LTC3638 datasheet(2/26 Pages) LINER

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LTC3638

3638fa

For more information www.linear.com/LTC3638

ABSOLUTE MAXIMUM RATINGS

VIN

FBO

VPRG2

VPRG1

GND

RUN

OVLO

ISET

VFB

TOP VIEW

GND

MSE PACKAGE

VARIATION: MSE16 (12)

16-LEAD PLASTIC MSOP

TJMAX = 150°C, θJA = 40°C/W, θJC = 10°C/W

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

PIN CONFIGURATION

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3638EMSE#PBF

LTC3638EMSE#TRPBF

3638

16-Lead Plastic MSOP

–40°C to 125°C

LTC3638IMSE#PBF

LTC3638IMSE#TRPBF

3638

16-Lead Plastic MSOP

–40°C to 125°C

LTC3638HMSE#PBF

LTC3638HMSE#TRPBF

3638

16-Lead Plastic MSOP

–40°C to 150°C

LTC3638MPMSE#PBF

LTC3638MPMSE#TRPBF 3638

16-Lead Plastic MSOP

–55°C to 150°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/

VIN Supply Voltage................................... –0.3V to 140V

RUN Voltage............................................. –0.3V to 140V

SS, FBO, OVLO, ISET Voltages...................... –0.3V to 6V

VFB, VPRG1, VPRG2 Voltages ......................... –0.3V to 6V

Operating Junction Temperature Range (Notes 2, 3, 4)

LTC3638E, LTC3638I......................... –40°C to 125°C

LTC3638H.......................................... –40°C to 150°C

LTC3638MP....................................... –55°C to 150°C

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

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

(Note 1)

ELECTRICAL CHARACTERISTICS The

denotes the specifications which apply over the specified operating

junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 12V, unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Supply (VIN)

VIN

Input Voltage Operating Range

140

VOUT

Output Voltage Operating Range

0.8

VIN

UVLO

VIN Undervoltage Lockout

VIN Rising

VIN Falling

Hysteresis

3.5

3.3

3.75

3.5

250

4.0

3.8

DC Supply Current (Note 5)

Active Mode

Sleep Mode

Shutdown Mode

No Load

VRUN = 0V

150

1.4

350

µA

VRUN

RUN Pin Threshold

RUN Rising

RUN Falling

Hysteresis

1.17

1.06

1.21

1.10

110

1.25

1.14

IRUN

RUN Pin Leakage Current

RUN = 1.3V

–10

VOVLO

OVLO Pin Threshold

OVLO Rising

OVLO Falling

Hysteresis

1.17

1.06

1.21

1.10

110

1.25

1.14

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