Datasheet LT1176, LT1176-5 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Step-Down Switching Regulator |
| 页数 / 页 | 8 / 2 — ABSOLUTE MAXIMUM RATINGS. (Note 1). PIN CONFIGURATION. ORDER INFORMATION … |
| 文件格式/大小 | PDF / 145 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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文件文字版本
LT1176/LT1176-5
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Voltage ...38V ILIM Pin Voltage (Forced) ...5.5V Switch Voltage with Respect to Input Voltage...50V Maximum Operating Ambient Temperature Range Switch Voltage with Respect to Ground Pin LT1176C/LT1176C-5 ... 0°C to 70°C (VSW Negative) (Note 7) ..20V Maximum Operating Junction Temperature Range Feedback Pin Voltage ..–2V, 10V LT1176C/LT1176C-5 ... 0°C to 125°C Shutdown Pin Voltage (Not to Exceed VIN) ...35V Storage Temperature Range .. –65°C to 150°C Status Pin Voltage Lead Temperature (Soldering, 10 sec) ...300°C (Current Must Be Limited to 5mA When Status Pin Switches ON) ..30V *These thermal resistance numbers are for typical mounting technique. Lower thermal resistance can be obtained with large copper lands, thermal glues or heat sinks.
PIN CONFIGURATION
TOP VIEW VIN 1 20 VSW NC 2 19 NC TOP VIEW ILIM 3 18 VC VIN 1 8 VSW GND 4 17 GND ILIM 2 7 VC GND 5 16 GND GND 3 6 STATUS GND 6 15 GND FB/SENSE 4 5 SHUTDOWN GND 7 14 GND NC 8 13 STATUS N8 PACKAGE 8-LEAD PLASTIC DIP FB/SENSE 9 12 SHUTDOWN TJMAX = 125°C, θJA = 90°C/W NC 10 11 NC SW PACKAGE 20-LEAD PLASTIC SOL TJMAX = 125°C, θJA = 50°C/W
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1176CN8#PBF LT1176CN8 8-Lead Plastic DIP 0°C to 125°C LT1176CN8-5#PBF LT1176CN8-5 8-Lead Plastic DIP 0°C to 125°C LT1176CSW#PBF LT1176CSW#TRPBF LT1176CSW 20-Lead Plastic SOL 0°C to 125°C LT1176CSW-5#PBF LT1176CSW-5#TRPBF LT1176CSW-5 20-Lead Plastic SOL 0°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified 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 specifications, go to: http://www.linear.com/tapeandreel/ 11765fb 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Block Diagram Package Description Revision History Package Description
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Voltage ...38V ILIM Pin Voltage (Forced) ...5.5V Switch Voltage with Respect to Input Voltage...50V Maximum Operating Ambient Temperature Range Switch Voltage with Respect to Ground Pin LT1176C/LT1176C-5 ... 0°C to 70°C (VSW Negative) (Note 7) ..20V Maximum Operating Junction Temperature Range Feedback Pin Voltage ..–2V, 10V LT1176C/LT1176C-5 ... 0°C to 125°C Shutdown Pin Voltage (Not to Exceed VIN) ...35V Storage Temperature Range .. –65°C to 150°C Status Pin Voltage Lead Temperature (Soldering, 10 sec) ...300°C (Current Must Be Limited to 5mA When Status Pin Switches ON) ..30V *These thermal resistance numbers are for typical mounting technique. Lower thermal resistance can be obtained with large copper lands, thermal glues or heat sinks.
PIN CONFIGURATION
TOP VIEW VIN 1 20 VSW NC 2 19 NC TOP VIEW ILIM 3 18 VC VIN 1 8 VSW GND 4 17 GND ILIM 2 7 VC GND 5 16 GND GND 3 6 STATUS GND 6 15 GND FB/SENSE 4 5 SHUTDOWN GND 7 14 GND NC 8 13 STATUS N8 PACKAGE 8-LEAD PLASTIC DIP FB/SENSE 9 12 SHUTDOWN TJMAX = 125°C, θJA = 90°C/W NC 10 11 NC SW PACKAGE 20-LEAD PLASTIC SOL TJMAX = 125°C, θJA = 50°C/W
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1176CN8#PBF LT1176CN8 8-Lead Plastic DIP 0°C to 125°C LT1176CN8-5#PBF LT1176CN8-5 8-Lead Plastic DIP 0°C to 125°C LT1176CSW#PBF LT1176CSW#TRPBF LT1176CSW 20-Lead Plastic SOL 0°C to 125°C LT1176CSW-5#PBF LT1176CSW-5#TRPBF LT1176CSW-5 20-Lead Plastic SOL 0°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified 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 specifications, go to: http://www.linear.com/tapeandreel/ 11765fb 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Block Diagram Package Description Revision History Package Description