LT3495_15 datasheet(2/16 Pages) LINER

2 / 16 page

LT3495/LT3495B/

LT3495-1/LT3495B-1

3495b1b1fa

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

VCC Voltage...............................................................16V

SW Voltage ...............................................................40V

CAP Voltage ..............................................................40V

VOUT Voltage.............................................................40V

SHDN Voltage ...........................................................10V

CTRL Voltage ............................................................10V

FB Voltage................................................................2.5V

Maximum Junction Temperature........................... 125°C

Operating Temperature Range (Note 2).. –40°C to 125°C

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

(Note 1)

TOP VIEW

DDB PACKAGE

10-LEAD (3mm × 2mm) PLASTIC DFN

GND

VCC

CTRL

SHDN

CAP

VOUT

TJMAX = 125°C, θJA = 76°C/W

EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3495EDDB#PBF

LT3495EDDB#TRPBF

LDSS

10-Lead (3mm

× 2mm) Plastic DFN

–40°C to 125°C

LT3495EDDB-1#PBF

LT3495EDDB-1#TRPBF

LDSV

10-Lead (3mm

× 2mm) Plastic DFN

–40°C to 125°C

LT3495BEDDB#PBF

LT3495BEDDB#TRPBF

LDST

10-Lead (3mm

× 2mm) Plastic DFN

–40°C to 125°C

LT3495BEDDB-1#PBF

LT3495BEDDB-1#TRPBF

LDSW

10-Lead (3mm

× 2mm) Plastic DFN

–40°C to 125°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/

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Operating Voltage

2.2

2.5

Maximum Operating Voltage

FB Voltage

VCTRL = 3V, (Note 3)

1.220

1.235

1.255

FB Voltage Line Regulation

0.03

%/V

FB Resistor

FB Voltage = 1.235V

74.7

kΩ

Quiescent Current

Not Switching

µA

Quiescent Current in Shutdown

VSHDN = 0V, VCC = 3V

µA

Minimum Switch-Off Time

After Start-Up (Note 4)

During Start-Up (Note 4)

200

500

Maximum Switch-Off Time

LT3495/LT3495-1, VFB = 1.5V

µs

Maximum Switch-On Time

µs

Switch Current Limit

LT3495/LT3495B

550

650

780

The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VCC = 3V, VSHDN = VCC, unless otherwise noted. (Note 2)

ELECTRICAL CHARACTERISTICS

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