LTC3560 datasheet(2/16 Pages) LINER

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LTC3560

3560fb

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

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

SYNC/MODE, RUN, VFB Voltages ............... – 0.3V to VIN

SW Voltage (DC) .......................... – 0.3V to (VIN + 0.3V)

P-Channel Switch Source Current (DC) (Note 6)..... 1.2A

N-Channel Switch Sink Current (DC) (Note 6) ........ 1.2A

Peak SW Sink and Source Current (Note 6) ........... 2.1A

Operating Temperature Range (Note 2)

LTC3560E.............................................–40°C to 85°C

LTC3560I............................................–40°C to 125°C

Junction Temperature (Notes 3, 7) ...................... 125°C

Storage Temperature Range.................. – 65°C to 150°C

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

(Note 1)

RUN 1

GND 2

SW 3

6 SYNC/MODE

5 VFB

4 VIN

TOP VIEW

S6 PACKAGE

6-LEAD PLASTIC TSOT-23

TJMAX = 125°C, θJA = 250°C/W

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

IVFB

Feedback Current

±30

IPK

Peak Inductor Current

VIN = 3V, VFB = 0.5V, Duty Cycle < 35%

1.0

1.5

2.0

VFB

Regulated Feedback Voltage

(Note 4)

E Grade

I Grade

0.588

0.582

0.6

0.612

0.618

ΔVFB

Reference Voltage Line Regulation

VIN = 2.5V to 5.5V (Note 4)

E Grade

I Grade

0.04

0.4

0.8

%/V

VLOADREG

Output Voltage Load Regulation

0.5

VIN

Input Voltage Range

2.5

5.5

Input DC Bias Current

Pulse-Skipping Mode

Burst Mode Operation

Shutdown

(Note 5)

VFB = 0.63V, Mode = High, ILOAD = 0A

VFB = 0.63V, Mode = Low, ILOAD = 0A

VRUN = 0V, VIN = 5.5V

200

0.1

300

μA

fOSC

Oscillator Frequency

VFB = 0.6V

1.8

2.25

2.7

MHz

fSYNC

SYNC Frequency Range

MHz

RPFET

RDS(ON) of P-Channel FET

ISW = 100mA

0.23

0.35

RNFET

RDS(ON) of N-Channel FET

ISW = –100mA

0.21

0.35

ILSW

SW Leakage

VRUN = 0V, VSW = 0V or 5.5V, VIN = 5.5V

±0.01

±1

μA

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3560ES6#PBF

LTC3560ES6#TRPBF

LTCFY

6-Lead Plastic TSOT-23

–40°C to 85°C

LTC3560IS6#PBF

LTC3560IS6#TRPBF

LTCFY

6-Lead Plastic TSOT-23

–40°C to 125°C

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges. *The temperature grade is identiﬁed by a label on the shipping container.

Consult LTC Marketing for information on non-standard lead based ﬁnish parts.

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/

ELECTRICAL CHARACTERISTICS The l denotes the speciﬁcations which apply over the full operating

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

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