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LTC3528-2

35282f

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

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

SW Voltage

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

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

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

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

PGOOD......................................................... –0.3V to 6V

Operating Temperature Range

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

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

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

(Note 1)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN Range

Operating, Excluding Start-Up

0.5

5.5

Minimum Start-Up Voltage

ILOAD = 1mA

0.70

0.88

Output Voltage Adjust Range

TA = 0°C to 85°C

1.7

1.6

5.25

Feedback Voltage

(Note 7)

1.170

1.200

1.230

Feedback Input Current

VFB = 1.3V

Quiescent Current—Shutdown

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

0.01

μA

Quiescent Current—Active

Measured on VOUT, Nonswitching (Note 4)

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

0.175

P-Channel MOSFET Switch On Resistance

0.250

N-Channel MOSFET Current Limit

1.0

1.5

Current Limit Delay Time to Output

(Note 3)

Maximum Duty Cycle

VFB = 1.15V

The

l denotes the speciﬁcations which apply over the speciﬁed operating

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

TOP VIEW

DDB PACKAGE

8-LEAD (3mm

2mm) PLASTIC DFN

SHDN

PGOOD

VOUT

VIN

SGND

PGND

TJMAX = 125°C, θJA = 76°C/W (NOTE 6)

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

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3528EDDB-2#PBF

LTC3528EDDB-2#TRPBF

LDNZ

8-Lead (3mm × 2mm) 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/

PIN CONFIGURATION

ORDER INFORMATION

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