Datasheet LTC3859AL (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Triple Output, Buck/Buck/Boost Synchronous Controller with 28μA Burst Mode IQ |
| Pages / Page | 44 / 3 — ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING*. … |
| Revision | B |
| File Format / Size | PDF / 1.2 Mb |
| Document Language | English |
ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING*. PACKAGE DESCRIPTION. TEMPERATURE RANGE. ELECTRICAL
Model Line for this Datasheet
Text Version of Document
LTC3859AL
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3859ALEFE#PBF LTC3859ALEFE#TRPBF LTC3859ALFE 38-Lead Plastic TSSOP –40°C to 125°C LTC3859ALIFE#PBF LTC3859ALIFE#TRPBF LTC3859ALFE 38-Lead Plastic TSSOP –40°C to 125°C LTC3859ALHFE#PBF LTC3859ALHFE#TRPBF LTC3859ALFE 38-Lead Plastic TSSOP –40°C to 150°C LTC3859ALMPFE#PBF LTC3859ALMPFE#TRPBF LTC3859ALFE 38-Lead Plastic TSSOP –55°C to 150°C LTC3859ALEUHF#PBF LTC3859ALEUHF#TRPBF 3859AL 38-Lead (5mm × 7mm) Plastic QFN –40°C to 125°C LTC3859ALIUHF#PBF LTC3859ALIUHF#TRPBF 3859AL 38-Lead (5mm × 7mm) Plastic QFN –40°C to 125°C LTC3859ALHUHF#PBF LTC3859ALHUHF#TRPBF 3859AL 38-Lead (5mm × 7mm) Plastic QFN –40°C to 150°C LTC3859ALMPUHF#PBF LTC3859ALMPUHF#TRPBF 3859AL 38-Lead (5mm × 7mm) Plastic QFN –55°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.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C. VBIAS = 12V, VRUN1,2,3 = 5V, EXTVCC = 0V unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VBIAS Bias Input Supply Operating Voltage 4.5 38 V Range VFB1,2 Buck Regulated Feedback Voltage (Note 4); ITH1,2 Voltage = 1.2V 0°C to 85°C, All Grades 0.792 0.800 0.808 V LTC3859ALE, LTC3859ALI l 0.788 0.800 0.812 V LTC3859ALH, LTC3859ALMP l 0.786 0.800 0.812 V VFB3 Boost Regulated Feedback Voltage (Note 4); ITH3 Voltage = 1.2V 0°C to 85°C, All Grades 1.183 1.200 1.214 V LTC3859ALE, LTC3859ALI l 1.181 1.200 1.218 V LTC3859ALH, LTC3859ALMP l 1.176 1.200 1.218 V IFB1,2,3 Feedback Current (Note 4) –2 ±50 nA VREFLNREG Reference Voltage Line Regulation (Note 4); VBIAS = 4.5V to 38V 0.002 0.02 %/V VLOADREG Output Voltage Load Regulation (Note 4) Measured in Servo Loop; l 0.01 0.1 % DITH Voltage = 1.2V to 0.7V Measured in Servo Loop; l –0.01 –0.1 % DITH Voltage = 1.2V to 2V gm1,2,3 Transconductance Amplifier gm (Note 4); ITH1,2,3 = 1.2V; 2 mmho Sink/Source 5µA Rev. B 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 Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3859ALEFE#PBF LTC3859ALEFE#TRPBF LTC3859ALFE 38-Lead Plastic TSSOP –40°C to 125°C LTC3859ALIFE#PBF LTC3859ALIFE#TRPBF LTC3859ALFE 38-Lead Plastic TSSOP –40°C to 125°C LTC3859ALHFE#PBF LTC3859ALHFE#TRPBF LTC3859ALFE 38-Lead Plastic TSSOP –40°C to 150°C LTC3859ALMPFE#PBF LTC3859ALMPFE#TRPBF LTC3859ALFE 38-Lead Plastic TSSOP –55°C to 150°C LTC3859ALEUHF#PBF LTC3859ALEUHF#TRPBF 3859AL 38-Lead (5mm × 7mm) Plastic QFN –40°C to 125°C LTC3859ALIUHF#PBF LTC3859ALIUHF#TRPBF 3859AL 38-Lead (5mm × 7mm) Plastic QFN –40°C to 125°C LTC3859ALHUHF#PBF LTC3859ALHUHF#TRPBF 3859AL 38-Lead (5mm × 7mm) Plastic QFN –40°C to 150°C LTC3859ALMPUHF#PBF LTC3859ALMPUHF#TRPBF 3859AL 38-Lead (5mm × 7mm) Plastic QFN –55°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.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C. VBIAS = 12V, VRUN1,2,3 = 5V, EXTVCC = 0V unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VBIAS Bias Input Supply Operating Voltage 4.5 38 V Range VFB1,2 Buck Regulated Feedback Voltage (Note 4); ITH1,2 Voltage = 1.2V 0°C to 85°C, All Grades 0.792 0.800 0.808 V LTC3859ALE, LTC3859ALI l 0.788 0.800 0.812 V LTC3859ALH, LTC3859ALMP l 0.786 0.800 0.812 V VFB3 Boost Regulated Feedback Voltage (Note 4); ITH3 Voltage = 1.2V 0°C to 85°C, All Grades 1.183 1.200 1.214 V LTC3859ALE, LTC3859ALI l 1.181 1.200 1.218 V LTC3859ALH, LTC3859ALMP l 1.176 1.200 1.218 V IFB1,2,3 Feedback Current (Note 4) –2 ±50 nA VREFLNREG Reference Voltage Line Regulation (Note 4); VBIAS = 4.5V to 38V 0.002 0.02 %/V VLOADREG Output Voltage Load Regulation (Note 4) Measured in Servo Loop; l 0.01 0.1 % DITH Voltage = 1.2V to 0.7V Measured in Servo Loop; l –0.01 –0.1 % DITH Voltage = 1.2V to 2V gm1,2,3 Transconductance Amplifier gm (Note 4); ITH1,2,3 = 1.2V; 2 mmho Sink/Source 5µA Rev. B 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 Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
