LTC4263-1 datasheet(2/20 Pages) LINER

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LTC4263-1

42631fa

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

Supply Voltages

VSS – VDD48 ........................................... 0.3V to –80V

VDD5........................................VSS – 0.3V to VSS + 6V

Pin Voltages and Currents

LEGACY, MIDSPAN, SD, OSC ..VSS – 0.3V to VSS +6V

LED.......................................VSS – 0.3V to VSS + 80V

OUT, ACOUT............................................ (See Note 3)

Operating Ambient Temperature Range

LTC4263CDE-1............................................ 0°C to 70°C

LTC4263IDE-1 ......................................... –40°C to 85°C

Junction Temperature (Note 4) ............................. 125°C

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

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

(Note 1, Note 2)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Supplies

VSUPPLY

Supply Voltage

VDD48 – VSS

30W Output Power

VUVLO_OFF

UVLO Turn-Off Voltage

VDD48 – VSS Decreasing

VUVLO_HYS

UVLO Hysteresis

0.1

VOVLO_OFF

OVLO Turn-Off Voltage

VDD48 – VSS Increasing

VOVLO_HYS

OVLO Hysteresis

0.2

VDD5

VDD5 Supply Voltage

Driven Externally

4.5

5.5

VDD5 Internal Supply

Driven Internally

4.3

4.4

4.5

IDD48

VDD48 Supply Current

VDD5 – VSS = 5V

Internal VDD5

IDD5

VDD5 Supply Current

VDD5 – VSS = 5V

The

l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VDD48 – VSS = 48V and VDD5 not driven externally. All voltages are

relative to VSS unless otherwise noted. (Note 2, Note 5)

PIN CONFIGURATION

VDD5

VSS

VDD48

OUT

ACOUT

LED

LEGACY

MIDSPAN

VSS

OSC

TOP VIEW

DE14 PACKAGE

14-LEAD (4mm

3mm) PLASTIC DFN

TJMAX = 125°C, θJA = 43°C/W, θJC = 4.3°C/W

EXPOSED PAD (PIN 15) IS VSS, MUST BE SOLDERED TO PCB

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4263CDE-1#PBF

LTC4263IDE-1#PBF

LTC4263CDE-1#TRPBF

LTC4263IDE-1#TRPBF

42631

14-Lead (4mm

× 3mm) Plastic DFN

14-Lead (4mm

× 3mm) Plastic DFN

0°C to 70°C

–40°C to 85°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/

ORDER INFORMATION

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