Datasheet LTC3417A (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Dual Synchronous 1.5A/1A 4MHz Step-Down DC/DC Regulator |
| 页数 / 页 | 22 / 2 — absoluTe MaxiMuM raTings (Note 1). pin conFiguraTion. orDer inForMaTion … |
| 文件格式/大小 | PDF / 324 Kb |
| 文件语言 | 英语 |
absoluTe MaxiMuM raTings (Note 1). pin conFiguraTion. orDer inForMaTion LEAD FREE FINISH. TAPE AND REEL. PART MARKING
该数据表的模型线
文件文字版本
LTC3417A
absoluTe MaxiMuM raTings (Note 1)
VIN1, VIN2 Voltages .. –0.3V to 6V PGOOD Voltage ... –0.3V to 6V SYNC/MODE, SW1, SW2, RUN1, Operating Ambient Temperature Range RUN2, VFB1, VFB2, PHASE, FREQ, (Note 2) ..–40°C to 85°C ITH1, ITH2 Voltages... –0.3V to (VIN1/VIN2 + 0.3V) Junction Temperature (Notes 7, 8) .. 125°C VIN1 – VIN2, VIN2 – VIN1 .. 0.3V Storage Temperature Range ...–65°C to 125°C
pin conFiguraTion
TOP VIEW TOP VIEW GNDD 1 20 GNDD RUN1 1 16 PGND1 RUN1 2 19 PGND1 VIN1 2 15 SW1 VIN1 3 18 SW1 ITH1 3 14 PHASE ITH1 4 17 PHASE VFB1 4 13 GNDA VFB1 5 16 GNDA 17 21 VFB2 5 12 FREQ VFB2 6 15 FREQ ITH2 6 11 PGOOD ITH2 7 14 PGOOD RUN2 7 10 SW2 RUN2 8 13 SW2 VIN2 8 9 SYNC/MODE VIN2 9 12 SYNC/MODE PGND2 10 11 PGND2 DHC PACKAGE 16-LEAD (3mm × 5mm) PLASTIC DFN FE PACKAGE TJMAX = 125°C, θJA = 43°C/W 20-LEAD PLASTIC TSSOP EXPOSED PAD (PIN 17) IS PGND2/GNDD, MUST BE SOLDERED TO PCB TJMAX = 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#PBF LTC3417AEDHC#TRPBF 3417A 16-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LTC3417AEFE#PBF LTC3417AEFE#TRPBF LTC3417AEFE 20-Lead Plastic TSSOP –40°C to 85°C LTC3417AIFE#PBF LTC3417AIFE#TRPBF LTC3417AIFE 20-Lead Plastic TSSOP –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
elecTrical characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V unless otherwise specified. (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 (Note 3) ±0.1 µA VFB1, VFB2 Feedback Voltage (Note 3) ● 0.784 0.8 0.816 V ∆VLINEREG Reference Voltage Line Regulation. %/V is the VIN = 2.25V to 5V (Note 3) 0.04 0.2 %/V Percentage Change in VOUT with a Change in VIN VLOADREG Output Voltage Load Regulation ITH1, ITH2 = 0.36V (Note 3) 0.02 0.2 % ITH1, ITH2 = 0.84V (Note 3) –0.02 –0.2 % gm(EA) Error Amplifier Transconductance ITH1, ITH2(PINLOAD) = ±5µA (Note 3) 1400 µS 3417afc 2 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Package Description Revision History Related Parts
absoluTe MaxiMuM raTings (Note 1)
VIN1, VIN2 Voltages .. –0.3V to 6V PGOOD Voltage ... –0.3V to 6V SYNC/MODE, SW1, SW2, RUN1, Operating Ambient Temperature Range RUN2, VFB1, VFB2, PHASE, FREQ, (Note 2) ..–40°C to 85°C ITH1, ITH2 Voltages... –0.3V to (VIN1/VIN2 + 0.3V) Junction Temperature (Notes 7, 8) .. 125°C VIN1 – VIN2, VIN2 – VIN1 .. 0.3V Storage Temperature Range ...–65°C to 125°C
pin conFiguraTion
TOP VIEW TOP VIEW GNDD 1 20 GNDD RUN1 1 16 PGND1 RUN1 2 19 PGND1 VIN1 2 15 SW1 VIN1 3 18 SW1 ITH1 3 14 PHASE ITH1 4 17 PHASE VFB1 4 13 GNDA VFB1 5 16 GNDA 17 21 VFB2 5 12 FREQ VFB2 6 15 FREQ ITH2 6 11 PGOOD ITH2 7 14 PGOOD RUN2 7 10 SW2 RUN2 8 13 SW2 VIN2 8 9 SYNC/MODE VIN2 9 12 SYNC/MODE PGND2 10 11 PGND2 DHC PACKAGE 16-LEAD (3mm × 5mm) PLASTIC DFN FE PACKAGE TJMAX = 125°C, θJA = 43°C/W 20-LEAD PLASTIC TSSOP EXPOSED PAD (PIN 17) IS PGND2/GNDD, MUST BE SOLDERED TO PCB TJMAX = 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#PBF LTC3417AEDHC#TRPBF 3417A 16-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LTC3417AEFE#PBF LTC3417AEFE#TRPBF LTC3417AEFE 20-Lead Plastic TSSOP –40°C to 85°C LTC3417AIFE#PBF LTC3417AIFE#TRPBF LTC3417AIFE 20-Lead Plastic TSSOP –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
elecTrical characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V unless otherwise specified. (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 (Note 3) ±0.1 µA VFB1, VFB2 Feedback Voltage (Note 3) ● 0.784 0.8 0.816 V ∆VLINEREG Reference Voltage Line Regulation. %/V is the VIN = 2.25V to 5V (Note 3) 0.04 0.2 %/V Percentage Change in VOUT with a Change in VIN VLOADREG Output Voltage Load Regulation ITH1, ITH2 = 0.36V (Note 3) 0.02 0.2 % ITH1, ITH2 = 0.84V (Note 3) –0.02 –0.2 % gm(EA) Error Amplifier Transconductance ITH1, ITH2(PINLOAD) = ±5µA (Note 3) 1400 µS 3417afc 2 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Package Description Revision History Related Parts