Datasheet LT3504 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | Quad 40V/1A Step-Down Switching Regulator with 100% Duty Cycle Operation |
| Seiten / Seite | 24 / 2 — absoluTe MaxiMuM raTings. pin conFiguraTion. (Note 1). orDer inForMaTion … |
| Dateiformat / Größe | PDF / 498 Kb |
| Dokumentensprache | Englisch |
absoluTe MaxiMuM raTings. pin conFiguraTion. (Note 1). orDer inForMaTion LEAD FREE FINISH. TAPE AND REEL. PART MARKING
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LT3504
absoluTe MaxiMuM raTings pin conFiguraTion (Note 1)
EN/UVLO Pin ...40V TOP VIEW EN/UVLO Pin Above VIN Pin ..5V V V IN GND V IN SKY SW5 PG IN Pin ..40V 28 27 26 25 24 23 SKY Pin ...46V DA2 1 22 FB2 SW5 Pin ..47V SW2 2 21 FB3 RUN/SS Pins ...6V DA3 3 20 FB1 FB Pins ..6V SW3 4 29 19 FB4 GND RT/SYNC Pin ...6V SW1 5 18 GND PG Pin ...25V DA1 6 17 RT/SYNC SW4 7 16 EN/UVLO Operating Junction Temperature Range (Notes 2, 8) DA4 8 15 RUN/SS3 LT3504EUFD .. –40°C to 125°C 9 10 11 12 13 14 LT3504IUFD ... –40°C to 125°C V IN GND V IN Storage Temperature Range .. –65°C to 150°C RUN/SS4 RUN/SS1 RUN/SS2 UFD PACKAGE 28-LEAD (4mm × 5mm) PLASTIC QFN θJA = 43°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3504EUFD#PBF LT3504EUFD#TRPBF 3504 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LT3504IUFD#PBF LT3504IUFD#TRPBF 3504 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°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 = 12V unless otherwise noted. SYMBOL CONDITIONS MIN TYP MAX UNITS
EN/UVLO Threshold Voltage Rising l 1.2 1.44 1.6 V EN/UVLO Threshold Voltage Hysteresis 110 mV EN/UVLO Threshold Current Hysteresis VEN/UVLO = Measured Rising Threshold – 50mV 1.3 µA (Note 3) Internal VIN Undervoltage Lockout 2.4 2.9 3.2 V Quiescent Current (VIN) in Shutdown VEN/UVLO = 0V 0.01 2 µA Quiescent Current (VIN) VEN/UVLO = 1V (Note 4) 4 10 µA Quiescent Current (VIN) VEN/UVLO = 1.5V, VRUN/SS(1,2,3,4) = Open, 2.7 mA VFB(1,2,3,4) = 0.9V, VSKY = 17V Quiescent Current (SKY) VEN/UVLO = 1.5V, VRUN/SS(1,2,3,4) = Open, 4.4 mA VFB(1,2,3,4) = 0.9V, VSKY = 17V 3504fa 2 For more information www.linear.com/LT3504 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
absoluTe MaxiMuM raTings pin conFiguraTion (Note 1)
EN/UVLO Pin ...40V TOP VIEW EN/UVLO Pin Above VIN Pin ..5V V V IN GND V IN SKY SW5 PG IN Pin ..40V 28 27 26 25 24 23 SKY Pin ...46V DA2 1 22 FB2 SW5 Pin ..47V SW2 2 21 FB3 RUN/SS Pins ...6V DA3 3 20 FB1 FB Pins ..6V SW3 4 29 19 FB4 GND RT/SYNC Pin ...6V SW1 5 18 GND PG Pin ...25V DA1 6 17 RT/SYNC SW4 7 16 EN/UVLO Operating Junction Temperature Range (Notes 2, 8) DA4 8 15 RUN/SS3 LT3504EUFD .. –40°C to 125°C 9 10 11 12 13 14 LT3504IUFD ... –40°C to 125°C V IN GND V IN Storage Temperature Range .. –65°C to 150°C RUN/SS4 RUN/SS1 RUN/SS2 UFD PACKAGE 28-LEAD (4mm × 5mm) PLASTIC QFN θJA = 43°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3504EUFD#PBF LT3504EUFD#TRPBF 3504 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LT3504IUFD#PBF LT3504IUFD#TRPBF 3504 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°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 = 12V unless otherwise noted. SYMBOL CONDITIONS MIN TYP MAX UNITS
EN/UVLO Threshold Voltage Rising l 1.2 1.44 1.6 V EN/UVLO Threshold Voltage Hysteresis 110 mV EN/UVLO Threshold Current Hysteresis VEN/UVLO = Measured Rising Threshold – 50mV 1.3 µA (Note 3) Internal VIN Undervoltage Lockout 2.4 2.9 3.2 V Quiescent Current (VIN) in Shutdown VEN/UVLO = 0V 0.01 2 µA Quiescent Current (VIN) VEN/UVLO = 1V (Note 4) 4 10 µA Quiescent Current (VIN) VEN/UVLO = 1.5V, VRUN/SS(1,2,3,4) = Open, 2.7 mA VFB(1,2,3,4) = 0.9V, VSKY = 17V Quiescent Current (SKY) VEN/UVLO = 1.5V, VRUN/SS(1,2,3,4) = Open, 4.4 mA VFB(1,2,3,4) = 0.9V, VSKY = 17V 3504fa 2 For more information www.linear.com/LT3504 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts