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L6750TR датащи(PDF) 1 Page - STMicroelectronics |
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L6750TR датащи(HTML) 1 Page - STMicroelectronics |
1 / 3 page Data Brief For further information contact your local STMicroelectronics sales office. February 2008 Rev 1 1/3 3 L6750 2 to 5 phase controller with LTB technology® for VR11.x and AMD6bit CPUs featuring I2C interface Features ■ LTB technology® to enhance load transient ■ I2C power manager ■ 2 to 5 scalable phase operation ■ Dual-edge asynchronous architecture ■ Flexible driver support ■ PSI# input and IMON output for VR11.1 ■ 7/8 bit programmable output - VR10/11.x DAC ■ 6 bit programmable output - AMD AM2 DAC ■ 0.5 % output voltage accuracy ■ Full-differential current sense across inductor DCR ■ Integrated remote sense buffer ■ Adaptive Voltage Positioning (AVP) ■ Feedback disconnection protection ■ Adjustable oscillator from 100 kHz to 1 MHz ■ LSLess startup to manage pre-biased output ■ Programmable Soft-start ■ Threshold sensitive enable pin for VTT Sensing ■ VFQFPN48 7x7 mm package Applications ■ High-Current VRM / VRD for desktop / server / workstation CPUs ■ Graphic cards ■ Low-voltage, high-current power supplies ■ High-density DC DC converters Description L6750 is a two-to-five phase controller designed to power Intel’s most demanding PIV Processors and, most in general, low-voltage, high-current power supplies. The device features LTB technology® to provide the fastest response to load transients thus minimizing the output filter composition. L6750 features Power Manager I2C to implement overspeeding and other power management options without using any external component. The device embeds selectable DAC: Output Volt- age is programmable up to 1.6000V (Intel VR10 and VR11.x DACs) or up to 1.550V (AMD 6bit DAC) managing DVID transitions with ±0.5% out- put voltage accuracy over line, load and tempera- ture variations. The device assures fast protection against load over current, under / over voltage and feedback disconnections. Low-Side-Less start-up allows soft-start over pre-biased output avoiding danger- ous current return through the main inductors as well as negative spike at the load side.L6750 is available in VFQFPN48 7x7 mm package VFQFPN48 - 7x7 mm Table 1. Device summary Order code Package Packing L6750 VFQFPN48 Tube L6750TR VFQFPN48 Tape and reel www.st.com |
Аналогичный номер детали - L6750TR |
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Аналогичное описание - L6750TR |
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