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PTH03060YAS датащи(PDF) 1 Page - Texas Instruments |
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PTH03060YAS датащи(HTML) 1 Page - