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PTH05050WAD Datasheet(PDF) 1 Page - Texas Instruments |
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PTH05050WAD Datasheet(HTML) 1 Page - Texas Instruments |
1 / 16 page For technical support and further information, visit http://power.ti.com 6-A, 5-V Input Non-Isolated Wide-Output Adjust Power Module Features • Up to 6-A Output Current • 5-V Input Voltage • Wide-Output Voltage Adjust (0.8 V to 3.6 V) • Efficiencies up to 95 % • 135 W/in³ Power Density • On/Off Inhibit • Pre-Bias Startup • Under-Voltage Lockout • Operating Temp: –40 to +85 °C • Auto-Track™ Sequencing • Output Over-Current Protection (Non-Latching, Auto-Reset) • IPC Lead Free 2 • Safety Agency Approvals: UL 1950, CSA 22.2 950, EN60950 VDE (Pending) • Point-of-Load Alliance (POLA) Compatible Auto-Track™ Sequencing Pin Configuration Pin Function 1 GND 2 Track 3Vin 4 Inhibit * 5Vo Adjust 6Vout * Denotes negative logic: Open = Normal operation Ground = Function active NOMINAL SIZE =0.87 in x 0.5 in (22,1 mm x 12,57 mm) PTH05050W —5-V Input SLTS213C – MAY 2003 – REVISED MAY 2004 Standard Application Description The PTH05050 is one of the smallest non-isolated power modules from Texas Instruments that features Auto-Track™. Auto-Track simplifies supply voltage sequencing in power systems by enabling modules to track each other, or any other external voltage, during power up and power down. Although small in size (0.87 in × 0.5 in), these modules are rated for up to 6 A of output current, and are an ideal choice in applications where space, performance, and a power-up sequencing capability are important attributes. The product provides high-performance step-down conversion from a 5-V input bus voltage. The output voltage of the PTH05050W can be set to any voltage over the range, 0.8 V to 3.6 V, using a single resistor. Other operating features include an on/off inhibit, output voltage adjust (trim), and output over-current protection. For high efficiency these parts employ a synchronous rectifier output stage, but a pre-bias hold-off capability ensures that the output will not sink current during startup. Target applications include telecom, industrial, and general purpose circuits, including low-power dual-voltage systems that use a DSP, microprocessor, ASIC, or FPGA. Package options include both through- hole and surface mount configurations. V IN Inhibit GND GND V OUT Track R SET 1 %, 0.1 W (Required) Co 1 100 µF Electrolytic (Optional) C IN 100 µF (Required) Co 2 10 µF Ceramic (Optional) PTH05050W (Top View) 1 5 2 3 4 6 Rset = Required to set the output voltage to a value higher than 0.8 V. (See spec. table for values) Cin = Required 100 µF Co1 = Optional 100 µF capacitor Co2 = Optional 10 µF ceramic capacitor for reduced output ripple. |
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