Datasheet LT3668 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 40V 400mA Step-Down Switching Regulator with Dual Fault Protected Tracking LDOs |
| 页数 / 页 | 28 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Notes 1, 2). ORDER … |
| 文件格式/大小 | PDF / 386 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Notes 1, 2). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING
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LT3668
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Notes 1, 2)
ADJ2, ADJ3 Voltage ..±45V TOP VIEW OUT2, OUT3 Voltage ...±45V SW 1 16 DA BOOST 2 15 IN1 IN2 Voltage ...±45V EN 3 14 PG RT 4 17 13 EN3/ILIM3 OUT2 – IN2 Differential Voltage ..±45V IN3/BD 5 GND 12 EN2/ILIM2 OUT3 6 11 IN2 OUT3 – IN3/BD Differential Voltage ..±45V ADJ3 7 10 OUT2 FB1 8 9 ADJ2 OUT2 – ADJ2 Differential Voltage ...±45V MSE PACKAGE OUT3 – ADJ3 Differential Voltage ...±45V 16-LEAD PLASTIC MSOP IN1, EN Voltage (Note 3) ...60V θJA = 40°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB IN1 Reverse Voltage ...–0.3V EN Pin Current ...–1mA IN3/BD Voltage ...30V BOOST Pin Voltage ...50V BOOST Pin Above SW Pin ...30V RT Voltage ..2V FB1 Voltage ...6V EN2/ILIM2, EN3/ILIM3 Voltage ...4V PG Voltage ..30V Operating Junction Temperature Range (Notes 4, 5) E-, I-Grade ... −40°C to 125°C H-Grade ... −40°C to 150°C Storage Temperature Range .. −65°C to 150°C Lead Temperature (Soldering, 10 sec) ...300°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3668EMSE#PBF LT3668EMSE#TRPBF 3668 16-Lead Plastic MSOP –40°C to 125°C LT3668IMSE#PBF LT3668IMSE#TRPBF 3668 16-Lead Plastic MSOP –40°C to 125°C LT3668HMSE#PBF LT3668HMSE#TRPBF 3668 16-Lead Plastic MSOP –40°C to 150°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/ 3668fa 2 For more information www.linear.com/LT3668 Document Outline Features Applications Description Typical Application Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Notes 1, 2)
ADJ2, ADJ3 Voltage ..±45V TOP VIEW OUT2, OUT3 Voltage ...±45V SW 1 16 DA BOOST 2 15 IN1 IN2 Voltage ...±45V EN 3 14 PG RT 4 17 13 EN3/ILIM3 OUT2 – IN2 Differential Voltage ..±45V IN3/BD 5 GND 12 EN2/ILIM2 OUT3 6 11 IN2 OUT3 – IN3/BD Differential Voltage ..±45V ADJ3 7 10 OUT2 FB1 8 9 ADJ2 OUT2 – ADJ2 Differential Voltage ...±45V MSE PACKAGE OUT3 – ADJ3 Differential Voltage ...±45V 16-LEAD PLASTIC MSOP IN1, EN Voltage (Note 3) ...60V θJA = 40°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB IN1 Reverse Voltage ...–0.3V EN Pin Current ...–1mA IN3/BD Voltage ...30V BOOST Pin Voltage ...50V BOOST Pin Above SW Pin ...30V RT Voltage ..2V FB1 Voltage ...6V EN2/ILIM2, EN3/ILIM3 Voltage ...4V PG Voltage ..30V Operating Junction Temperature Range (Notes 4, 5) E-, I-Grade ... −40°C to 125°C H-Grade ... −40°C to 150°C Storage Temperature Range .. −65°C to 150°C Lead Temperature (Soldering, 10 sec) ...300°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3668EMSE#PBF LT3668EMSE#TRPBF 3668 16-Lead Plastic MSOP –40°C to 125°C LT3668IMSE#PBF LT3668IMSE#TRPBF 3668 16-Lead Plastic MSOP –40°C to 125°C LT3668HMSE#PBF LT3668HMSE#TRPBF 3668 16-Lead Plastic MSOP –40°C to 150°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/ 3668fa 2 For more information www.linear.com/LT3668 Document Outline Features Applications Description Typical Application Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Related Parts