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ATH10T033 Datasheet(PDF) 1 Page - Astec America, Inc |
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ATH10T033 Datasheet(HTML) 1 Page - Astec America, Inc |
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1 / 14 page  North America (USA): 1-888-41-ASTEC Europe (UK): 44(1384)842-211 Asia (HK): 852-2437-9662 Standard Application Features • Up to 10-A Output Current • 3.3-V Input Voltage • Wide-Output Voltage Adjust (0.8 V to 2.5 V) • Efficiencies up to 96 % • 114 W/in³ Power Density • On/Off Inhibit • Output Voltage Sense • Pre-Bias Startup • Margin Up/Down Controls • Under-Voltage Lockout • Auto-Track™ Sequencing • Output Over-Current Protection (Non-Latching, Auto-Reset) • Operating Temp: –40 to +85 °C • DSP Compatible Output Voltages • IPC Lead Free 2 • Safety Agency Approvals (Pending) UL 1950, CSA 22.2 950, & EN60950 • Point-of-Load Alliance (POLA) Compatible Description The ATH10T033 series non-isolated power module is small in size but big on performance and flexibility. Its high out- put current, compact footprint, and industry-leading features offers system designers a versatile module for powering complex multi-processor digital systems. This product employs double-sided surface mount construction and provides high-performance step-down power conversion for up to 10 A of output cur- rent from a 3.3-V input bus voltage. The output voltage is adjustable and can be set to any value over the range, 0.8 V to 2.5 V, using a single resistor. This series includes Auto-Track™ Sequencing. Auto-Track simplifies the task of supply voltage sequencing in a power system by enabling modules to track each other, or any external voltage, during power up and power down. Other operating features include an on/off inhibit, margin up/down controls, and the ability to start up into an existing output voltage or prebias. To ensure tight load regulation, an output voltage sense is also provided. A non-latching over- current trip serves as load fault protection. Target applications include complex multi-voltage, multi-processor systems that incorporate the industry’s high-speed DSPs, micro-processors and bus drivers. Auto-Track™ Sequencing Pin Configuration Pin Function 1 GND 2Vin 3 Inhibit * 4Vo Adjust 5Vo Sense 6Vout 7 GND 8 Track 9 Margin Down * 10 Margin Up * * Denotes negative logic: Open = Normal operation Ground = Function active NOMINAL SIZE = 1 in x 0.62 in (25,4 mm x 15,75 mm) Margin Up Margin Down V IN L O A D C IN 330 µF (Required) C OUT 330 µF (Optional) Inhibit GND GND V OUT V o Sense Track R SET 1 %, 0.1 W (Required) PTH03060W (Top View) 1 2 10 9 8 7 6 5 4 3 Rset = Resistor to set the desired output voltage (see spec. table for values) Cin = Required 330 µF capacitor Cout = Optional 330 µF capacitor ATH10T033 Series —3.3 V Input 10-A, 3.3-V Input Non-Isolated Step-Down Switching Power Module REVISION 00 (4DEC2003) ATH10T033-9S |
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