Datasheet LT8610 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 42V, 2.5A Synchronous Step-Down Regulator with 2.5μA Quiescent Current |
| 页数 / 页 | 22 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| 文件格式/大小 | PDF / 308 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
该数据表的模型线
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LT8610
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN, EN/UV, PG ..42V TOP VIEW BIAS ..30V SYNC 1 16 FB TR/SS 2 15 PG BST Pin Above SW Pin..4V RT 3 14 BIAS EN/UV 4 17 13 INTVCC FB, TR/SS, RT, INTVCC . ..4V V 5 IN GND 12 BST V 6 11 SW SYNC Voltage . ..6V IN PGND 7 10 SW PGND 8 9 SW Operating Junction Temperature Range (Note 2) MSE PACKAGE LT8610E ... –40 to 125°C 16-LEAD PLASTIC MSOP LT8610I .. –40 to 125°C θJA = 40°C/W, θJC(PAD) = 10°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB LT8610H ..–40 to 150°C Storage Temperature Range ..–65 to 150°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT8610EMSE#PBF LT8610EMSE#TRPBF 8610 16-Lead Plastic MSOP –40°C to 125°C LT8610IMSE#PBF LT8610IMSE#TRPBF 8610 16-Lead Plastic MSOP –40°C to 125°C LT8610HMSE#PBF LT8610HMSE#TRPBF 8610 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/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage l 2.9 3.4 V VIN Quiescent Current VEN/UV = 0V, VSYNC = 0V 1.0 3 µA l 1.0 8 µA VEN/UV = 2V, Not Switching, VSYNC = 0V 1.7 4 µA l 1.7 10 µA VEN/UV = 2V, Not Switching, VSYNC = 2V 0.24 0.5 mA VIN Current in Regulation VOUT = 0.97V, VIN = 6V, Output Load = 100µA l 24 50 µA VOUT = 0.97V, VIN = 6V, Output Load = 1mA l 210 350 µA Feedback Reference Voltage VIN = 6V, ILOAD = 0.5A 0.964 0.970 0.976 V VIN = 6V, ILOAD = 0.5A l 0.958 0.970 0.982 V Feedback Voltage Line Regulation VIN = 4.0V to 42V, ILOAD = 0.5A l 0.004 0.02 %/V Feedback Pin Input Current VFB = 1V –20 20 nA INTVCC Voltage ILOAD = 0mA, VBIAS = 0V 3.23 3.4 3.57 V ILOAD = 0mA, VBIAS = 3.3V 3.25 3.29 3.35 V INTVCC Undervoltage Lockout 2.5 2.6 2.7 V BIAS Pin Current Consumption VBIAS = 3.3V, ILOAD = 1A, 2MHz 8.5 mA Minimum On-Time ILOAD = 1A, SYNC = 0V l 30 50 70 ns ILOAD = 1A, SYNC = 3.3V l 30 45 65 ns Minimum Off-Time 50 80 110 ns 8610fa 2 For more information www.linear.com/LT8610 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN, EN/UV, PG ..42V TOP VIEW BIAS ..30V SYNC 1 16 FB TR/SS 2 15 PG BST Pin Above SW Pin..4V RT 3 14 BIAS EN/UV 4 17 13 INTVCC FB, TR/SS, RT, INTVCC . ..4V V 5 IN GND 12 BST V 6 11 SW SYNC Voltage . ..6V IN PGND 7 10 SW PGND 8 9 SW Operating Junction Temperature Range (Note 2) MSE PACKAGE LT8610E ... –40 to 125°C 16-LEAD PLASTIC MSOP LT8610I .. –40 to 125°C θJA = 40°C/W, θJC(PAD) = 10°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB LT8610H ..–40 to 150°C Storage Temperature Range ..–65 to 150°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT8610EMSE#PBF LT8610EMSE#TRPBF 8610 16-Lead Plastic MSOP –40°C to 125°C LT8610IMSE#PBF LT8610IMSE#TRPBF 8610 16-Lead Plastic MSOP –40°C to 125°C LT8610HMSE#PBF LT8610HMSE#TRPBF 8610 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/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage l 2.9 3.4 V VIN Quiescent Current VEN/UV = 0V, VSYNC = 0V 1.0 3 µA l 1.0 8 µA VEN/UV = 2V, Not Switching, VSYNC = 0V 1.7 4 µA l 1.7 10 µA VEN/UV = 2V, Not Switching, VSYNC = 2V 0.24 0.5 mA VIN Current in Regulation VOUT = 0.97V, VIN = 6V, Output Load = 100µA l 24 50 µA VOUT = 0.97V, VIN = 6V, Output Load = 1mA l 210 350 µA Feedback Reference Voltage VIN = 6V, ILOAD = 0.5A 0.964 0.970 0.976 V VIN = 6V, ILOAD = 0.5A l 0.958 0.970 0.982 V Feedback Voltage Line Regulation VIN = 4.0V to 42V, ILOAD = 0.5A l 0.004 0.02 %/V Feedback Pin Input Current VFB = 1V –20 20 nA INTVCC Voltage ILOAD = 0mA, VBIAS = 0V 3.23 3.4 3.57 V ILOAD = 0mA, VBIAS = 3.3V 3.25 3.29 3.35 V INTVCC Undervoltage Lockout 2.5 2.6 2.7 V BIAS Pin Current Consumption VBIAS = 3.3V, ILOAD = 1A, 2MHz 8.5 mA Minimum On-Time ILOAD = 1A, SYNC = 0V l 30 50 70 ns ILOAD = 1A, SYNC = 3.3V l 30 45 65 ns Minimum Off-Time 50 80 110 ns 8610fa 2 For more information www.linear.com/LT8610 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts