LTC3533 datasheet(2/16 Pages) LINER

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LTC3533

3533f

PACKAGE/ORDER INFORMATION

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

VIN, PVIN Voltages...........................................–0.3 to 6V

VOUT, PVOUT Voltages......................................–0.3 to 6V

SW1, SW2 Voltages

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

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

VC, FB, RUN/SS, BURST Voltages..................–0.3 to 6 V

Operating Temperature Range (Note 2) ... –40°C to 85°C

Maximum Junction Temperature (Note 3) ............ 125°C

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

(Note 1)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Operating Range

●

1.8

5.5

Output Voltage Adjust Range

●

1.8

5.25

Feedback Voltage

●

1.196

1.22

1.244

Feedback Input Current

VFB = 1.22V

Quiescent Current – Burst Mode Operation

VC = 0V, VBURST = 0V (Note 4)

µA

Quiescent Current – Shutdown

VRUN = 0V, Not Including Switch Leakage

0.1

µA

Quiescent Current – Active

VC = 0V, BURST = 3.6V (Note 4)

700

1100

µA

Input Current Limit

●

3.5

4.5

Peak Current Limit

Reverse Current Limit

0.5

NMOS Switch Leakage

Switches B and C

0.1

µA

PMOS Switch Leakage

Switches A and D

0.1

µA

NMOS Switch On Resistance

Switches B and C

PMOS Switch On Resistance

Switches A and D

Maximum Duty Cycle

Boost (% Switch C On)

Buck (% Switch A On)

●

100

Minimum Duty Cycle

●

RUN/SS

PVIN

VIN

PVOUT

VOUT

BURST

SGND

SW1

PGND

SW2

TOP VIEW

DE PACKAGE

14-LEAD (4mm

× 3mm) PLASTIC DFN

TJMAX = 125°C, θJA = 43°C/W, θJC = 4.3°C/W

EXPOSED PAD (PIN 15) IS GND, MUST BE SOLDERED TO PCB

ORDER PART NUMBER

DE PART MARKING

LTC3533EDE

3533

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

● denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 3.6V, VOUT = 3.3V, unless otherwise noted.

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