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APW7046 Datasheet (PDF) - Anpec Electronics Coropration

APW7046 Datasheet PDF - Anpec Electronics Coropration
No. de pieza APW7046
Descarga  APW7046 Descarga

Tamaño del archivo   148.34 Kbytes
Page   12 Pages
Fabricante Electrónico  ANPEC [Anpec Electronics Coropration]
Página de inicio  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration
Descripción Electrónicos Dual Advanced PWM and Source-Sink Linear Controller

APW7046 Datasheet (PDF)

Go To PDF Page Descarga Datasheet
APW7046 Datasheet PDF - Anpec Electronics Coropration

No. de pieza APW7046
Descarga  APW7046 Click to download

Tamaño del archivo   148.34 Kbytes
Page   12 Pages
Fabricante Electrónico  ANPEC [Anpec Electronics Coropration]
Página de inicio  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration
Descripción Electrónicos Dual Advanced PWM and Source-Sink Linear Controller

APW7046 Datasheet (HTML) - Anpec Electronics Coropration

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APW7046 Detalles de producto

General Description
The APW7046 provides the power controls and protections for three output voltages on AGP/PCI Graphic Card applications. It integrates two PWM controllers , one SOURCE-SINK linear controller, as well as the monitor and protection functions into a single package. One PWM converter (PWM1) supplies the VCORE(1.5V) for the GPU with a standard buck converter. The other standard buck converter (PWM2) regulates the VMEM(2.5V) for the power of DDR memory. The SOURCE-SINK linear controller control two external MOSFETs to be a linear regulator with the capability of sourcing and sinking current. It regulates the VTT (1.25V) power for DDR Termination voltage.

Features
• 3 Regulated Voltages are provided
    − Standard Buck Converter for VCORE (1.15~1.50V)
    − Standard Buck Converter for VMEM (2.40~3.15V)
    −Linear Controller with SOURCE-SINK Regulation for VTT(1.25V)
• Simple Single-Loop Control Design
    − Voltage-Mode PWM Control
• Excellent Output Voltage Regulation
    − VCORE Output : ±1% Over Temperature
    − VMEM Output : ±1.5% Over Temperature
    − VTT Output : 1/2 VIN ±25mV Over Temperature Min. VIN = 1.7V
• Fast Transient Response
    − Built-in Feedback Compensation
    − Full 0% to 100% Duty Ratio
• Over-Voltage and Over-Current Fault Monitor
• Constant Frequency Operation(200kHz)
• 24 pins, SOIC Package

Applications
• M/B DDR Power Regulation
• AGP/PCI Graphics Power Regulation
• SSTL-2 Termination




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