Datasheet LTC3407-4 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | Dual Synchronous, 800mA, 2.25MHz Step-Down DC/DC Regulator |
| Seiten / Seite | 16 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. … |
| Dateiformat / Größe | PDF / 275 Kb |
| Dokumentensprache | Englisch |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING
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Textversion des Dokuments
LTC3407-4
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN Voltages ...– 0.3V to 6V Ambient Operating Temperature VFB1, VFB2 Voltages .. –0.3V to VIN + 0.3V Range (Note 2) ... –40°C to 85°C RUN1, RUN2 Voltages ...–0.3V to VIN Junction Temperature (Note 5) ... 125°C MODE/SYNC Voltage ..–0.3V to VIN Storage Temperature Range ...– 65°C to 125°C SW1, SW2 Voltage ... –0.3V to VIN + 0.3V Lead Temperature (Soldering, 10 sec) POR Voltage ... –0.3V to 6V LTC3407EMSE-4 only ... 300°C Refl ow Peak Body Temperature .. 260°C
PIN CONFIGURATION
TOP VIEW TOP VIEW VFB1 1 10 VFB2 V 1 FB1 10 VFB2 RUN1 2 9 RUN2 RUN1 2 9 RUN2 VIN 3 11 8 POR V 3 IN 11 8 POR SW1 SW1 4 7 SW2 4 7 SW2 GND 5 6 MODE/ GND 5 6 MODE/ SYNC SYNC MSE PACKAGE 10-LEAD PLASTIC MSOP DD PACKAGE T 10-LEAD (3mm × 3mm) PLASTIC DFN JMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO GND TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO GND
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3407EDD-4#PBF LTC3407EDD-4#TRPBF LCJD 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LTC3407EMSE-4#PBF LTC3407EMSE-4#TRPBF LTCJC 10-Lead (3mm × 3mm) Plastic MSOP –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 ● 2.5 5.5 V IFB Feedback Pin Input Current ● 30 nA VFB Feedback Voltage (Note 3) 0°C ≤ TA ≤ 85°C 0.588 0.6 0.612 V –40°C ≤ TA ≤ 85°C ● 0.585 0.6 0.612 V ΔVLINE REG Reference Voltage Line Regulation VIN = 2.5V to 5.5V (Note 3) 0.3 0.5 %/V ΔVLOAD REG Output Voltage Load Regulation (Note 3) 0.5 % IS Input DC Supply Current (Note 4) Active Mode VFB1 = VFB2 = 0.5V 700 950 μA Sleep Mode VFB1 = VFB2 = 0.63V, MODE/SYNC = 3.6V 40 60 μA Shutdown RUN = 0V, VIN = 5.5V, MODE/SYNC = 0V 0.1 1 μA 34074fa 2
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN Voltages ...– 0.3V to 6V Ambient Operating Temperature VFB1, VFB2 Voltages .. –0.3V to VIN + 0.3V Range (Note 2) ... –40°C to 85°C RUN1, RUN2 Voltages ...–0.3V to VIN Junction Temperature (Note 5) ... 125°C MODE/SYNC Voltage ..–0.3V to VIN Storage Temperature Range ...– 65°C to 125°C SW1, SW2 Voltage ... –0.3V to VIN + 0.3V Lead Temperature (Soldering, 10 sec) POR Voltage ... –0.3V to 6V LTC3407EMSE-4 only ... 300°C Refl ow Peak Body Temperature .. 260°C
PIN CONFIGURATION
TOP VIEW TOP VIEW VFB1 1 10 VFB2 V 1 FB1 10 VFB2 RUN1 2 9 RUN2 RUN1 2 9 RUN2 VIN 3 11 8 POR V 3 IN 11 8 POR SW1 SW1 4 7 SW2 4 7 SW2 GND 5 6 MODE/ GND 5 6 MODE/ SYNC SYNC MSE PACKAGE 10-LEAD PLASTIC MSOP DD PACKAGE T 10-LEAD (3mm × 3mm) PLASTIC DFN JMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO GND TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W EXPOSED PAD (PIN 11) IS PGND, MUST BE SOLDERED TO GND
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3407EDD-4#PBF LTC3407EDD-4#TRPBF LCJD 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LTC3407EMSE-4#PBF LTC3407EMSE-4#TRPBF LTCJC 10-Lead (3mm × 3mm) Plastic MSOP –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 ● 2.5 5.5 V IFB Feedback Pin Input Current ● 30 nA VFB Feedback Voltage (Note 3) 0°C ≤ TA ≤ 85°C 0.588 0.6 0.612 V –40°C ≤ TA ≤ 85°C ● 0.585 0.6 0.612 V ΔVLINE REG Reference Voltage Line Regulation VIN = 2.5V to 5.5V (Note 3) 0.3 0.5 %/V ΔVLOAD REG Output Voltage Load Regulation (Note 3) 0.5 % IS Input DC Supply Current (Note 4) Active Mode VFB1 = VFB2 = 0.5V 700 950 μA Sleep Mode VFB1 = VFB2 = 0.63V, MODE/SYNC = 3.6V 40 60 μA Shutdown RUN = 0V, VIN = 5.5V, MODE/SYNC = 0V 0.1 1 μA 34074fa 2