Datasheet LTC3543 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 600mA Synchronous Step Down Buck Regulator with PLL, Soft-Start and Spread Spectrum |
| Pages / Page | 20 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| File Format / Size | PDF / 342 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
LTC3543
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN Voltage ... –0.3V to 6V TOP VIEW RUN, VFB, MODE, CAP Voltages ...–0.3V to VIN SW 1 6 V SW Voltage ..–0.3V to (V IN IN + 0.3V) Operating Temperature Range (Note 2).. –40°C to 85°C CAP 2 7 5 RUN Junction Temperature (Note 3) ... 125°C MODE 3 4 VFB Storage Temperature Range ... –65°C to 125°C DCB PACKAGE 6-LEAD (2mm s 3mm) PLASTIC DFN TJMAX = 125°C, θJA = 64°C/W EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3543EDCB#PBF LTC3543EDCB#TRPBF LCCK 6-Lead (2mm × 3mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. 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 noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
RUN Run Threshold 0.3 1 1.5 V VFB Regulated Feedback Voltage (Note 4) l 0.588 0.6 0.612 V IVFB Feedback Pin Current 50 nA IPK Peak Inductor Current VIN = 3.6V, VFB = 0V 0.7 1 1.3 A VLOADREG Output Voltage Load Regulation 0.5 %/mA VLINEREG Output Voltage Line Regulation (Note 4) 0.5 %/V VIN Input Voltage Range l 2.5 5.5 V IS Input DC Bias Current (Note 5) Active Mode VOUT = 90%, ILOAD = 0A 375 500 μA Sleep Mode VOUT = 103%, ILOAD = 0A 45 70 μA Shutdown VRUN = 0V, VIN = 5.5V 0.1 1 μA fOSC Nominal Oscillator Frequency l 1.80 2.25 MHz RPFET RDS(ON) of P-Channel FET ISW = 100mA 0.45 Ω RNFET RDS(ON) of N-Channel FET ISW = 100mA 0.35 Ω ISW SW Leakage VRUN = 0V, VSW = 0V or 5.5V, VIN = 5.5V ±1 μA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 2:
The LTC3543E is guaranteed to meet performance specifi cations may cause permanent damage to the device. Exposure to any Absolute from 0°C to 85°C. Specifi cations over the –40°C to 85°C operating Maximum Rating condition for extended periods may affect device temperature ranges are assured by design, characterization and reliability and lifetime. correlation with statistical process controls. 3543fa 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN Voltage ... –0.3V to 6V TOP VIEW RUN, VFB, MODE, CAP Voltages ...–0.3V to VIN SW 1 6 V SW Voltage ..–0.3V to (V IN IN + 0.3V) Operating Temperature Range (Note 2).. –40°C to 85°C CAP 2 7 5 RUN Junction Temperature (Note 3) ... 125°C MODE 3 4 VFB Storage Temperature Range ... –65°C to 125°C DCB PACKAGE 6-LEAD (2mm s 3mm) PLASTIC DFN TJMAX = 125°C, θJA = 64°C/W EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3543EDCB#PBF LTC3543EDCB#TRPBF LCCK 6-Lead (2mm × 3mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. 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 noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
RUN Run Threshold 0.3 1 1.5 V VFB Regulated Feedback Voltage (Note 4) l 0.588 0.6 0.612 V IVFB Feedback Pin Current 50 nA IPK Peak Inductor Current VIN = 3.6V, VFB = 0V 0.7 1 1.3 A VLOADREG Output Voltage Load Regulation 0.5 %/mA VLINEREG Output Voltage Line Regulation (Note 4) 0.5 %/V VIN Input Voltage Range l 2.5 5.5 V IS Input DC Bias Current (Note 5) Active Mode VOUT = 90%, ILOAD = 0A 375 500 μA Sleep Mode VOUT = 103%, ILOAD = 0A 45 70 μA Shutdown VRUN = 0V, VIN = 5.5V 0.1 1 μA fOSC Nominal Oscillator Frequency l 1.80 2.25 MHz RPFET RDS(ON) of P-Channel FET ISW = 100mA 0.45 Ω RNFET RDS(ON) of N-Channel FET ISW = 100mA 0.35 Ω ISW SW Leakage VRUN = 0V, VSW = 0V or 5.5V, VIN = 5.5V ±1 μA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 2:
The LTC3543E is guaranteed to meet performance specifi cations may cause permanent damage to the device. Exposure to any Absolute from 0°C to 85°C. Specifi cations over the –40°C to 85°C operating Maximum Rating condition for extended periods may affect device temperature ranges are assured by design, characterization and reliability and lifetime. correlation with statistical process controls. 3543fa 2
