Datasheet LTC3548A (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Dual Synchronous 400mA/800mA, 2.25MHz Step-Down DC/DC Regulator |
| 页数 / 页 | 20 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. … |
| 文件格式/大小 | PDF / 255 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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LTC3548A
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN Voltage ...– 0.3V to 6V Operating Junction Temperature Range VFB1, VFB2 Voltages ... –0.3V to 1.5V (Notes 2, 5) .. –40°C to 125°C RUN/SS1, RUN/SS2 Voltages .. –0.3V to VIN + 0.3V Storage Temperature Range .. –65°C to 150°C MODE/SYNC Voltage ... –0.3V to VIN + 0.3V Lead Temperature (Soldering, 10 sec) SW1, SW2 Voltages ... –0.3V to VIN + 0.3V MSOP ... 300°C POR Voltage ... –0.3V to 6V
PIN CONFIGURATION
TOP VIEW TOP VIEW VFB1 1 10 VFB2 V 1 FB1 10 VFB2 RUN/SS1 2 9 RUN/SS2 RUN/SS1 2 9 RUN/SS2 V 11 POR IN 3 11 8 POR V 3 IN 8 SW1 4 7 SW2 SW1 4 7 SW2 NC 5 6 MODE/SYNC NC 5 6 MODE/SYNC MSE PACKAGE 10-LEAD PLASTIC MSOP DD PACKAGE T 10-LEAD (3mm s 3mm) PLASTIC DFN JMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO GND TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO GND
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING
*
PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3548AEDD#PBF LTC3548AEDD#TRPBF LFKV 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LTC3548AEMSE#PBF LTC3548AEMSE#TRPBF LTFKW 10-Lead Plastic MSOP –40°C to 125°C LTC3548AIDD#PBF LTC3548AIDD#TRPBF LFKV 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LTC3548AIMSE#PBF LTC3548AIMSE#TRPBF LTFKW 10-Lead Plastic MSOP –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed 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 specifi cations, go to: http://www.linear.com/tapeandreel/ 3548afa 2
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN Voltage ...– 0.3V to 6V Operating Junction Temperature Range VFB1, VFB2 Voltages ... –0.3V to 1.5V (Notes 2, 5) .. –40°C to 125°C RUN/SS1, RUN/SS2 Voltages .. –0.3V to VIN + 0.3V Storage Temperature Range .. –65°C to 150°C MODE/SYNC Voltage ... –0.3V to VIN + 0.3V Lead Temperature (Soldering, 10 sec) SW1, SW2 Voltages ... –0.3V to VIN + 0.3V MSOP ... 300°C POR Voltage ... –0.3V to 6V
PIN CONFIGURATION
TOP VIEW TOP VIEW VFB1 1 10 VFB2 V 1 FB1 10 VFB2 RUN/SS1 2 9 RUN/SS2 RUN/SS1 2 9 RUN/SS2 V 11 POR IN 3 11 8 POR V 3 IN 8 SW1 4 7 SW2 SW1 4 7 SW2 NC 5 6 MODE/SYNC NC 5 6 MODE/SYNC MSE PACKAGE 10-LEAD PLASTIC MSOP DD PACKAGE T 10-LEAD (3mm s 3mm) PLASTIC DFN JMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO GND TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO GND
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING
*
PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3548AEDD#PBF LTC3548AEDD#TRPBF LFKV 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LTC3548AEMSE#PBF LTC3548AEMSE#TRPBF LTFKW 10-Lead Plastic MSOP –40°C to 125°C LTC3548AIDD#PBF LTC3548AIDD#TRPBF LFKV 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LTC3548AIMSE#PBF LTC3548AIMSE#TRPBF LTFKW 10-Lead Plastic MSOP –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed 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 specifi cations, go to: http://www.linear.com/tapeandreel/ 3548afa 2