LTC3542 datasheet(2/16 Pages) LINER

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LTC3542

3542fa

ELECTRICAL CHARACTERISTICS

Input Supply Voltage (VIN)........................... –0.3V to 6V

VFB, RUN Voltages .......................................–0.3V to VIN

MODE Voltage................................–0.3V to (VIN + 0.3V)

SW Voltage ....................................–0.3V to (VIN + 0.3V)

Operating Temperature Range (Note 2)

LTC3542E ............................................ –40°C to 85°C

LTC3542I ........................................... –40°C to 125°C

The

● denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 3.6V unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN

Operating Voltage Range

●

2.5

5.5

IFB

Feedback Input Current

±30

VFB

Feedback Voltage (Note 4)

●

0.588

0.6

0.612

ΔVLINE_REG

Reference Voltage Line Regulation (Note 4) VIN = 2.5V to 5.5V

0.04

0.2

%/V

ΔVLOAD_REG

Output Voltage Load Regulation (Note 4)

ILOAD = 100mA to 500mA

0.02

0.2

Junction Temperature (Note 7) ............................. 125°C

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

Lead Temperature (Soldering, 10 sec)

TSOT-23............................................................ 300°C

Reﬂow Peak Body Temperature (DFN) .................. 260°C

ABSOLUTE MAXIMUM RATINGS (Note 1)

TOP VIEW

RUN

VFB

VIN

GND

DC PACKAGE

6-LEAD (2mm

× 2mm) PLASTIC DFN

MODE/

SYNC

TJMAX = 125°C, θJA = 102°C/W, θJC = 20°C/W (SOLDERED TO A 4-LAYER BOARD, NOTE 3)

EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB

VIN 1

GND 2

VFB 3

6 SW

5 MODE/SYNC

4 RUN

TOP VIEW

S6 PACKAGE

6-LEAD PLASTIC TSOT-23

TJMAX = 125°C, θJA = 215°C/W

PIN CONFIGURATION

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3542EDC#PBF

LTC3542EDC#TRPBF

LCFR

6-Lead (2mm

× 2mm) Plastic DFN

–40°C to 85°C

LTC3542IDC#PBF

LTC3542IDC#TRPBF

LCFR

6-Lead (2mm

× 2mm) Plastic DFN

–40°C to 125°C

LTC3542ES6#PBF

LTC3542ES6#TRPBF

LCFS

6-Lead Plastic TSOT-23

–40°C to 85°C

LTC3542IS6#PBF

LTC3542IS6#TRPBF

LCFS

6-Lead Plastic TSOT-23

–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/

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