Datasheet LT8636 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 42V, 5A/7A Peak Synchronous Step-Down Silent Switcher with 2.5µA Quiescent Current |
| 页数 / 页 | 26 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| 修订版 | A |
| 文件格式/大小 | PDF / 2.1 Mb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. PACKAGE. MSL. PART NUMBER. PART MARKING*. FINISH CODE
文件文字版本
LT8636
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN, EN/UV, PG ..42V BIAS ..25V FB, TR/SS . ...4V FB FB TR/SS RT 20 19 18 17 SYNC/MODE Voltage . ..6V Operating Junction Temperature Range (Note 2) PG 1 16 CLKOUT LT8636E .. –40°C to 125°C BIAS 2 15 SYNC/MODE LT8636J... –40°C to 150°C INTVCC 3 14 EN/UV 21 LT8636H .. –40°C to 150°C GND 4 GND 13 GND Storage Temperature Range .. –65°C to 150°C NC 5 12 NC Maximum Reflow (Package Body) Temperature ...260°C VIN 6 11 VIN 7 8 9 10 BST SW SW SW LQFN PACKAGE 20-LEAD (4mm × 3mm × 0.94mm) JEDEC BOARD: θJA = 41°C/W, ΨJT = 1.1°C/W, θJC(top) = 50.6°C/W, θJC(pad) = 8.0°C/W, (NOTE 3) DEMO BOARD: θJA = 26°C/W EXPOSED PAD (PIN 21) IS GND, SHOULD BE SOLDERED TO PCB
ORDER INFORMATION PACKAGE MSL PART NUMBER PART MARKING* FINISH CODE PAD FINISH TYPE** RATING TEMPERATURE RANGE
LT8636EV#PBF –40°C to 125°C LT8636JV#PBF 8636 e4 Au (RoHS) LQFN (Laminate Package with QFN Footprint) 3 –40°C to 150°C LT8636HV#PBF –40°C to 150°C
AUTOMOTIVE PRODUCTS***
LT8636EV#WPBF –40°C to 125°C LT8636JV#WPBF 8636 e4 Au (RoHS) LQFN (Laminate Package with QFN Footprint) 3 –40°C to 150°C LT8636HV#WPBF –40°C to 150°C • Contact the factory for parts specified with wider operating temperature • Recommended PCB Assembly and Manufacturing Procedures ranges. *Device temperature grade is identified by a label on the • Package and Tray Drawings shipping container. • Pad finish code is per IPC/JEDEC J-STD-609. Parts ending with PBF are RoHS and WEEE compliant. **The LT8636 package has the same dimensions as a standard 4mm × 3mm QFN package.
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Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for these models. Rev. A 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Applications Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN, EN/UV, PG ..42V BIAS ..25V FB, TR/SS . ...4V FB FB TR/SS RT 20 19 18 17 SYNC/MODE Voltage . ..6V Operating Junction Temperature Range (Note 2) PG 1 16 CLKOUT LT8636E .. –40°C to 125°C BIAS 2 15 SYNC/MODE LT8636J... –40°C to 150°C INTVCC 3 14 EN/UV 21 LT8636H .. –40°C to 150°C GND 4 GND 13 GND Storage Temperature Range .. –65°C to 150°C NC 5 12 NC Maximum Reflow (Package Body) Temperature ...260°C VIN 6 11 VIN 7 8 9 10 BST SW SW SW LQFN PACKAGE 20-LEAD (4mm × 3mm × 0.94mm) JEDEC BOARD: θJA = 41°C/W, ΨJT = 1.1°C/W, θJC(top) = 50.6°C/W, θJC(pad) = 8.0°C/W, (NOTE 3) DEMO BOARD: θJA = 26°C/W EXPOSED PAD (PIN 21) IS GND, SHOULD BE SOLDERED TO PCB
ORDER INFORMATION PACKAGE MSL PART NUMBER PART MARKING* FINISH CODE PAD FINISH TYPE** RATING TEMPERATURE RANGE
LT8636EV#PBF –40°C to 125°C LT8636JV#PBF 8636 e4 Au (RoHS) LQFN (Laminate Package with QFN Footprint) 3 –40°C to 150°C LT8636HV#PBF –40°C to 150°C
AUTOMOTIVE PRODUCTS***
LT8636EV#WPBF –40°C to 125°C LT8636JV#WPBF 8636 e4 Au (RoHS) LQFN (Laminate Package with QFN Footprint) 3 –40°C to 150°C LT8636HV#WPBF –40°C to 150°C • Contact the factory for parts specified with wider operating temperature • Recommended PCB Assembly and Manufacturing Procedures ranges. *Device temperature grade is identified by a label on the • Package and Tray Drawings shipping container. • Pad finish code is per IPC/JEDEC J-STD-609. Parts ending with PBF are RoHS and WEEE compliant. **The LT8636 package has the same dimensions as a standard 4mm × 3mm QFN package.
***
Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for these models. Rev. A 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Applications Related Parts