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LTC3803-3

38033fd

ORDER INFORMATION

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-3, LTC3803I-3 ................... –40°C to 125°C

LTC3803H-3....................................... –40°C to 150°C

LTC3803MP-3 .................................... –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 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. (Notes 2, 3)

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

PACKAGE/ORDER INFORMATION

*LTC3803-3 internal clamp circuit self regulates VCC voltage to 9.5V.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VTURNON

VCC Turn On Voltage

LTC3803E-3, LTC3803I-3

LTC3803H-3

LTC3803MP-3

7.6

7.5

8.7

9.2

9.25

9.4

VTURNOFF

VCC Turn Off Voltage

LTC3803E-3

LTC3803I-3

LTC3803H-3

LTC3803MP-3

4.6

4.4

5.7

7.2

VHYST

VCC Hysteresis (VTURNON – VTURN0FF)

VCLAMP1mA

VCC Shunt Regulator Voltage

ICC = 1mA, VITH/RUN = 0V

LTC3803E-3, LTC3803I-3

LTC3803H-3

LTC3803MP-3

8.3

9.4

10.3

10.5

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3803ES6-3#PBF

LTC3803ES6-3#TRPBF

LTCJS

6-Lead Plastic TSOT-23

–40°C to 125°C

LTC3803IS6-3#PBF

LTC3803IS6-3#TRPBF

LTCJT

6-Lead Plastic TSOT-23

–40°C to 125°C

LTC3803HS6-3#PBF

LTC3803HS6-3#TRPBF

LTCJT

6-Lead Plastic TSOT-23

–40°C to 150°C

LTC3803MPS6-3#PBF

LTC3803MPS6-3#TRPBF

LTCJT

6-Lead Plastic TSOT-23

–55°C to 150°C

LEAD BASED FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3803MPS6-3

LTC3803MPS6-3#TR

LTCJT

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.

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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