER PART NUMBER

DD PART MARKING*

ORDER PART NUMBER

MSE PART MARKING*

LT3684EDD

LT3684IDD

LCVT

LT3684EMSE

LT3684IMSE

LTCVS

Order Options Tape and Reel: Add #TR

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

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

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges. *The temperature grade is identiﬁed by a label on the shipping container.

PACKAGE/ORDER INFORMATION

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