Datasheet LTC3417A-1 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | Dual Synchronous 1.5A/1A 4MHz Step-Down DC/DC Regulator with POR |
| Seiten / Seite | 20 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. … |
| Dateiformat / Größe | PDF / 353 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
LTC3417A-1
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN1, VIN2 Voltages .. – 0.3V to 6V POR Voltage .. –0.3V to 6V SYNC/MODE, SW1, SW2, RUN1, Operating Temperature Range (Note 2) RUN2, VFB1, VFB2, PHASE, FREQ, LTC3417AE-1 .. –40°C to 85°C ITH1, ITH2 Voltages.. –0.3V to ((VIN1 or VIN2) + 0.3V) LTC3417AI-1 ... –40°C to 125°C VIN1 – VIN2, VIN2 – VIN1 .. 0.3V Junction Temperature (Notes 7, 8) .. 125°C Storage Temperature Range ... –65°C to 150°C
PIN CONFIGURATION
TOP VIEW TOP VIEW GNDD 1 20 GNDD RUN1 1 16 PGND1 RUN1 2 19 PGND1 V 2 15 SW1 V 3 IN1 IN1 18 SW1 I 3 14 PHASE TH1 I 4 TH1 17 PHASE V 4 13 GNDA FB1 V 5 FB1 16 GNDA 17 21 V 5 12 FREQ FB2 V 6 FB2 15 FREQ I 6 11 POR POR TH2 I 7 TH2 14 RUN2 7 10 SW2 RUN2 8 13 SW2 V 8 9 SYNC/MODE IN2 V 9 IN2 12 SYNC/MODE PGND2 10 11 PGND2 DHC PACKAGE 16-LEAD (5mm × 3mm) PLASTIC DFN FE PACKAGE TJMAX = 125°C, θJA = 43°C/ W 20-LEAD PLASTIC TSSOP EXPOSED PAD (PIN 17) IS PGND2/GNDD T MUST BE SOLDERED TO PCB JMAX = 125°C, θJA = 38°C/ W EXPOSED PAD (PIN 21) IS PGND2/GNDD MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING
*
PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3417AEDHC-1#PBF LTC3417AEDHC-1#TRPBF 3417A1 16-Lead (3mm × 5mm) Plastic DFN –40°C to 85°C LTC3417AIDHC-1#PBF LTC3417AIDHC-1#TRPBF 3417A1 16-Lead (3mm × 5mm) Plastic DFN –40°C to 125°C LTC3417AEFE-1#PBF LTC3417AEFE-1#TRPBF LTC3417AFE-1 20-Lead Plastic TSSOP –40°C to 85°C LTC3417AIFE-1#PBF LTC3417AIFE-1#TRPBF LTC3417AFE-1 20-Lead Plastic TSSOP –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 (Note 2). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN1, VIN2 Operating Voltage Range VIN1 = VIN2 2.25 5.5 V IFB1, IFB2 Feedback Pin Input Current VIN = 6V Pin Under Test = 3V ± 0.1 μA 3417a1fa 2
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN1, VIN2 Voltages .. – 0.3V to 6V POR Voltage .. –0.3V to 6V SYNC/MODE, SW1, SW2, RUN1, Operating Temperature Range (Note 2) RUN2, VFB1, VFB2, PHASE, FREQ, LTC3417AE-1 .. –40°C to 85°C ITH1, ITH2 Voltages.. –0.3V to ((VIN1 or VIN2) + 0.3V) LTC3417AI-1 ... –40°C to 125°C VIN1 – VIN2, VIN2 – VIN1 .. 0.3V Junction Temperature (Notes 7, 8) .. 125°C Storage Temperature Range ... –65°C to 150°C
PIN CONFIGURATION
TOP VIEW TOP VIEW GNDD 1 20 GNDD RUN1 1 16 PGND1 RUN1 2 19 PGND1 V 2 15 SW1 V 3 IN1 IN1 18 SW1 I 3 14 PHASE TH1 I 4 TH1 17 PHASE V 4 13 GNDA FB1 V 5 FB1 16 GNDA 17 21 V 5 12 FREQ FB2 V 6 FB2 15 FREQ I 6 11 POR POR TH2 I 7 TH2 14 RUN2 7 10 SW2 RUN2 8 13 SW2 V 8 9 SYNC/MODE IN2 V 9 IN2 12 SYNC/MODE PGND2 10 11 PGND2 DHC PACKAGE 16-LEAD (5mm × 3mm) PLASTIC DFN FE PACKAGE TJMAX = 125°C, θJA = 43°C/ W 20-LEAD PLASTIC TSSOP EXPOSED PAD (PIN 17) IS PGND2/GNDD T MUST BE SOLDERED TO PCB JMAX = 125°C, θJA = 38°C/ W EXPOSED PAD (PIN 21) IS PGND2/GNDD MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING
*
PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3417AEDHC-1#PBF LTC3417AEDHC-1#TRPBF 3417A1 16-Lead (3mm × 5mm) Plastic DFN –40°C to 85°C LTC3417AIDHC-1#PBF LTC3417AIDHC-1#TRPBF 3417A1 16-Lead (3mm × 5mm) Plastic DFN –40°C to 125°C LTC3417AEFE-1#PBF LTC3417AEFE-1#TRPBF LTC3417AFE-1 20-Lead Plastic TSSOP –40°C to 85°C LTC3417AIFE-1#PBF LTC3417AIFE-1#TRPBF LTC3417AFE-1 20-Lead Plastic TSSOP –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 (Note 2). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN1, VIN2 Operating Voltage Range VIN1 = VIN2 2.25 5.5 V IFB1, IFB2 Feedback Pin Input Current VIN = 6V Pin Under Test = 3V ± 0.1 μA 3417a1fa 2