LTC3824 datasheet(2/12 Pages) LINER

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LTC3824

3824fc

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

VCC ...........................................................................65V

SS, RSET, VFB ..............................................................4V

VC ...............................................................................3V

SYNC/MODE ...............................................................6V

VCC – VSENSE ..............................................................1V

Maximum Temperatures (Note 2)

LTC3824E............................................. –40°C to 85°C

LTC3824I............................................ –40°C to 125°C

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

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

(Note 1)

GND

SYNC/MODE

RSET

VFB

CAP

GATE

VCC

SENSE

TOP VIEW

MSE PACKAGE

10-LEAD PLASTIC MSOP

TJMAX = 125°C, θJA = 43°C/W, θJC = 3°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

LTC3824EMSE#PBF

LTC3824EMSE#TRPBF

LTBRZ

10-Lead Plastic MSOP

–40°C to 85°C

LTC3824IMSE#PBF

LTC3824IMSE#TRPBF

LTCGZ

10-Lead Plastic MSOP

–40°C to 125°C

LEAD BASED FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3824EMSE

LTC3824EMSE#TR

LTBRZ

10-Lead Plastic MSOP

–40°C to 85°C

LTC3824IMSE

LTC3824IMSE#TR

LTCGZ

10-Lead Plastic MSOP

–40°C to 125°C

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

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/

ELECTRICAL CHARACTERISTICS The l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VCC = 12V, RSET = 392k, CCAP = 0.1μF. No load on any outputs, unless

otherwise speciﬁed.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage (VCC)

460

Supply Current (IVCC)VC ≤ 0.4V (Switching Off), VCC ≤ 60V

VSYNC = 0V (Burst Mode Operation Disable)

0.8

1.3

Supply Current (IVCC) Burst Mode Operation

VCC ≤ 60V, SYNC/MODE Open, VC = 0.6V

μA

Supply Current in Shutdown

VC ≤ 25mV, VCC ≤ 60V

μA

VOLTAGE AMPLIFIER gm

Reference Voltage (VREF)

0.792

0.788

0.8

0.808

0.812

Transconductance

VC = 0.8V, ΔIVC = ±2μA

220

260

370

μmho

FB Input Current

VFB = VREF (Note 3)

VC High

IVC = 0

1.6

VC Low

IVC = 0

0.35

0.5

VC Source Current

VVC = 0.5V to 1.3V, VFB = VREF –100mV (VSYNC = 0V)

μA

VC Sink Current

VVC = 0.7V to 1.3V, VFB = VREF +100mV (VSYNC = 0V)

μA

LTC3824 Datasheet(PDF) 2 Page - Linear Technology

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