Datasheet LT1374 (Analog Devices) - 2
| Fabricante | Analog Devices |
| Descripción | 4.5A, 500kHz Step-Down Switching Regulator |
| Páginas / Página | 32 / 2 — ABSOLUTE AXI U RATI GS (Note 1). PACKAGE/ORDER I FOR ATIO |
| Formato / tamaño de archivo | PDF / 720 Kb |
| Idioma del documento | Inglés |
ABSOLUTE AXI U RATI GS (Note 1). PACKAGE/ORDER I FOR ATIO
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- LT1374CFE#PBF LT1374CFE#TRPBF LT1374CR#PBF LT1374CR#TRPBF LT1374CR-5#PBF LT1374CR-5#TRPBF LT1374CR-5SYNC#PBF LT1374CR-5Sync#TRPBF LT1374CR-SYNC#PBF LT1374CR-Sync#TRPBF LT1374CS8#PBF LT1374CS8#TRPBF LT1374CS8-5#PBF LT1374CS8-5#TRPBF LT1374CS8-5SYNC#PBF LT1374CS8-5Sync#TRPBF LT1374CS8-SYNC#PBF LT1374CS8-Sync#TRPBF LT1374CT7#PBF LT1374CT7-5#PBF LT1374HVCFE#PBF LT1374HVCFE#TRPBF LT1374HVCR#PBF LT1374HVCR#TRPBF LT1374HVCS8#PBF LT1374HVCS8#TRPBF LT1374HVIFE#PBF LT1374HVIFE#TRPBF LT1374HVIR#PBF LT1374HVIR#TRPBF LT1374HVIS8#PBF LT1374HVIS8#TRPBF LT1374IFE#PBF LT1374IFE#TRPBF LT1374IR#PBF LT1374IR#TRPBF LT1374IR-5#PBF LT1374IR-5#TRPBF LT1374IR-5SYNC#PBF LT1374IR-SYNC#PBF LT1374IS8#PBF LT1374IS8#TRPBF LT1374IS8-5#PBF LT1374IS8-5#TRPBF LT1374IS8-5SYNC#PBF LT1374IS8-SYNC#PBF LT1374IT7#PBF LT1374IT7-5#PBF
Versión de texto del documento
LT1374
W W W U ABSOLUTE AXI U RATI GS (Note 1)
Input Voltage FB Pin Current (Adjustable Part) .. 1mA LT1374 ... 25V SENSE Voltage (Fixed 5V Part) ... 7V LT1374HV .. 32V SYNC Pin Voltage ... 7V BOOST Pin Voltage ... 38V Operating Junction Temperature Range BOOST Pin Above Input Voltage ... 15V LT1374C ... 0°C to 125° C SHDN Pin Voltage ... 7V LT1374I ... – 40°C to 125°C BIAS Pin Voltage .. 7V Storage Temperature Range .. – 65°C to 150°C FB Pin Voltage (Adjustable Part) .. 3.5V Lead Temperature (Soldering, 10 sec)... 300°C
U W U PACKAGE/ORDER I FOR ATIO
ORDER ORDER PART NUMBER PART NUMBER FRONT VIEW 7 FB OR SENSE* 6 BOOST LT1374CR LT1374CS8 TAB 5 VIN LT1374CR-5 IS 4 GND LT1374CS8-5 GND 3 VSW LT1374CR-SYNC LT1374CS8-SYNC 2 SYNC OR SHDN* 1 VC TOP VIEW LT1374CR-5 SYNC LT1374CS8-5 SYNC R PACKAGE V 1 8 IN VSW LT1374HVCR LT1374HVCS8 7-LEAD PLASTIC DD SYNC BOOST 2 7 LT1374IR OR SHDN* LT1374IS8 T FB OR JMAX = 125°C, θJA = 30°C/ W 3 6 VC SENSE* WITH PACKAGE SOLDERED TO 0.5 SQUARE INCH LT1374IR-5 LT1374IS8-5 FGND 4 5 BIAS COPPER AREA OVER BACKSIDE GROUND PLANE LT1374IR-SYNC OR INTERNAL POWER PLANE. LT1374IS8-SYNC θJA CAN VARY S8 PACKAGE FROM 20°C/W TO > 40°C/W DEPENDING ON LT1374IR-5 SYNC 8-LEAD PLASTIC SO LT1374IS8-5 SYNC MOUNTING TECHNIQUES LT1374HVIR LT1374HVIS8 θJA = 80°C/ W WITH FUSED (FGND) GROUND PIN CONNECTED TO GROUND ORDER PLANE OR LARGE LANDS S8 PART MARKING PART NUMBER TOP VIEW 1374 1374I GND 1 16 GND LT1374CFE 13745 1374I5 NC 2 15 VSW LT1374IFE 1374SN 374ISN V 3 14 IN VSW LT1374HVCFE 3745SN 74I5SN V 4 13 IN SYNC LT1374HVIFE 1374HV 374HVI BOOST 5 12 SHDN FB/SENSE 6 11 VC TAB IS ORDER GND FRONT VIEW NC 7 10 BIAS PART NUMBER 7 FB OR SENSE* GND 