Datasheet LTC3548-1 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Dual Synchronous, Fixed Output 2.25MHz Step-Down DC/DC Regulator |
| 页数 / 页 | 16 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. … |
| 文件格式/大小 | PDF / 332 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING
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LTC3548-1
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN Voltages ...– 0.3V to 6V Ambient Operating Temperature Range VFB1, VFB2, VOUT1, VOUT2 Voltages .. –0.3V to VIN + 0.3V (Note 2) ..– 40°C to 85°C RUN1, RUN2 Voltages ...–0.3V to VIN Junction Temperature (Note 5) ... 125°C SW1, SW2 Voltage ... –0.3V to VIN + 0.3V Storage Temperature Range ...– 65°C to 125°C
PIN CONFIGURATION
TOP VIEW TOP VIEW V 1 10 V FB1 FB2 V 1 10 V FB1 FB2 VOUT1 2 9 VOUT2 V 2 9 V V OUT1 OUT2 IN 3 11 8 RUN1 V 3 11 8 RUN1 SW1 IN 4 7 SW2 SW1 4 7 SW2 GND 5 6 RUN2 GND 5 6 RUN2 DD PACKAGE KD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN 10-LEAD (3mm × 3mm) PLASTIC UTDFN TJMAX = 125°C, θJA = 40°C/W, θJC = 3°C/W TJMAX = 125°C, θJA = 43°C/W, θJC = 10°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB GND EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB GND (SOLDERED TO A 4-LAYER BOARD) (SOLDERED TO A 4-LAYER BOARD)
ORDER INFORMATION 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 specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 35481fc 2
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN Voltages ...– 0.3V to 6V Ambient Operating Temperature Range VFB1, VFB2, VOUT1, VOUT2 Voltages .. –0.3V to VIN + 0.3V (Note 2) ..– 40°C to 85°C RUN1, RUN2 Voltages ...–0.3V to VIN Junction Temperature (Note 5) ... 125°C SW1, SW2 Voltage ... –0.3V to VIN + 0.3V Storage Temperature Range ...– 65°C to 125°C
PIN CONFIGURATION
TOP VIEW TOP VIEW V 1 10 V FB1 FB2 V 1 10 V FB1 FB2 VOUT1 2 9 VOUT2 V 2 9 V V OUT1 OUT2 IN 3 11 8 RUN1 V 3 11 8 RUN1 SW1 IN 4 7 SW2 SW1 4 7 SW2 GND 5 6 RUN2 GND 5 6 RUN2 DD PACKAGE KD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN 10-LEAD (3mm × 3mm) PLASTIC UTDFN TJMAX = 125°C, θJA = 40°C/W, θJC = 3°C/W TJMAX = 125°C, θJA = 43°C/W, θJC = 10°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB GND EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB GND (SOLDERED TO A 4-LAYER BOARD) (SOLDERED TO A 4-LAYER BOARD)
ORDER INFORMATION 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 specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 35481fc 2