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TF6003,3A,26V,340kHz同步整流降压DC-DC

TF6003】3A,26V,340kHz同步整流降压DC-DC

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TF6003 详细介绍

TF6003概述:3A,26V,340KHz同步整流降压DC-DC转换器
The TF6003 is a monolithic synchronous buck regulator featuring integrated 100mΩ MOSFETs that provide continuous 3A output load current. It operates over a wide 4.5V to 26V input voltage range and provides output voltage from 0.923V to 23V at up to 93% efficiency. Its current mode control circuitry provides fast transient response and cycle-by-cycle current limit.
The TF6003 operates at fixed 340 kHz switching frequency. It features programmable soft-start which prevents inrush current at turn-on. In shut-down mode it draws only 3 μA (MAX).
The TF6003 is offered in a thermally enhanced 8-pin SOIC package. It operates over an extended -40 °C to +85 °C temperature range. Features


TF6003技术特性
• 3A continuous (4A peak) output current
• Wide input voltage range: 4.5V to 26V
• Wide output voltage range: 0.923V to 23V
• High, >90%, efficiency (V= 5V, 0.15A < I < 3A) enabled by integrated 100 mΩ MOSFET switches
• Operates at fixed 340 kHz frequency for small filter size
• 3μA (MAX) shut-down supply current. Programmable soft-start, cycle-by-cycle over-current protection and input under-voltage lockout
• Industrial temperature range: -40 °C to +85 °C

TF6003应用领域
• High-Density Point-of-Load Regulators
• Distributed Power Systems
• Notebook and Netbook Computers
• Power Supplies for FPGAs, DSP Blocks and ASICs
• Set-Top Boxes
• xDSL Modems