LTC3549

2

3549f

Input Supply Voltage................................... –0.3V to 6V

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

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

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

(Note 1)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage Range

●

1.6

5.5

V

RUN Threshold

●

0.3

0.7

1.1

V

RUN Leakage Current

0.01

1

µA

MODE Threshold

●

0.3

0.65

1.1

V

MODE Leakage Current

0.01

1

µA

Regulated Feedback Voltage

●

0.599

0.597

0.596

0.611

0.611

0.611

0.623

0.623

0.626

V

V

V

Feedback Current

●

±30

nA

40

60

80

mV

Reference Voltage Line Regulation

●

0.04

0.4

%/V

Output Voltage Line Regulation

0.04

0.4

%/V

Peak Inductor Current

0.3

0.45

0.6

A

Output Voltage Load Regulation

0.5

%

ELECTRICAL CHARACTERISTICS

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

TOP VIEW

DCB PACKAGE

6-LEAD (2mm

× 3mm) PLASTIC DFN

4

5

7

6

3

2

1

EXPOSED PAD (PIN 7) IS GND

MUST BE SOLDERED TO PCB

ORDER PART NUMBER

DCB PART MARKING

LTC3549EDCB

LBZR

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.