LTC3539-2 datasheet(2/12 Pages) LINER

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LTC3539/LTC3539-2

3539f

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

VIN Voltage................................................... –0.3V to 6V

SW Voltage

DC............................................................ –0.3V to 6V

Pulsed <100ns......................................... –0.3V to 7V

SHDN, FB, MODE Voltage ............................ –0.3V to 6V

VOUT............................................................. –0.3V to 6V

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

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

(Note 1)

TOP VIEW

VOUT

MODE

SHDN

PGND

GND

VIN

DCB PACKAGE

8-LEAD (2mm

3mm) PLASTIC DFN

TJMAX = 125°C, θJA = 60°C/W TO 85°C/W (NOTE 6)

EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

ELECTRICAL CHARACTERISTICS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage Range

After Start-Up

0.5

Minimum Start-Up Voltage

ILOAD = 1mA, VOUT = 0V

0.7

0.88

Output Voltage Adjust Range

1.5

5.25

Feedback Voltage

1.170

1.200

1.230

Feedback Input Current

VFB = 1.2V

Quiescent Current - Shutdown

VSHDN = 0V, Not Including Switch Leakage, VOUT = 0V

0.01

μA

Quiescent Current - Active

Measured on VOUT, Non-Switching

300

500

μA

Quiescent Current - Burst

Measured on VOUT, FB >1.230V

μA

N-Channel MOSFET Switch Leakage Current

VSW = 5V

0.1

μA

P-Channel MOSFET Switch Leakage Current

VSW = 5V, VOUT = 0V

0.1

μA

N-Channel MOSFET Switch On Resistance

VOUT = 3.3V

0.09

P-Channel MOSFET Switch On Resistance

VOUT = 3.3V

0.125

N-Channel MOSFET Current Limit

2.6

The

l denotes the speciﬁcations which apply over the speciﬁed

temperature range of –40°C to 85°C, otherwise speciﬁcations are at TA = 25°C. VIN = 1.2V, VOUT = 3.3V, unless otherwise noted.

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3539EDCB#PBF

LTC3539EDCB#TRPBF

LDCS

8-Lead (2mm

× 3mm) Plastic DFN

–40°C to 85°C

LTC3539EDCB-2#PBF

LTC3539EDCB-2#TRPBF

LDPH

8-Lead (2mm

× 3mm) Plastic DFN

–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/

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