• Part: L6730D
  • Description: Adjustable step-down controller
  • Manufacturer: STMicroelectronics
  • Size: 1.45 MB
Download L6730D Datasheet PDF
STMicroelectronics
L6730D
L6730D is Adjustable step-down controller manufactured by STMicroelectronics.
- Part of the L6730C comparator family.
Features - - - Input voltage range from 1.8V to 14V Supply voltage range from 4.5V to 14V Adjustable output voltage down to 0.6V with ±0.8% accuracy over line voltage and temperature (0°C~125°C) Fixed frequency voltage mode control TON lower than 100ns 0% to 100% duty cycle Selectable 0.6V or 1.2V internal voltage reference External input voltage reference Soft-start and inhibit High current embedded drivers Predictive anti-crossconduction control Selectable UVLO threshold (5V or 12V bus) Programmable high-side and low-side RDS(on) sense over-current-protection Switching frequency programmable from 100KHz to 1MHz Master/slave synchronization with 180° phase shift Pre-bias start up capability (L6730C) Selectable source/sink or source only capability after soft-start (L6730C) Selectable constant current or hiccup mode overcurrent protection after soft-start (L6730D) - - - - - - - - - - - - - - - - - - - HTSSOP20 QFN 4x4 24L Power good output with programmable delay Over voltage protection with selectable latched/not-latched mode Thermal shut-down Package: HTSSOP20, QFN4x4 24L Applications - - - - - High performance / high density DC-DC modules Low voltage distributed DC-DC ni POL converters DDR memory supply DDR memory bus termination supply Order Codes Part number L6730CQ L6730CQTR L6730C L6730CTR L6730D L6730DTR June 2006 Package QFN4x4 24L QFN4x4 24L HTSSOP20 HTSSOP20 HTSSOP20 HTSSOP20 Rev 2 Packing Tube Tape & Reel Tube Tape & Reel Tube Tape & Reel 1/50 .st. 50 This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice. Contents L6730C - L6730D Contents 1 Summary description - - - - - - - - . . 4 1.1 Functional description - - - - - - - - . . . 5 Electrical data -...