LTC3548-1 datasheet(2/16 Pages) LINER

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LTC3548-1

35481fc

ABSOLUTE MAXIMUM RATINGS

VIN Voltages.................................................– 0.3V to 6V

VFB1, VFB2, VOUT1, VOUT2 Voltages.... –0.3V to VIN + 0.3V

RUN1, RUN2 Voltages .................................–0.3V to VIN

SW1, SW2 Voltage........................... –0.3V to VIN + 0.3V

(Note 1)

TOP VIEW

DD PACKAGE

10-LEAD (3mm × 3mm) PLASTIC DFN

VFB2

VOUT2

RUN1

SW2

RUN2

VFB1

VOUT1

VIN

SW1

GND

TJMAX = 125°C,

θJA = 40°C/W, θJC = 3°C/W

EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB GND

(SOLDERED TO A 4-LAYER BOARD)

TOP VIEW

KD PACKAGE

10-LEAD (3mm × 3mm) PLASTIC UTDFN

VFB2

VOUT2

RUN1

SW2

RUN2

VFB1

VOUT1

VIN

SW1

GND

TJMAX = 125°C,

θJA = 43°C/W, θJC = 10°C/W

EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB GND

(SOLDERED TO A 4-LAYER BOARD)

PIN CONFIGURATION

ORDER INFORMATION

Ambient Operating Temperature Range

(Note 2)....................................................– 40°C to 85°C

Junction Temperature (Note 5) ............................. 125°C

Storage Temperature Range...................– 65°C to 125°C

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3548EDD-1#PBF

LTC3548EDD-1#TRPBF

LBZC

10-Lead (3mm

× 3mm) Plastic DFN

–40°C to 85°C

LTC3548EKD-1#PBF

LTC3548EKD-1#TRPBF

CXVT

10-Lead (3mm

× 3mm) Plastic UTDFN

–40°C to 85°C

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

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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