Datasheet LT8650S (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | Dual Channel 4A, 42V, Synchronous Step-Down Silent Switcher 2 with 6.2µA Quiescent Current |
| Pages / Page | 32 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| Revision | A |
| File Format / Size | PDF / 1.4 Mb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION http://www.linear.com/product/LT8650S#orderinfo
Model Line for this Datasheet
LT8650S
Text Version of Document
LT8650S
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN1, VIN2, EN/UV1, EN/UV2, PG1, PG2 ...42V BIAS ..30V VC2 FB2 SS2 SS1 FB1 VC1 FB1, FB2, SS1, SS2 . ...4V 32 31 30 29 28 27 VC1, VC2 ..3.5V RT 1 26 BIAS SYNC. ...6V GND 2 25 VCC 33 34 Operating Junction Temperature Range (Note 2) GND GND 24 BST1 LT8650SE .. –40 to 125°C VIN1 4 23 SW1 LT8650SI ... –40 to 125°C VIN1 5 22 SW1 Storage Temperature Range ..–65 to 150°C 35 36 GND GND Maximum Reflow (Package Body) Temperature ..260°C VIN2 7 20 SW2 VIN2 8 19 SW2 37 38 GND GND 18 BST2 GND 10 17 CLKOUT 11 12 13 14 15 16 EN1 EN2 PG1 PG2 TEMP SYNC LQFN PACKAGE 32-LEAD (6mm × 4mm × 0.94mm) TJMAX = 125°C, θJA = 23°C/W EXPOSED PAD (PINS 33, 34, 35, 36, 37, 38) ARE GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION http://www.linear.com/product/LT8650S#orderinfo PART MARKING PACKAGE** MSL TEMPERATURE RANGE PART NUMBER PAD OR BALL FINISH DEVICE FINISH CODE TYPE RATING (SEE NOTE 2)
LT8650SEV#PBF –40°C to 125°C Au (RoHS) 8650SV e4 LQFN (Laminate Package with QFN Footprint) 3 LT8650SIV#PBF –40°C to 125°C • Device temperature grade is indicated by a label on the shipping container. • Recommended PCB Assembly and Manufacturing Procedures: • Pad or ball finish code is per IPC/JEDEC J-STD-609. www.linear.com/umodule/pcbassembly • Terminal Finish Part Marking: www.linear.com/leadfree • Package and Tray Drawings: www.linear.com/packaging • Parts ending with PBF are RoHS and WEEE compliant. **The LT8650S package has the same dimensions as a standard 6mm × 4mm QFN package
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage l 2.6 3 V VIN1 Quiescent Current in Shutdown VEN/UV1 = VEN/UV2 = 0V, VSYNC = 0V 1.7 4 µA l 8 µA VIN1 + VCC Quiescent Current in VEN/UV1 = VEN/UV2 = 2V, VFB1 = VFB2 >0.8V, VVC1 = VVC2 = VCC, 3.7 8 µA Sleep with Internal Compensation VSYNC = 0V l 16 µA VIN1 + VCC Quiescent Current in VEN/UV1 = VEN/UV2 = 2V, VFB1 = VFB2 >0.8V, VVC1 = VVC2 = Float, 90 120 µA Sleep with External Compensation VSYNC = 0V l 140 µA Rev A 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN1, VIN2, EN/UV1, EN/UV2, PG1, PG2 ...42V BIAS ..30V VC2 FB2 SS2 SS1 FB1 VC1 FB1, FB2, SS1, SS2 . ...4V 32 31 30 29 28 27 VC1, VC2 ..3.5V RT 1 26 BIAS SYNC. ...6V GND 2 25 VCC 33 34 Operating Junction Temperature Range (Note 2) GND GND 24 BST1 LT8650SE .. –40 to 125°C VIN1 4 23 SW1 LT8650SI ... –40 to 125°C VIN1 5 22 SW1 Storage Temperature Range ..–65 to 150°C 35 36 GND GND Maximum Reflow (Package Body) Temperature ..260°C VIN2 7 20 SW2 VIN2 8 19 SW2 37 38 GND GND 18 BST2 GND 10 17 CLKOUT 11 12 13 14 15 16 EN1 EN2 PG1 PG2 TEMP SYNC LQFN PACKAGE 32-LEAD (6mm × 4mm × 0.94mm) TJMAX = 125°C, θJA = 23°C/W EXPOSED PAD (PINS 33, 34, 35, 36, 37, 38) ARE GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION http://www.linear.com/product/LT8650S#orderinfo PART MARKING PACKAGE** MSL TEMPERATURE RANGE PART NUMBER PAD OR BALL FINISH DEVICE FINISH CODE TYPE RATING (SEE NOTE 2)
LT8650SEV#PBF –40°C to 125°C Au (RoHS) 8650SV e4 LQFN (Laminate Package with QFN Footprint) 3 LT8650SIV#PBF –40°C to 125°C • Device temperature grade is indicated by a label on the shipping container. • Recommended PCB Assembly and Manufacturing Procedures: • Pad or ball finish code is per IPC/JEDEC J-STD-609. www.linear.com/umodule/pcbassembly • Terminal Finish Part Marking: www.linear.com/leadfree • Package and Tray Drawings: www.linear.com/packaging • Parts ending with PBF are RoHS and WEEE compliant. **The LT8650S package has the same dimensions as a standard 6mm × 4mm QFN package
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage l 2.6 3 V VIN1 Quiescent Current in Shutdown VEN/UV1 = VEN/UV2 = 0V, VSYNC = 0V 1.7 4 µA l 8 µA VIN1 + VCC Quiescent Current in VEN/UV1 = VEN/UV2 = 2V, VFB1 = VFB2 >0.8V, VVC1 = VVC2 = VCC, 3.7 8 µA Sleep with Internal Compensation VSYNC = 0V l 16 µA VIN1 + VCC Quiescent Current in VEN/UV1 = VEN/UV2 = 2V, VFB1 = VFB2 >0.8V, VVC1 = VVC2 = Float, 90 120 µA Sleep with External Compensation VSYNC = 0V l 140 µA Rev A 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
