Datasheet LTC3409A (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 600mA Low VIN Buck Regulator in 3mm × 3mm DFN |
| Pages / Page | 16 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| File Format / Size | PDF / 321 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
LTC3409A
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage ... –0.3V to 6V TOP VIEW RUN, VFB, MODE, SYNC Voltages . –0.3V to (VIN + 0.3V) V 1 8 FB SYNC SW Voltage ... –0.3V to (VIN + 0.3V) GND 2 7 RUN Operating Temperature Range (Note 2) ..–40°C to 85°C 9 VIN 3 6 SW Junction Temperature (Note 3) ... 125°C VIN 4 5 MODE Storage Temperature Range .. –65°C to 125°C DD PACKAGE 8-LEAD (3mm s 3mm) PLASTIC DFN TJMAX = 125°C, θJA = 43°C/W EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3409AEDD#PBF LTC3409AEDD#TRPBF LFGY 8-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LTC3409AIDD#PBF LTC3409AIDD#TRPBF LFGY 8-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *Temperature grades are 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/
The ELECTRICAL CHARACTERISTICS
●
denotes specifi cations which apply over the full operating temperature range, otherwise specifi cations are TA = 25°C. VIN = 2.2V unless otherwise specifi ed. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Input Voltage Range l 1.6 5.5 V VFB Regulated Feedback Voltage (Note 4) TA = 25°C 0.604 0.612 0.620 V (Note 4) 0°C ≤ TA ≤ 85°C 0.600 0.612 0.624 V (Note 4) –40°C ≤ TA ≤ 85°C l 0.598 0.612 0.626 V IVFB Feedback Current VFB = 0.612V ±30 nA ΔVOVL ΔVFBOVL Overvoltage Lockout ΔVOVL = ΔVFBOVL – VFB (Note 6) 35 61 85 mV ΔV l FB Reference Voltage Line Regulation 1.6V < VIN < 5.5V (Note 4) 0.04 0.4 %/V 1.9V ≤ VIN ≤ 3.6V, 0°C ≤ TA ≤ 85°C (Note 4) 0.05 0.5 % IPK Peak Inductor Current VFB = 0.5V or VOUT = 90% 0.75 1 1.3 A VLOADREG Output Voltage Load Regulation VOUT = 1.8V, VMODE = 0V, 1mA < ILOAD < 210mA, 0.2 0.5 % 0°C ≤ TA ≤ 85°C (Note 8) VRUN RUN Threshold l 0.3 0.65 1.1 V IRUN RUN Leakage Current VRUN = 0V or = 2.2V 0.01 1 μA VMODE MODE Threshold l 0.3 0.65 1.1 V IMODE MODE Leakage Current VMODE = 0V or = 2.2V 0.01 1 μA 3409af 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage ... –0.3V to 6V TOP VIEW RUN, VFB, MODE, SYNC Voltages . –0.3V to (VIN + 0.3V) V 1 8 FB SYNC SW Voltage ... –0.3V to (VIN + 0.3V) GND 2 7 RUN Operating Temperature Range (Note 2) ..–40°C to 85°C 9 VIN 3 6 SW Junction Temperature (Note 3) ... 125°C VIN 4 5 MODE Storage Temperature Range .. –65°C to 125°C DD PACKAGE 8-LEAD (3mm s 3mm) PLASTIC DFN TJMAX = 125°C, θJA = 43°C/W EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3409AEDD#PBF LTC3409AEDD#TRPBF LFGY 8-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LTC3409AIDD#PBF LTC3409AIDD#TRPBF LFGY 8-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *Temperature grades are 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/
The ELECTRICAL CHARACTERISTICS
●
denotes specifi cations which apply over the full operating temperature range, otherwise specifi cations are TA = 25°C. VIN = 2.2V unless otherwise specifi ed. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Input Voltage Range l 1.6 5.5 V VFB Regulated Feedback Voltage (Note 4) TA = 25°C 0.604 0.612 0.620 V (Note 4) 0°C ≤ TA ≤ 85°C 0.600 0.612 0.624 V (Note 4) –40°C ≤ TA ≤ 85°C l 0.598 0.612 0.626 V IVFB Feedback Current VFB = 0.612V ±30 nA ΔVOVL ΔVFBOVL Overvoltage Lockout ΔVOVL = ΔVFBOVL – VFB (Note 6) 35 61 85 mV ΔV l FB Reference Voltage Line Regulation 1.6V < VIN < 5.5V (Note 4) 0.04 0.4 %/V 1.9V ≤ VIN ≤ 3.6V, 0°C ≤ TA ≤ 85°C (Note 4) 0.05 0.5 % IPK Peak Inductor Current VFB = 0.5V or VOUT = 90% 0.75 1 1.3 A VLOADREG Output Voltage Load Regulation VOUT = 1.8V, VMODE = 0V, 1mA < ILOAD < 210mA, 0.2 0.5 % 0°C ≤ TA ≤ 85°C (Note 8) VRUN RUN Threshold l 0.3 0.65 1.1 V IRUN RUN Leakage Current VRUN = 0V or = 2.2V 0.01 1 μA VMODE MODE Threshold l 0.3 0.65 1.1 V IMODE MODE Leakage Current VMODE = 0V or = 2.2V 0.01 1 μA 3409af 2
