Datasheet LT8602 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | 42V Quad Monolithic Synchronous Step-Down Regulator |
| Seiten / Seite | 30 / 3 — ORDER INFORMATION. TAPE AND REEL (QFN)/. MSL. LEAD FREE FINISH. TRAY … |
| Revision | C |
| Dateiformat / Größe | PDF / 2.7 Mb |
| Dokumentensprache | Englisch |
ORDER INFORMATION. TAPE AND REEL (QFN)/. MSL. LEAD FREE FINISH. TRAY (LXE). PART MARKING*. PACKAGE DESCRIPTION
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LT8602
ORDER INFORMATION TAPE AND REEL (QFN)/ MSL LEAD FREE FINISH TRAY (LXE) PART MARKING* PACKAGE DESCRIPTION RATING TEMPERATURE RANGE AUTOMOTIVE PRODUCTS**
LT8602EUJ#WPBF LT8602EUJ#WTRPBF LT8602UJ 40-Lead (6mm × 6mm) Plastic QFN 1 –40°C to 125°C LT8602IUJ#WPBF LT8602IUJ#WTRPBF LT8602UJ 40-Lead (6mm × 6mm) Plastic QFN 1 –40°C to 125°C LT8602JUJ#WPBF LT8602JUJ#WTRPBF LT8602UJ 40-Lead (6mm × 6mm) Plastic QFN 1 –40°C to 150°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
**
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.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at TA = 25°C. VIN = PVIN1 = PVIN2 = 12V, EN/UVLO = 3V, PVIN3 = PVIN4 = 3.3V unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Operating Voltage l 2.7 3 V Minimum Operating Voltage, to Start l 3.1 3.5 V VIN Quiescent Current, Shutdown EN/UVLO = 0.4V 0.1 1 µA VIN Quiescent Current, Operating No Load (Note 4) 30 µA 100µA on VOUT2 (Note 4) 70 µA EN/UVLO Threshold EN/UVLO Rising 1.15 1.2 1.25 V EN/UVLO Hysteresis 50 mV EN/UVLO Input Current EN/UVLO = 2V –40 40 nA
Oscillator
Switching Frequency RT = 28.9k, E-, I-Grade l 1.8 2 2.2 MHz RT = 28.9k, J-Grade l 1.75 2 2.2 MHz RT = 254k, E-, I-Grade l 0.225 0.25 0.275 MHz RT = 254k, J-Grade l 0.224 0.25 0.284 MHz SYNC Input Frequency Range l 0.25 2.2 MHz SYNC Input Voltage Low l 0.3 V SYNC Input Voltage High l 1.2 V SYNC Input Current –100 100 nA
Channel 1
Feedback Voltage FB1 E-, I-Grade l 0.988 1 1.012 V J-Grade l 0.98 1 1.015 V FB Voltage Line Regulation VIN = 3V to 42V 0.002 0.01 %/V Input Current FB1 l –100 100 nA SW1 Peak Current Limit VIN = PVIN1 = 6V 2.3 2.7 3.0 A SW1 Leakage Current 0.1 1 µA SW1 Top On Resistance ISW1 = 1A 240 mΩ SW1 Bottom On Resistance ISW1 = 1A 170 mΩ Lower FB1 Power Good Threshold Percentage of VFB1 l 89 92 95 % Upper FB1 Power Good Threshold Percentage of VFB1 l 105 108 111 % PG1 Output Voltage Low IPG1 = –100μA l 0.1 0.2 V Rev. C For more information www.analog.com 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Package Description Revision History Typical Application Related Parts
ORDER INFORMATION TAPE AND REEL (QFN)/ MSL LEAD FREE FINISH TRAY (LXE) PART MARKING* PACKAGE DESCRIPTION RATING TEMPERATURE RANGE AUTOMOTIVE PRODUCTS**
LT8602EUJ#WPBF LT8602EUJ#WTRPBF LT8602UJ 40-Lead (6mm × 6mm) Plastic QFN 1 –40°C to 125°C LT8602IUJ#WPBF LT8602IUJ#WTRPBF LT8602UJ 40-Lead (6mm × 6mm) Plastic QFN 1 –40°C to 125°C LT8602JUJ#WPBF LT8602JUJ#WTRPBF LT8602UJ 40-Lead (6mm × 6mm) Plastic QFN 1 –40°C to 150°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
**
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.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at TA = 25°C. VIN = PVIN1 = PVIN2 = 12V, EN/UVLO = 3V, PVIN3 = PVIN4 = 3.3V unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Operating Voltage l 2.7 3 V Minimum Operating Voltage, to Start l 3.1 3.5 V VIN Quiescent Current, Shutdown EN/UVLO = 0.4V 0.1 1 µA VIN Quiescent Current, Operating No Load (Note 4) 30 µA 100µA on VOUT2 (Note 4) 70 µA EN/UVLO Threshold EN/UVLO Rising 1.15 1.2 1.25 V EN/UVLO Hysteresis 50 mV EN/UVLO Input Current EN/UVLO = 2V –40 40 nA
Oscillator
Switching Frequency RT = 28.9k, E-, I-Grade l 1.8 2 2.2 MHz RT = 28.9k, J-Grade l 1.75 2 2.2 MHz RT = 254k, E-, I-Grade l 0.225 0.25 0.275 MHz RT = 254k, J-Grade l 0.224 0.25 0.284 MHz SYNC Input Frequency Range l 0.25 2.2 MHz SYNC Input Voltage Low l 0.3 V SYNC Input Voltage High l 1.2 V SYNC Input Current –100 100 nA
Channel 1
Feedback Voltage FB1 E-, I-Grade l 0.988 1 1.012 V J-Grade l 0.98 1 1.015 V FB Voltage Line Regulation VIN = 3V to 42V 0.002 0.01 %/V Input Current FB1 l –100 100 nA SW1 Peak Current Limit VIN = PVIN1 = 6V 2.3 2.7 3.0 A SW1 Leakage Current 0.1 1 µA SW1 Top On Resistance ISW1 = 1A 240 mΩ SW1 Bottom On Resistance ISW1 = 1A 170 mΩ Lower FB1 Power Good Threshold Percentage of VFB1 l 89 92 95 % Upper FB1 Power Good Threshold Percentage of VFB1 l 105 108 111 % PG1 Output Voltage Low IPG1 = –100μA l 0.1 0.2 V Rev. C For more information www.analog.com 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Package Description Revision History Typical Application Related Parts