Datasheet LTC3560 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 2.25MHz, 800mA Synchronous Step-Down Regulator in ThinSOT |
| Pages / Page | 16 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| File Format / Size | PDF / 267 Kb |
| 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
LTC3560
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage ... – 0.3V to 6V TOP VIEW SYNC/MODE, RUN, VFB Voltages ... – 0.3V to VIN RUN 1 6 SYNC/MODE SW Voltage (DC) .. – 0.3V to (VIN + 0.3V) GND 2 5 VFB P-Channel Switch Source Current (DC) (Note 6)... 1.2A SW 3 4 VIN N-Channel Switch Sink Current (DC) (Note 6) .. 1.2A S6 PACKAGE Peak SW Sink and Source Current (Note 6) ... 2.1A 6-LEAD PLASTIC TSOT-23 Operating Temperature Range (Note 2) TJMAX = 125°C, θJA = 250°C/W LTC3560E ...–40°C to 85°C LTC3560I..–40°C to 125°C Junction Temperature (Notes 3, 7) .. 125°C Storage Temperature Range .. – 65°C to 150°C Lead Temperature (Soldering, 10 sec) ... 300°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3560ES6#PBF LTC3560ES6#TRPBF LTCFY 6-Lead Plastic TSOT-23 –40°C to 85°C LTC3560IS6#PBF LTC3560IS6#TRPBF LTCFY 6-Lead Plastic TSOT-23 –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 3.6V unless otherwise specifi ed. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IVFB Feedback Current l ±30 nA IPK Peak Inductor Current VIN = 3V, VFB = 0.5V, Duty Cycle < 35% 1.0 1.5 2.0 A VFB Regulated Feedback Voltage (Note 4) E Grade l 0.588 0.6 0.612 V I Grade l 0.582 0.6 0.618 V ΔVFB Reference Voltage Line Regulation VIN = 2.5V to 5.5V (Note 4) E Grade l 0.04 0.4 %/V I Grade l 0.04 0.8 %/V VLOADREG Output Voltage Load Regulation 0.5 % VIN Input Voltage Range l 2.5 5.5 V IS Input DC Bias Current (Note 5) Pulse-Skipping Mode VFB = 0.63V, Mode = High, ILOAD = 0A 200 300 μA Burst Mode Operation VFB = 0.63V, Mode = Low, ILOAD = 0A 16 30 μA Shutdown VRUN = 0V, VIN = 5.5V 0.1 1 μA fOSC Oscillator Frequency VFB = 0.6V l 1.8 2.25 2.7 MHz fSYNC SYNC Frequency Range l 1 3 MHz RPFET RDS(ON) of P-Channel FET ISW = 100mA 0.23 0.35 Ω RNFET RDS(ON) of N-Channel FET ISW = –100mA 0.21 0.35 Ω ILSW SW Leakage VRUN = 0V, VSW = 0V or 5.5V, VIN = 5.5V ±0.01 ±1 μA 3560fb 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage ... – 0.3V to 6V TOP VIEW SYNC/MODE, RUN, VFB Voltages ... – 0.3V to VIN RUN 1 6 SYNC/MODE SW Voltage (DC) .. – 0.3V to (VIN + 0.3V) GND 2 5 VFB P-Channel Switch Source Current (DC) (Note 6)... 1.2A SW 3 4 VIN N-Channel Switch Sink Current (DC) (Note 6) .. 1.2A S6 PACKAGE Peak SW Sink and Source Current (Note 6) ... 2.1A 6-LEAD PLASTIC TSOT-23 Operating Temperature Range (Note 2) TJMAX = 125°C, θJA = 250°C/W LTC3560E ...–40°C to 85°C LTC3560I..–40°C to 125°C Junction Temperature (Notes 3, 7) .. 125°C Storage Temperature Range .. – 65°C to 150°C Lead Temperature (Soldering, 10 sec) ... 300°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3560ES6#PBF LTC3560ES6#TRPBF LTCFY 6-Lead Plastic TSOT-23 –40°C to 85°C LTC3560IS6#PBF LTC3560IS6#TRPBF LTCFY 6-Lead Plastic TSOT-23 –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 3.6V unless otherwise specifi ed. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IVFB Feedback Current l ±30 nA IPK Peak Inductor Current VIN = 3V, VFB = 0.5V, Duty Cycle < 35% 1.0 1.5 2.0 A VFB Regulated Feedback Voltage (Note 4) E Grade l 0.588 0.6 0.612 V I Grade l 0.582 0.6 0.618 V ΔVFB Reference Voltage Line Regulation VIN = 2.5V to 5.5V (Note 4) E Grade l 0.04 0.4 %/V I Grade l 0.04 0.8 %/V VLOADREG Output Voltage Load Regulation 0.5 % VIN Input Voltage Range l 2.5 5.5 V IS Input DC Bias Current (Note 5) Pulse-Skipping Mode VFB = 0.63V, Mode = High, ILOAD = 0A 200 300 μA Burst Mode Operation VFB = 0.63V, Mode = Low, ILOAD = 0A 16 30 μA Shutdown VRUN = 0V, VIN = 5.5V 0.1 1 μA fOSC Oscillator Frequency VFB = 0.6V l 1.8 2.25 2.7 MHz fSYNC SYNC Frequency Range l 1 3 MHz RPFET RDS(ON) of P-Channel FET ISW = 100mA 0.23 0.35 Ω RNFET RDS(ON) of N-Channel FET ISW = –100mA 0.21 0.35 Ω ILSW SW Leakage VRUN = 0V, VSW = 0V or 5.5V, VIN = 5.5V ±0.01 ±1 μA 3560fb 2
