Datasheet LTC3407-3 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | Dual Synchronous, 1.8V/0.8A and 3.3V/0.8A 2.25MHz Step-Down DC/DC Regulator |
| Pages / Page | 16 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDERING … |
| File Format / Size | PDF / 269 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDERING INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING
Model Line for this Datasheet
Text Version of Document
LTC3407-3
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN Voltages ...– 0.3V to 6V V TOP VIEW OUT1, VOUT2 Voltages ... –0.3V to VIN + 0.3V RUN1, RUN2 Voltages ...–0.3V to VIN VOUT1 1 10 VOUT2 MODE/SYNC Voltage ..–0.3V to VIN RUN1 2 9 RUN2 SW1, SW2 Voltage ... –0.3V to V VIN 3 11 8 POR IN + 0.3V SW1 POR Voltage ... –0.3V to 6V 4 7 SW2 GND 5 6 MODE/ Ambient Operating Temperature SYNC Range (Note 2) ... –40°C to 85°C DD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN Junction Temperature (Note 5) ... 125°C TJMAX = 125°C, θJA = 40°C/W, θJC = 10°C/W Storage Temperature Range ...– 65°C to 125°C EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO PCB GND
ORDERING INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3407EDD-3#PBF LTC3407EDD-3#TRPBF LCJB 10-Lead (3mm × 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 specifi ed. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Operating Voltage Range ● 3.3 5.5 V VOUT1 Output Voltage (Note 3) 0°C ≤ TA ≤ 85°C 1.764 1.8 1.836 V –40°C ≤ TA ≤ 85°C ● 1.755 1.8 1.836 V VOUT2 Output Voltage (Note 3) 0°C ≤ TA ≤ 85°C 3.234 3.3 3.366 V –40°C ≤ TA ≤ 85°C ● 3.218 3.3 3.366 V ΔVLINE REG Reference Voltage Line Regulation (Note 3) VIN = 3.3V to 5.5V (Channel 1) 0.3 0.5 %/V VIN = 3.6V to 5.5V (Channel 2) ΔVLOAD REG Output Voltage Load Regulation (Note 3) 0.5 % IS Input DC Supply Current (Note 4) Active Mode VOUT1 = 1.5V, VOUT2 = 2.8V 700 950 μA Sleep Mode VOUT1 = 1.9V, VOUT2 = 3.5V, MODE/SYNC = 3.6V 40 60 μA Shutdown RUN = 0V, VIN = 5.5V, MODE/SYNC = 0V 0.1 1 μA fOSC Oscillator Frequency VOUT1 = 1.8V, VOUT2 = 3.3V ● 1.8 2.25 2.7 MHz fSYNC Synchronization Frequency 2.25 MHz 34073fb 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN Voltages ...– 0.3V to 6V V TOP VIEW OUT1, VOUT2 Voltages ... –0.3V to VIN + 0.3V RUN1, RUN2 Voltages ...–0.3V to VIN VOUT1 1 10 VOUT2 MODE/SYNC Voltage ..–0.3V to VIN RUN1 2 9 RUN2 SW1, SW2 Voltage ... –0.3V to V VIN 3 11 8 POR IN + 0.3V SW1 POR Voltage ... –0.3V to 6V 4 7 SW2 GND 5 6 MODE/ Ambient Operating Temperature SYNC Range (Note 2) ... –40°C to 85°C DD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN Junction Temperature (Note 5) ... 125°C TJMAX = 125°C, θJA = 40°C/W, θJC = 10°C/W Storage Temperature Range ...– 65°C to 125°C EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO PCB GND
ORDERING INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3407EDD-3#PBF LTC3407EDD-3#TRPBF LCJB 10-Lead (3mm × 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 specifi ed. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Operating Voltage Range ● 3.3 5.5 V VOUT1 Output Voltage (Note 3) 0°C ≤ TA ≤ 85°C 1.764 1.8 1.836 V –40°C ≤ TA ≤ 85°C ● 1.755 1.8 1.836 V VOUT2 Output Voltage (Note 3) 0°C ≤ TA ≤ 85°C 3.234 3.3 3.366 V –40°C ≤ TA ≤ 85°C ● 3.218 3.3 3.366 V ΔVLINE REG Reference Voltage Line Regulation (Note 3) VIN = 3.3V to 5.5V (Channel 1) 0.3 0.5 %/V VIN = 3.6V to 5.5V (Channel 2) ΔVLOAD REG Output Voltage Load Regulation (Note 3) 0.5 % IS Input DC Supply Current (Note 4) Active Mode VOUT1 = 1.5V, VOUT2 = 2.8V 700 950 μA Sleep Mode VOUT1 = 1.9V, VOUT2 = 3.5V, MODE/SYNC = 3.6V 40 60 μA Shutdown RUN = 0V, VIN = 5.5V, MODE/SYNC = 0V 0.1 1 μA fOSC Oscillator Frequency VOUT1 = 1.8V, VOUT2 = 3.3V ● 1.8 2.25 2.7 MHz fSYNC Synchronization Frequency 2.25 MHz 34073fb 2
