LTC3543

2

3543fa

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

ORDER INFORMATION

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

RUN

Run Threshold

0.3

1

1.5

V

Regulated Feedback Voltage

(Note 4)

l

0.588

0.6

0.612

V

Feedback Pin Current

50

nA

Peak Inductor Current

0.7

1

1.3

A

Output Voltage Load Regulation

0.5

%/mA

Output Voltage Line Regulation

(Note 4)

0.5

%/V

Input Voltage Range

l

2.5

5.5

V

Input DC Bias Current

Active Mode

Sleep Mode

Shutdown

(Note 5)

375

45

0.1

500

70

1

μA

μA

μA

Nominal Oscillator Frequency

l

1.80

2.25

MHz

0.45

Ω

0.35

Ω

SW Leakage

±1

μA

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

Note 2: The LTC3543E is guaranteed to meet performance specifications

from 0°C to 85°C. Specifications over the –40°C to 85°C operating

temperature ranges are assured by design, characterization and

correlation with statistical process controls.

TOP VIEW

RUN

VFB

SW

CAP

MODE

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

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3543EDCB#PBF

LTC3543EDCB#TRPBF

LCCK

6-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.