Datasheet LT3570 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 1.5A Buck Converter, 1.5A Boost Converter and LDO Controller |
| Pages / Page | 20 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. … |
| File Format / Size | PDF / 295 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
Model Line for this Datasheet
Text Version of Document
LT3570
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN1, VIN2, VIN3, VBIAS Voltage ..40V VC1, VC2 Voltage ..3V BOOST Voltage ...60V Maximum Junction Temperature... 125°C BOOST Pin Above SW2 ...25V Operating Temperature Range (Note 2).. –40°C to 125°C NPN_DRV Voltage ...8V Storage Temperature Range SW1 Voltage ...40V TSSOP ... –65°C to 150°C SHDN1, SHDN2, SHDN3 Voltage ..40V QFN .. –65°C to 125°C SYNC, RT Voltage ..3V Lead Temperature (Soldering, 10 sec) SS1, SS2 Voltage ..3V TSSOP Only .. 300°C FB1, FB2, FB3 Voltage ...10V
PIN CONFIGURATION
TOP VIEW V TOP VIEW FB1 1 20 V IN3 C1 BOOST BIAS V NPN_DR FB3 FB2 SHDN1 2 19 SS1 24 23 22 21 20 19 SHDN2 3 18 VIN1 V 1 18 IN2 VC2 SHDN3 4 17 GND VIN2 2 17 SS2 SYNC 5 16 SW1 SW2 3 16 GND 21 25 SW1 4 15 R R 6 T 15 SW2 T GND 5 14 SYNC SS2 7 14 VIN2 GND 6 13 SHDN3 V 8 C2 13 BOOST FB2 9 12 V 7 8 9 10 11 12 IN3 FB3 10 11 NPN_DRV IN1 C1 V SS1 V FB1 SHDN1 SHDN2 FE PACKAGE UF PACKAGE 20-LEAD PLASTIC TSSOP 24-LEAD (4mm s 4mm) PLASTIC QFN TJMAX = 125°C, θJA = 38°C/W TJMAX = 125°C, θJA = 37°C/W EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3570EUF#PBF LT3570EUF#TRPBF 3570 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LT3570IUF#PBF LT3570IUF#TRPBF 3570 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LT3570EFE#PBF LT3570EFE#TRPBF LT3570FE 20-Lead Plastic TSSOP –40°C to 125°C LT3570IFE#PBF LT3570IFE#TRPBF LT3570FE 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/ 3570fb 2
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN1, VIN2, VIN3, VBIAS Voltage ..40V VC1, VC2 Voltage ..3V BOOST Voltage ...60V Maximum Junction Temperature... 125°C BOOST Pin Above SW2 ...25V Operating Temperature Range (Note 2).. –40°C to 125°C NPN_DRV Voltage ...8V Storage Temperature Range SW1 Voltage ...40V TSSOP ... –65°C to 150°C SHDN1, SHDN2, SHDN3 Voltage ..40V QFN .. –65°C to 125°C SYNC, RT Voltage ..3V Lead Temperature (Soldering, 10 sec) SS1, SS2 Voltage ..3V TSSOP Only .. 300°C FB1, FB2, FB3 Voltage ...10V
PIN CONFIGURATION
TOP VIEW V TOP VIEW FB1 1 20 V IN3 C1 BOOST BIAS V NPN_DR FB3 FB2 SHDN1 2 19 SS1 24 23 22 21 20 19 SHDN2 3 18 VIN1 V 1 18 IN2 VC2 SHDN3 4 17 GND VIN2 2 17 SS2 SYNC 5 16 SW1 SW2 3 16 GND 21 25 SW1 4 15 R R 6 T 15 SW2 T GND 5 14 SYNC SS2 7 14 VIN2 GND 6 13 SHDN3 V 8 C2 13 BOOST FB2 9 12 V 7 8 9 10 11 12 IN3 FB3 10 11 NPN_DRV IN1 C1 V SS1 V FB1 SHDN1 SHDN2 FE PACKAGE UF PACKAGE 20-LEAD PLASTIC TSSOP 24-LEAD (4mm s 4mm) PLASTIC QFN TJMAX = 125°C, θJA = 38°C/W TJMAX = 125°C, θJA = 37°C/W EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3570EUF#PBF LT3570EUF#TRPBF 3570 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LT3570IUF#PBF LT3570IUF#TRPBF 3570 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LT3570EFE#PBF LT3570EFE#TRPBF LT3570FE 20-Lead Plastic TSSOP –40°C to 125°C LT3570IFE#PBF LT3570IFE#TRPBF LT3570FE 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/ 3570fb 2
