LTC3548EKD-1 Ver la hoja de datos (PDF) - Linear Technology

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componentes Descripción

Fabricante

LTC3548EKD-1

Dual Synchronous, Fixed Output 2.25MHz Step-Down DC/DC Regulator

Linear Technology 

LTC3548-1

ABSOLUTE MAXIMUM RATINGS (Note 1)

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

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

PIN CONFIGURATION

TOP VIEW

VFB1 1

VOUT1

VIN

2

3

SW1

4

GND

5

10 VFB2

9 VOUT2

11

8 RUN1

7 SW2

6 RUN2

DD PACKAGE

10-LEAD (3mm × 3mm) PLASTIC DFN

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

VFB1 1

VOUT1 2

VIN 3

SW1 4

GND 5

10 VFB2

9 VOUT2

11

8 RUN1

7 SW2

6 RUN2

KD PACKAGE

10-LEAD (3mm × 3mm) PLASTIC UTDFN

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)

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING PACKAGE DESCRIPTION

LTC3548EDD-1#PBF

LTC3548EDD-1#TRPBF

LBZC

10-Lead (3mm × 3mm) Plastic DFN

LTC3548EKD-1#PBF

LTC3548EKD-1#TRPBF

CXVT

10-Lead (3mm × 3mm) Plastic UTDFN

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/

TEMPERATURE RANGE

–40°C to 85°C

–40°C to 85°C

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