Datasheet LTC3894 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 150V Low IQ Step-Down DC/DC Controller with 100% Duty Cycle Capability |
| Pages / Page | 36 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| Revision | A |
| File Format / Size | PDF / 2.9 Mb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
Model Line for this Datasheet
Text Version of Document
LTC3894
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (V TOP VIEW IN), RUN .. –0.3V to 150V SENSE+, SENSE–, PGOOD Voltage ... –0.3V to 65V GATE 1 20 VIN VIN-VCAP Voltage .. –0.3V to 10V V RUN 3 18 CAP FB, PLLIN/MODE, PGUV, OVLO, EXTS Voltages ... –0.3V to 6V SENSE+ 5 16 DRVUV/EXTG TRACK/SS Voltage (Note 11) .. –0.3V to 2.8V 21 SENSE– 6 GND 15 EXTS ITH, FREQ Voltage.. –0.3V to 5V ITH 7 14 OVLO DRVUV/EXTG Voltage .. –0.3V to 9V PGUV 8 13 FREQ Operating Junction Temperature Range (Notes 2, 3) VFB 9 12 PGOOD LTC3894E, LTC3894I ... –40°C to 125°C TRACK/SS 10 11 PLLIN/MODE LTC3894H .. –55°C to 150°C FE PACKAGE Storage Temperature Range .. –65°C to 150°C 20(16)-LEAD PLASTIC TSSOP Lead Temperature (Soldering, 10 sec) ...300°C TJMAX = 150°C, θJA = 38°C/W EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB FOR RATED ELECTRICAL AND THERMAL CHARACTERISTICS
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3894EFE#PBF LTC3894EFE#TRPBF LTC3894FE 20(16)-Lead Plastic TSSOP –40°C to 125°C LTC3894IFE#PBF LTC3894IFE#TRPBF LTC3894FE 20(16)-Lead Plastic TSSOP –40°C to 125°C LTC3894HFE#PBF LTC3894HFE#TRPBF LTC3894FE 20(16)-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. VIN = 12V, unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input Supply
VIN Input Voltage Operating Range (Note 4) DRVUV = 0V 4.5 150 V VOUT Regulated Output Voltage Set Point 0.8 60 V IQ No Load DC Supply Current (Note 5) Shutdown VIN Pin Current RUN = 0V 7 11 µA Sleep Mode V – IN Pin Current VSENSE = 2.5V, VFB = 0.83V 27 40 µA V – SENSE ≥ 3.2V, VFB = 0.83V 7 10 µA Sleep Mode SENSE– Pin Current (Note 6) V – SENSE ≥ 3.2V, VFB = 0.83V 21 30 µA Pulse-Skipping Mode VIN Pin Current VFB = 0.83V VSENSE– = 0V 1.8 mA VSENSE– = 3.3V 1.5 mA VSENSE– = 5V 0.8 mA Rev. A 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (V TOP VIEW IN), RUN .. –0.3V to 150V SENSE+, SENSE–, PGOOD Voltage ... –0.3V to 65V GATE 1 20 VIN VIN-VCAP Voltage .. –0.3V to 10V V RUN 3 18 CAP FB, PLLIN/MODE, PGUV, OVLO, EXTS Voltages ... –0.3V to 6V SENSE+ 5 16 DRVUV/EXTG TRACK/SS Voltage (Note 11) .. –0.3V to 2.8V 21 SENSE– 6 GND 15 EXTS ITH, FREQ Voltage.. –0.3V to 5V ITH 7 14 OVLO DRVUV/EXTG Voltage .. –0.3V to 9V PGUV 8 13 FREQ Operating Junction Temperature Range (Notes 2, 3) VFB 9 12 PGOOD LTC3894E, LTC3894I ... –40°C to 125°C TRACK/SS 10 11 PLLIN/MODE LTC3894H .. –55°C to 150°C FE PACKAGE Storage Temperature Range .. –65°C to 150°C 20(16)-LEAD PLASTIC TSSOP Lead Temperature (Soldering, 10 sec) ...300°C TJMAX = 150°C, θJA = 38°C/W EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB FOR RATED ELECTRICAL AND THERMAL CHARACTERISTICS
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3894EFE#PBF LTC3894EFE#TRPBF LTC3894FE 20(16)-Lead Plastic TSSOP –40°C to 125°C LTC3894IFE#PBF LTC3894IFE#TRPBF LTC3894FE 20(16)-Lead Plastic TSSOP –40°C to 125°C LTC3894HFE#PBF LTC3894HFE#TRPBF LTC3894FE 20(16)-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. VIN = 12V, unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input Supply
VIN Input Voltage Operating Range (Note 4) DRVUV = 0V 4.5 150 V VOUT Regulated Output Voltage Set Point 0.8 60 V IQ No Load DC Supply Current (Note 5) Shutdown VIN Pin Current RUN = 0V 7 11 µA Sleep Mode V – IN Pin Current VSENSE = 2.5V, VFB = 0.83V 27 40 µA V – SENSE ≥ 3.2V, VFB = 0.83V 7 10 µA Sleep Mode SENSE– Pin Current (Note 6) V – SENSE ≥ 3.2V, VFB = 0.83V 21 30 µA Pulse-Skipping Mode VIN Pin Current VFB = 0.83V VSENSE– = 0V 1.8 mA VSENSE– = 3.3V 1.5 mA VSENSE– = 5V 0.8 mA Rev. A 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
