LTC3406AB datasheet(2/16 Pages) LINER

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LTC3406AB

3406abfa

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

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

RUN, VFB Voltages .......................................–0.3V to VIN

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

P-Channel Switch Source Current (DC)

(Note 7)................................................................800mA

N-Channel Switch Sink Current (DC) (Note 7) .....800mA

Peak SW Sink and Source Current (Note 7) .............1.3A

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

Junction Temperature (Notes 3, 6) ....................... 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

5 VFB

4 VIN

TOP VIEW

S5 PACKAGE

5-LEAD PLASTIC TSOT-23

TJMAX = 125°C, θJA = 250°C/W, θJC = 90°C/W

ORDER INFORMATION

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

IVFB

Feedback Current

●

±30

VFB

Regulated Feedback Voltage

(Note 4)

●

0.5880

0.6

0.6120

ΔVFB

Reference Voltage Line Regulation

VIN = 2.5V to 5.5V (Note 4)

●

0.04

0.4

%/V

IPK

Peak Inductor Current

VIN = 3V, VFB = 0.5V

Duty Cycle < 35%

0.75

1.25

VLOADREG

Output Voltage Load Regulation

0.5

VIN

Input Voltage Range

●

2.5

5.5

Input DC Bias Current

Active Mode

Shutdown

(Note 5)

VFB = 0.63V

VRUN = 0V, VIN = 5.5V

200

0.1

300

μA

fOSC

Oscillator Frequency

VFB = 0.6V

●

1.2

1.5

1.8

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 5V, VIN = 5V

±0.01

±1

μA

tSOFTSTART

Soft-Start Time

VFB from 10% to 90% Full-scale

0.6

0.9

1.2

The ● denotes the speciﬁcations which apply over the full operating

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

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3406ABES5#PBF

LTC3406ABES5#TRPBF

LTCXZ

5-Lead Plastic TSOT-23

–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.

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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