Datasheet LTC3897 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | PolyPhase Synchronous Boost Controller with Input/Output Protection |
| Pages / Page | 50 / 3 — ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*. PACKAGE … |
| Revision | A |
| File Format / Size | PDF / 3.9 Mb |
| Document Language | English |
ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*. PACKAGE DESCRIPTION. TEMPERATURE RANGE
Model Line for this Datasheet
Text Version of Document
LTC3897
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3897EUHF#PBF LTC3897EUHF#TRPBF 3897 38-Lead (5mm x 7mm) Plastic QFN –40°C to 125°C LTC3897IUHF#PBF LTC3897IUHF#TRPBF 3897 38-Lead (5mm x 7mm) Plastic QFN –40°C to 125°C LTC3897HUHF#PBF LTC3897HUHF#TRPBF 3897 38-Lead (5mm x 7mm) Plastic QFN –40°C to 150°C LTC3897EFE#PBF LTC3897EFE#TRPBF LTC3897FE 38-Lead Plastic TSSOP –40°C to 125°C LTC3897IFE#PBF LTC3897IFE#TRPBF LTC3897FE 38-Lead Plastic TSSOP –40°C to 125°C LTC3897HFE#PBF LTC3897HFE#TRPBF LTC3897FE 38-Lead Plastic TSSOP –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.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 12V, VBIAS = 12V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Supply Voltage and Operating Current
VBIAS Bias Voltage Operating Range 4.5 75 V SENSE Pins Common Mode Range 2.3 65 V (BOOST Converter Input Supply Voltage) VIN Input Supply Voltage Operating Range 4.2 75 V Reverse Input Current VIN = –30V 0 –10 µA IQ Input DC Supply Current (Note 5) Pulse-Skipping or Forced Continuous Mode RUN = 12V, VFB = 1.25V (No Load) 1.32 mA Burst Mode (Sleep) RUN = 12V, DGEN = SGEN = 0V, VFB = 1.25V 55 90 µA (No Load), CS = IS+ = IS– = VSPFB = 0V RUN = DGEN = 12V, SGEN = 0V, VFB = 1.25V 125 190 µA (No Load), CS = 12V, IS+ = IS– = CS – 0.1V RUN = 12V, DGEN = 0V, SGEN = 12V, 260 380 µA VFB = 1.25V (No Load), CS = IS+ = IS– = 12V RUN = DGEN = SGEN = 12V, VFB = 1.25V 325 450 µA (No Load), CS = 12V, IS+ = IS– = CS – 0.1V Shutdown RUN = DGEN = SGEN = 0V 15 22 µA
BOOST Controller Main Control Loop
VOUT Regulated Boost Output Voltage in 60 V Synchronous Configuration VFB Regulated Feedback Voltage ITH = 1.2 V (Note 4) l 1.188 1.200 1.212 V IFB Feedback Current (Note 4) ±10 ±50 nA Reference Line Voltage Regulation (Note 4) VIN = 6V to 75V 0.002 0.02 %/V Output Voltage Load Regulation (Note 4) (Note 4) Measured in Servo Loop, l 0.01 0.1 % ITH Voltage = 1V to 0.6V (Note 4) Measured in Servo Loop, l –0.01 –0.1 % ITH Voltage = 1V to 1.4V Rev. A 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 Typical Application Related Parts
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3897EUHF#PBF LTC3897EUHF#TRPBF 3897 38-Lead (5mm x 7mm) Plastic QFN –40°C to 125°C LTC3897IUHF#PBF LTC3897IUHF#TRPBF 3897 38-Lead (5mm x 7mm) Plastic QFN –40°C to 125°C LTC3897HUHF#PBF LTC3897HUHF#TRPBF 3897 38-Lead (5mm x 7mm) Plastic QFN –40°C to 150°C LTC3897EFE#PBF LTC3897EFE#TRPBF LTC3897FE 38-Lead Plastic TSSOP –40°C to 125°C LTC3897IFE#PBF LTC3897IFE#TRPBF LTC3897FE 38-Lead Plastic TSSOP –40°C to 125°C LTC3897HFE#PBF LTC3897HFE#TRPBF LTC3897FE 38-Lead Plastic TSSOP –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.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 12V, VBIAS = 12V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Supply Voltage and Operating Current
VBIAS Bias Voltage Operating Range 4.5 75 V SENSE Pins Common Mode Range 2.3 65 V (BOOST Converter Input Supply Voltage) VIN Input Supply Voltage Operating Range 4.2 75 V Reverse Input Current VIN = –30V 0 –10 µA IQ Input DC Supply Current (Note 5) Pulse-Skipping or Forced Continuous Mode RUN = 12V, VFB = 1.25V (No Load) 1.32 mA Burst Mode (Sleep) RUN = 12V, DGEN = SGEN = 0V, VFB = 1.25V 55 90 µA (No Load), CS = IS+ = IS– = VSPFB = 0V RUN = DGEN = 12V, SGEN = 0V, VFB = 1.25V 125 190 µA (No Load), CS = 12V, IS+ = IS– = CS – 0.1V RUN = 12V, DGEN = 0V, SGEN = 12V, 260 380 µA VFB = 1.25V (No Load), CS = IS+ = IS– = 12V RUN = DGEN = SGEN = 12V, VFB = 1.25V 325 450 µA (No Load), CS = 12V, IS+ = IS– = CS – 0.1V Shutdown RUN = DGEN = SGEN = 0V 15 22 µA
BOOST Controller Main Control Loop
VOUT Regulated Boost Output Voltage in 60 V Synchronous Configuration VFB Regulated Feedback Voltage ITH = 1.2 V (Note 4) l 1.188 1.200 1.212 V IFB Feedback Current (Note 4) ±10 ±50 nA Reference Line Voltage Regulation (Note 4) VIN = 6V to 75V 0.002 0.02 %/V Output Voltage Load Regulation (Note 4) (Note 4) Measured in Servo Loop, l 0.01 0.1 % ITH Voltage = 1V to 0.6V (Note 4) Measured in Servo Loop, l –0.01 –0.1 % ITH Voltage = 1V to 1.4V Rev. A 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 Typical Application Related Parts
