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LTC3803

3803fc

ABSOLUTE MAXIMUM RATINGS

VCC to GND

Low Impedance Source ........................... –0.3V to 8V

Current Fed ........................................25mA into VCC*

NGATE Voltage............................................–0.3V to VCC

VFB, ITH/RUN Voltages............................... –0.3V to 3.5V

SENSE Voltage ............................................. –0.3V to 1V

NGATE Peak Output Current (<10μs) ......................... 1A

Operating Junction Temperature Range (Notes 2, 3)

LTC3803E, LTC3803I..........................– 40°C to 125°C

LTC3803H ..........................................– 40°C to 150°C

LTC3803MP ....................................... –55°C to 150°C

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

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

(Note 1)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VTURNON

VCC Turn On Voltage

LTC3803E

LTC3803H, LTC3803I

LTC3803MP

7.8

7.7

7.6

8.7

9.2

9.25

9.5

VTURNOFF

VCC Turn Off Voltage

LTC3803E

LTC3803H, LTC3803I

LTC3803MP

4.6

5.7

6.8

7.25

VHYST

VCC Hysteresis

VTURNON – VTURNOFF

LTC3803E, LTC3803I, LTC3803H

LTC3803MP

1.5

3.0

The

l denotes the speciﬁcations which apply over the full operating

junction temperature range, otherwise speciﬁcations are at TA = 25°C. VCC = 8V, unless otherwise noted. (Note 2)

ELECTRICAL CHARACTERISTICS

*LTC3803 internal clamp circuit self regulates VCC voltage to 9.5V.

PIN CONFIGURATION

ITH/RUN 1

GND 2

VFB 3

6 NGATE

5 VCC

4 SENSE

TOP VIEW

S6 PACKAGE

6-LEAD PLASTIC TSOT-23

TJMAX = 150°C, θJA = 192°C/W

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3803ES6#PBF

LTC3803ES6#TRPBF

LTACV

6-Lead Plastic TSOT-23

–40°C to 125°C

LTC3803IS6#PBF

LTC3803IS6#TRPBF

LTBNC

6-Lead Plastic TSOT-23

–40°C to 125°C

LTC3803HS6#PBF

LTC3803HS6#TRPBF

LTBNC

6-Lead Plastic TSOT-23

–40°C to 150°C

LTC3803MPS6#PBF

LTC3803MPS6#TRPBF

LTBNC

6-Lead Plastic TSOT-23

–55°C to 150°C

LEAD BASED FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3803ES6

LTC3803ES6#TR

LTACV

6-Lead Plastic TSOT-23

–40°C to 125°C

LTC3803IS6

LTC3803IS6#TR

LTBNC

6-Lead Plastic TSOT-23

–40°C to 125°C

LTC3803HS6

LTC3803HS6#TR

LTBNC

6-Lead Plastic TSOT-23

–40°C to 150°C

LTC3803MPS6

LTC3803MPS6#TR

LTBNC

6-Lead Plastic TSOT-23

–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.

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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