LTC3544BEUD datasheet(2/16 Pages) LINER

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LTC3544B

3544bfa

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

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

RUNx ............................................. –0.3V to (VIN + 0.3V)

VFBx................................................ –0.3V to (VIN + 0.3V)

SWx ............................................... –0.3V to (VIN + 0.3V)

300mA P-Channel Source Current (DC) (Note 8) ..450mA

300mA N-Channel Sink Current (DC) (Note 8) ......450mA

200mA P-Channel Source Current (DC) (Note 8) ..300mA

200mA N-Channel Sink Current (DC) (Note 8) ......300mA

100mA P-Channel Source Current (DC) (Note 8) ..200mA

100mA N-Channel Sink Current (DC) (Note 8) ......200mA

Peak 300mA SW Sink and Source Current

(Note 8) ...........................................................600mA

Peak 200mA SW Sink and Source Current

(Note 8) ...........................................................400mA

Peak 100mA SW Sink and Source Current

(Note 8) ...........................................................200mA

Operating Temperature Range...................–40°C to 85°C

Junction Temperature (Notes 3, 4) ........................ 125°C

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

(Note 1)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

General Characteristics

VIN

Input Voltage Range

●

2.25

5.5

VFBREGx

Regulated Feedback Voltage (Note 5)

●

0.792

0.784

0.8

0.808

0.816

ΔVFBREGx

Reference Voltage Line Regulation (Note 5)

VIN = 2.25V to 5.5V

0.05

0.25

%/V

VLOADREG

Output Voltage Load Regulation (Note 6)

0.5

Input DC Bias Current Active Mode (Pulse Skip)

VFB = 0.7V, ILOAD = 0A, 2.25MHz,

Four Regulators Enabled

825

1100

μA

Shutdown

0.1

μA

fOSC

Oscillator Frequency

VIN = 3V

VIN = 2.5V to 5.5V

●

1.8

2.25

2.7

MHz

16 15 14 13

TOP VIEW

UD PACKAGE

16-LEAD (3mm

× 3mm) PLASTIC QFN

VFB200B

VFB200A

RUN200A

SW200B

RUN100

VFB100

VFB300

RUN300

TJMAX = 125°C, θJA = 68°C/W

EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB

The ● denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 3.6V unless otherwise noted. (Note 2)

PIN CONFIGURATION

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3544BEUD#PBF

LTC4263IDE#TRPBF

LCLN

16-Lead (3mm × 3mm) Plastic QFN

–40°C to 85°C

LEAD BASED FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3544BEUD

LTC4263IDE#TR

LCLN

16-Lead (3mm × 3mm) Plastic QFN

–40°C to 85°C

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

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/

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