LTC4263CS datasheet(2/24 Pages) LINER

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LTC4263

4263fe

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, ENFCLS, PWRMGT

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

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

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

(Notes 1, 2)

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. (Notes 2, 5)

Operating Ambient Temperature Range

LTC4263C................................................ 0°C to 70°C

LTC4263I............................................. –40°C to 85°C

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

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

Lead Temperature (Soldering, 10 sec)

SO..................................................................... 300°C

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Supplies

VSUPPLY

48V Supply Voltage

VDD48 – VSS

To Maintain IEEE Compliant Output

VUVLO_OFF

UVLO Turn-Off Voltage

VDD48 – VSS Decreasing

VUVLO_HYS UVLO Hysteresis

0.1

VDD5

ENFCLS

VDD48

OUT

ACOUT

LED

LEGACY

MIDSPAN

PWRMGT

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

TOP VIEW

S PACKAGE

14-LEAD PLASTIC SO

LED

LEGACY

MIDSPAN

PWRMGT

VSS

OSC

VDD5

ENFCLS

VDD48

OUT

ACOUT

TJMAX = 125°C, θJA = 90°C/W, θJC = 37°C/W

PIN CONFIGURATION

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4263CDE#PBF

LTC4263CDE#TRPBF

4263

14-Lead (4mm × 3mm) Plastic DFN

0°C to 70°C

LTC4263IDE#PBF

LTC4263IDE#TRPBF

4263

14-Lead (4mm × 3mm) Plastic DFN

–40°C to 85°C

LTC4263CS#PBF

LTC4263CS#TRPBF

4263CS

14-Lead Plastic SO

0°C to 70°C

LTC4263IS#PBF

LTC4263IS#TRPBF

4263IS

14-Lead Plastic SO

–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.

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/

LTC4263CS Datasheet(PDF) 2 Page - Linear Technology

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