Datasheet LT8697 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | USB 5V 2.5A Output, 42V Input Synchronous Buck with Cable Drop Compensation |
| Seiten / Seite | 30 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| Dateiformat / Größe | PDF / 502 Kb |
| Dokumentensprache | Englisch |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
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LT8697
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN, EN/UV, PG, ISP, ISN ...42V SYS ...30V ICTRL RCBL ISN ISP USB5V ...3mA 24 23 22 21 BST Above SW ..4V SYNC 1 20 USB5V TR/SS, ICTRL..4V TR/SS 2 19 PG RT, RCBL ...2V RT 3 18 SYS SYNC ..6V EN/UV 4 17 INTV 25 CC Operating Junction Temperature Range (Notes 2, 3) VIN 5 GND 16 BST V 6 IN 15 SW LT8697E .. –40°C to 125°C PGND 7 14 SW LT8697I ... –40°C to 125°C PGND 8 13 SW LT8697H .. –40°C to 150°C 9 10 11 12 Storage Temperature Range .. –65°C to 150°C NC NC NC NC UDD PACKAGE 24-LEAD (3mm × 5mm) PLASTIC QFN θJA = 46°C/W, θJC = 5°C/W EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT8697EUDD#PBF LT8697EUDD#TRPBF LGGW 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C LT8697IUDD#PBF LT8697IUDD#TRPBF LGGW 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C LT8697HUDD#PBF LT8697HUDD#TRPBF LGGW 24-Lead (3mm × 5mm) Plastic QFN –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. 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/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 2, 4) PARAMETER CONDITIONS MIN TYP MAX UNIT
VIN Undervoltage Lockout l 2.9 3.4 V VIN Shutdown Current VEN/UV = 0.3V 1 3 µA l 8 µA VIN Current in Regulation VIN = 12V, ILOAD = 100µA, RT = 56.2k l 9 12 mA VIN to Disable Forced Continuous Mode VIN Rising l 27 29 31 V Output Sink Current in Forced Continuous Mode VUSB5V = 5.5V, L = 6.8µH, RT = 56.2k 0.6 1 1.7 A USB5V Voltage VIN = 12V 4.96 4.99 5.02 V l 4.91 4.99 5.04 V USB5V Voltage Line Regulation VIN = 6V to 42V l 6 25 mV Regulated Load Voltage Through 0.3Ω VIN = 12V, ILOAD = 2.1A, Voltage at Point of Load (End l 4.925 5 5.075 V of Cable), RCBL = 13.7k, RCDC = 10k, RSENSE = 20mΩ USB5V Clamp Voltage IUSB5V = 3mA 9 V 8697fb 2 For more information www.linear.com/LT8697 Document Outline Features Applications Typical Application Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN, EN/UV, PG, ISP, ISN ...42V SYS ...30V ICTRL RCBL ISN ISP USB5V ...3mA 24 23 22 21 BST Above SW ..4V SYNC 1 20 USB5V TR/SS, ICTRL..4V TR/SS 2 19 PG RT, RCBL ...2V RT 3 18 SYS SYNC ..6V EN/UV 4 17 INTV 25 CC Operating Junction Temperature Range (Notes 2, 3) VIN 5 GND 16 BST V 6 IN 15 SW LT8697E .. –40°C to 125°C PGND 7 14 SW LT8697I ... –40°C to 125°C PGND 8 13 SW LT8697H .. –40°C to 150°C 9 10 11 12 Storage Temperature Range .. –65°C to 150°C NC NC NC NC UDD PACKAGE 24-LEAD (3mm × 5mm) PLASTIC QFN θJA = 46°C/W, θJC = 5°C/W EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT8697EUDD#PBF LT8697EUDD#TRPBF LGGW 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C LT8697IUDD#PBF LT8697IUDD#TRPBF LGGW 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C LT8697HUDD#PBF LT8697HUDD#TRPBF LGGW 24-Lead (3mm × 5mm) Plastic QFN –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. 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/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 2, 4) PARAMETER CONDITIONS MIN TYP MAX UNIT
VIN Undervoltage Lockout l 2.9 3.4 V VIN Shutdown Current VEN/UV = 0.3V 1 3 µA l 8 µA VIN Current in Regulation VIN = 12V, ILOAD = 100µA, RT = 56.2k l 9 12 mA VIN to Disable Forced Continuous Mode VIN Rising l 27 29 31 V Output Sink Current in Forced Continuous Mode VUSB5V = 5.5V, L = 6.8µH, RT = 56.2k 0.6 1 1.7 A USB5V Voltage VIN = 12V 4.96 4.99 5.02 V l 4.91 4.99 5.04 V USB5V Voltage Line Regulation VIN = 6V to 42V l 6 25 mV Regulated Load Voltage Through 0.3Ω VIN = 12V, ILOAD = 2.1A, Voltage at Point of Load (End l 4.925 5 5.075 V of Cable), RCBL = 13.7k, RCDC = 10k, RSENSE = 20mΩ USB5V Clamp Voltage IUSB5V = 3mA 9 V 8697fb 2 For more information www.linear.com/LT8697 Document Outline Features Applications Typical Application Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts