LTC3531/

LTC3531-3.3/LTC3531-3

2

3531fb

ABSOLUTE

AXI U

RATI GS

FOR ATIO

PACKAGE/ORDER I

VIN, VOUT, SW1, SW2, SHDN Voltage ...........–0.3 to 6V

SW1, SW2 Voltage, <100ns Pulse ..................–0.3 to 7V

Operating Temperature Range (Notes 2,3) –40°C to 85°C

(Note 1)

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

Lead Temperature (TS6, Soldering, 10 sec) .......... 300°C

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Startup Voltage

●

1.65

1.8

V

Output Voltage (3.3V Version)

No Load

●

3.25

3.32

3.39

V

Output Voltage (3V Version)

No Load

●

2.95

3.02

3.09

V

FB Voltage (Adj Version)

No Load

●

1.20

1.225

1.25

V

FB Input Current (Adj Version)

1

50

nA

Operating Current

Quiescent Current in Sleep:

16

30

μA

6

10

μA

Shutdown Current

1

μA

Switch Performance

NMOS Switch Leakage

Switches B and C

0.2

2

μA

PMOS Switch Leakage

Switches A and D

0.2

2

μA

0.5

Ω

0.5

Ω

6 SW1

4 SHDN

SW2 1

TOP VIEW

S6 PACKAGE

6-LEAD PLASTIC TSOT-23

GND, PGND 2

TOP VIEW

DD PACKAGE

8-LEAD (3mm

× 3mm) PLASTIC DFN

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

*NC FOR LTC3531-3.3V, LTC3531-3.0V.

5

6

7

9

8

4

3

2

1

SW1

GND

SHDN

PGND

SW2

FB*

ORDER PART NUMBER

S6 PART MARKING

ORDER PART NUMBER

DD PART MARKING

LTC3531ES6-3.3

LTC3531ES6-3

LTBWM

LTCBK

LTC3531EDD

LTC3531EDD-3.3

LTC3531EDD-3

LBVC

LBWH

LCBV

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.