FAN5355集成電路（IC）的穩(wěn)壓器-DC-DC開關(guān)穩(wěn)壓器規(guī)格書PDF中文資料

FAN5355屬于集成電路（IC）的穩(wěn)壓器-DC-DC開關(guān)穩(wěn)壓器。由安森美半導(dǎo)體公司制造生產(chǎn)的FAN5355穩(wěn)壓器 - DC-DC 開關(guān)穩(wěn)壓器DC-DC 開關(guān)穩(wěn)壓器 PMIC（電源管理集成電路）產(chǎn)品族中的產(chǎn)品是元器件級設(shè)備，用于需要穩(wěn)定 DC 輸入電壓和/或?qū)⑵滢D(zhuǎn)換為不同幅度的輸出電壓的應(yīng)用。這些器件與稱為“控制器”PMIC 的類似產(chǎn)品的區(qū)別在于集成了主開關(guān)元件，設(shè)備提供的電力會通過該元件。

Description

The FAN5355 device is a high-frequency, ultra-fast transient response, synchronous step-down DC-DC converter optimized for low-power applications using small, low-cost inductors and capacitors. The FAN5355 supports up to 800 mA, 1 A, or 1.1 A load current.

Features

■ 93 Efficiency at 3 MHz

■ 800 mA, 1 A, or 1.1 A Output Current

■ I2C?-Compatible Interface up to 3.4 Mbps

■ 6-bit VOUT Programmable from 0.75 V to 1.975 V

■ 2.7 V to 5.5 V Input Voltage Range

■ 3 MHz Fixed-Frequency Operation

■ Excellent Load and Line Transient Response

■ Small Size, 1 μH Inductor Solution

■ ±2 PWM DC Voltage Accuracy

■ 35 ns Minimum On-Time

■ High-Efficiency, Low-Ripple, Light-Load PFM

■ Smooth Transition between PWM and PFM

■ 37 μA Operating PFM Quiescent Current

■ Pin-Selectable or I2C? Programmable Output Voltage

■ On-the-Fly External Clock Synchronization

■ 10-lead MLP (3 x 3 mm) or 12-bump CSP Packages

Applications

■ Cell Phones, Smart Phones

■ 3G, WiFi?, WiMAX?, and WiBro? Data Cards

■ Netbooks?, Ultra-Mobile PCs

■ SmartReflex?-Compliant Power Supply

■ Split Supply DSPs and μP Solutions OMAP?, XSCALE?

■ Mobile Graphic Processors (NVIDIA?, ATI)

■ LPDDR2 and Memory Modules