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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L6728D датащи(PDF) 1 Page - STMicroelectronics |
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L6728D датащи(HTML) 1 Page - STMicroelectronics |
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1 / 33 page  February 2010 Doc ID 16498 Rev 1 1/33 33 L6728D Single-phase PWM controller with Power Good Features ■ Flexible power supply from 5 V to 12 V ■ Power conversion input as low as 1.5 V ■ 0.8 V internal reference ■ 0.8% output voltage accuracy ■ High-current integrated drivers ■ Power Good output ■ Sensorless and programmable OCP across low-side RDS(on) ■ OV / UV protection ■ VSEN disconnection protection ■ Oscillator internally fixed at 300 kHz ■ LSLess to manage pre-bias startup ■ Adjustable output voltage ■ Disable function ■ Internal soft-start ■ DFN10 package Applications ■ Memory and termination supply ■ Subsystem power supply (MCH, IOCH, PCI, etc.) ■ CPU and DSP power supply ■ Distributed power supply ■ General DC-DC converters Description L6728D is a single-phase step-down controller with integrated high-current drivers that provides complete control logic and protection to simplify the design of general DC-DC converters by using a compact DFN10 package. Device flexibility allows the management of conversions with power input (VIN) as low as 1.5 V, and device supply voltage ranging from 5 V to 12 V. The L6728D provides a simple control loop with voltage mode EA. The integrated 0.8 V reference allows output voltages regulation with ±0.8% accuracy over line and temperature variations. The oscillator is internally fixed to 300 kHz. The L6728D provides programmable dual level overcurrent protection, as well as overvoltage and undervoltage protection. Current information is monitored across the low-side MOSFET RDS(on), eliminating the need for expensive and space- consuming sense resistors. A PGOOD output easily provides real-time information on output voltage status, through the VSEN dedicated output monitor. DFN10 Table 1. Device summary Order codes Package Packaging L6728D DFN10 Tube L6728DTR Tape and reel www.st.com |
Аналогичный номер детали - L6728D |
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Аналогичное описание - L6728D |
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