LTC3537 datasheet(2/20 Pages) LINER

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LTC3537

3537fa

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

VINB and VINL Voltage................................... –0.3V to 6V

SW DC Voltage............................................. –0.3V to 6V

SW Pulsed (<100ns) Voltage ....................... –0.3V to 7V

FBB, FBL, PGDB, PGDL Voltage ................... –0.3V to 6V

MODE, ENBST, ENLDO Voltage ................... –0.3V to 6V

LBI and LBO Voltage .................................... –0.3V to 6V

VOUTB, VOLDO ............................................... –0.3V to 6V

Operating Temperature (Notes 2, 5)......... –40°C to 85°C

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

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

(Note 1)

16 15 14 13

TOP VIEW

UD PACKAGE

16-LEAD (3mm

3mm) PLASTIC QFN

MODE

LBI

SGND

VINB

VINL

VOLDO

FBL

FBB

TJMAX = 125°C, θJA = 68°C/W (Note 6)

EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3537EUD#PBF

LTC3537EUD#TRPBF

LDBD

16-Lead (3mm

× 3mm) Plastic QFN

–40°C to 85°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/

ELECTRICAL CHARACTERISTICS The l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VINB = 1.2V, VOUTB = 3.3V, unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Boost Converter

VINMIN

Minimum Start-Up Voltage

ILOAD = 1mA

0.68

0.8

VOUTB

Output Voltage Range

1.5

5.25

VFBB

Feedback Voltage

1.179

1.21

1.240

IFBB

Feedback Input Current

150

IQSHDN

Quiescent Current - Shutdown

VENBST = VENLDO = 0V, Not Including SW Leakage,

VOUTB = 0V

0.02

μA

IQACTIVE

Quiescent Current - Active

Measured on VOUTB, Nonswitching, MODE = 1.2V,

VENLDO = 0V

300

500

μA

IQBURST

Quiescent Current - Burst

Measured on VOUTB, FBB >1.24V, MODE = 1.2V,

VENLDO = 0V

μA

INLEAK

NMOS Switch Leakage Current VSW = 5V

0.1

μA

IPLEAK

PMOS Switch Leakage Current

VSW = 5V, VOUTB = 0V

0.1

μA

LTC3537 Datasheet(PDF) 2 Page - Linear Technology

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