8 9 GND FE PART MARKING 6 BOOST 5 VIN FE16 PACKAGE LT1374CT7 1374CFE 4 GND 16-LEAD PLASTIC TSSOP 3 VSW LT1374CT7-5 1374IFE 2 SHDN θJA = 40°C/ W 1 VC EXPOSED PAD SOLDERED TO LT1374IT7 1374HVCFE GROUND PLANE T7 PACKAGE LT1374IT7-5 1374HVIFE 7-LEAD PLASTIC TO-220 TJMAX = 125°C, θJA = 50°C/ W, θJC = 4°C/ W *Default is the adjustable output voltage device with FB pin and shutdown function. Option -5 replaces FB with SENSE pin for fixed 5V output applications. -SYNC replaces SHDN with SYNC pin for applications requiring synchronization. Consult LTC Marketing for parts specified with wider operating temperature ranges. 1374fd 2
W W W U ABSOLUTE AXI U RATI GS (Note 1)
Input Voltage FB Pin Current (Adjustable Part) .. 1mA LT1374 ... 25V SENSE Voltage (Fixed 5V Part) ... 7V LT1374HV .. 32V SYNC Pin Voltage ... 7V BOOST Pin Voltage ... 38V Operating Junction Temperature Range BOOST Pin Above Input Voltage ... 15V LT1374C ... 0°C to 125° C SHDN Pin Voltage ... 7V LT1374I ... – 40°C to 125°C BIAS Pin Voltage .. 7V Storage Temperature Range .. – 65°C to 150°C FB Pin Voltage (Adjustable Part) .. 3.5V Lead Temperature (Soldering, 10 sec)... 300°C
U W U PACKAGE/ORDER I FOR ATIO
ORDER ORDER PART NUMBER PART NUMBER FRONT VIEW 7 FB OR SENSE* 6 BOOST LT1374CR LT1374CS8 TAB 5 VIN LT1374CR-5 IS 4 GND LT1374CS8-5 GND 3 VSW LT1374CR-SYNC LT1374CS8-SYNC 2 SYNC OR SHDN* 1 VC TOP VIEW LT1374CR-5 SYNC LT1374CS8-5 SYNC R PACKAGE V 1 8 IN VSW LT1374HVCR LT1374HVCS8 7-LEAD PLASTIC DD SYNC BOOST 2 7 LT1374IR OR SHDN* LT1374IS8 T FB OR JMAX = 125°C, θJA = 30°C/ W 3 6 VC SENSE* WITH PACKAGE SOLDERED TO 0.5 SQUARE INCH LT1374IR-5 LT1374IS8-5 FGND 4 5 BIAS COPPER AREA OVER BACKSIDE GROUND PLANE LT1374IR-SYNC OR INTERNAL POWER PLANE. LT1374IS8-SYNC θJA CAN VARY S8 PACKAGE FROM 20°C/W TO > 40°C/W DEPENDING ON LT1374IR-5 SYNC 8-LEAD PLASTIC SO LT1374IS8-5 SYNC MOUNTING TECHNIQUES LT1374HVIR LT1374HVIS8 θJA = 80°C/ W WITH FUSED (FGND) GROUND PIN CONNECTED TO GROUND ORDER PLANE OR LARGE LANDS S8 PART MARKING PART NUMBER TOP VIEW 1374 1374I GND 1 16 GND LT1374CFE 13745 1374I5 NC 2 15 VSW LT1374IFE 1374SN 374ISN V 3 14 IN VSW LT1374HVCFE 3745SN 74I5SN V 4 13 IN SYNC LT1374HVIFE 1374HV 374HVI BOOST 5 12 SHDN FB/SENSE 6 11 VC TAB IS ORDER GND FRONT VIEW NC 7 10 BIAS PART NUMBER 7 FB OR SENSE* GND 8 9 GND FE PART MARKING 6 BOOST 5 VIN FE16 PACKAGE LT1374CT7 1374CFE 4 GND 16-LEAD PLASTIC TSSOP 3 VSW LT1374CT7-5 1374IFE 2 SHDN θJA = 40°C/ W 1 VC EXPOSED PAD SOLDERED TO LT1374IT7 1374HVCFE GROUND PLANE T7 PACKAGE LT1374IT7-5 1374HVIFE 7-LEAD PLASTIC TO-220 TJMAX = 125°C, θJA = 50°C/ W, θJC = 4°C/ W *Default is the adjustable output voltage device with FB pin and shutdown function. Option -5 replaces FB with SENSE pin for fixed 5V output applications. -SYNC replaces SHDN with SYNC pin for applications requiring synchronization. Consult LTC Marketing for parts specified with wider operating temperature ranges. 1374fd 2