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ATH15T033 Datasheet(PDF) 1 Page - Astec America, Inc |
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ATH15T033 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 15-A Output Current • 3.3-V Input Voltage • Wide-Output Voltage Adjust (0.8 V to 2.5 V) • Efficiencies up to 95 % • 125 W/in³ Power Density • On/Off Inhibit • Output Voltage Sense • Pre-Bias Startup • Output Over-Current Protection (Non-Latching, Auto-Reset) ATH15T033 Series —3.3-V Input 15-A, 3.3-V Input Non-Isolated Wide-Output Adjust Power Module Rset = Resistor to set the desired output voltage (see spec. table for values) Cin = Required electrolytic 470 µF Cout = Recommended 330 µF electrolytic • Auto-Track™ Sequencing • Margin Up/Down Controls • Under-Voltage Lockout • 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 Margin Up Margin Down V IN L O A D C IN 470 µF (Required) C OUT 330 µF (Optional) Inhibit GND GND V OUT V o Sense Track R SET 0.5 %, 0.1 W (Required) PTH03010W (Top View) 1 2 10 9 8 7 6 5 4 3 Description The ATH15T033 series of non-isolated power modules are small in size but big on performance and flexibility. Their high output current, compact footprint, and industry-leading features offers system designers a versatile module for powering complex multi-processor digital systems. The series employs double-sided surface mount construction and provides high- performance step-down power conversion for up to 15 A of output current from a 3.3-V input bus voltage. The output volt- age of the ATH15T033 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™. 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, output voltage adjust (trim), and margin up/down controls. 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 = 1.37 in x 0.62 in (34,8 mm x 15,75 mm) ATH15T033-9S REVISION 00 (3DEC2003) |
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