LTC3548 datasheet(2/16 Pages) LINER

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LTC3548

3548fc

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3548EDD#PBF

LTC3548EDD#TRPBF

LBNJ

10-Lead (3mm

× 3mm) Plastic DFN

–40°C to 85°C

LTC3548IDD#PBF

LTC3548IDD#TRPBF

LBNJ

10-Lead (3mm

× 3mm) Plastic DFN

–40°C to 85°C

LTC3548EMSE#PBF

LTC3548EMSE#TRPBF

LTBNH

10-Lead Plastic MSOP

–40°C to 85°C

LTC3548IMSE#PBF

LTC3548IMSE#TRPBF

LTBNH

10-Lead Plastic MSOP

–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/

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

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

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

MODE/SYNC Voltage .......................– 0.3V to VIN + 0.3V

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

POR Voltage.................................................– 0.3V to 6V

(Note 1)

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 Temperature (Soldering, 10 sec)

MSE Only.......................................................... 300°C

ABSOLUTE MAXIMUM RATINGS

PIN CONFIGURATION

ORDER INFORMATION

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

temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 3.6V, unless otherwise speciﬁed. (Note 2)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN

Operating Voltage Range

2.5

5.5

IFB

Feedback Pin Input Current

VFB

Feedback Voltage (Note 3)

0°C ≤ TA ≤ 85°C

–40°C ≤ TA ≤ 85°C

0.588

0.585

0.6

0.612

ΔVLINEREG

Reference Voltage Line Regulation

VIN = 2.5V to 5.5V (Note 3)

0.3

0.5

TOP VIEW

DD PACKAGE

10-LEAD (3mm

3mm) PLASTIC DFN

VFB2

RUN2

POR

SW2

MODE/

SYNC

VFB1

RUN1

VIN

SW1

GND

TJMAX = 125°C, θJA = 45°C/W, θJC = 3°C/W

EXPOSED PAD (PIN 11) IS PGND, MUST BE CONNECTED TO GND

(SOLDERED TO A 4-LAYER BOARD)

TOP VIEW

VFB1

RUN1

VIN

SW1

GND

VFB2

RUN2

POR

SW2

MODE/

SYNC

MSE PACKAGE

10-LEAD PLASTIC MSOP

TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W

EXPOSED PAD (PIN 11) IS PGND, MUST BE CONNECTED TO GND

(SOLDERED TO A 4-LAYER BOARD)

LTC3548 Datasheet(PDF) 2 Page - Linear Technology

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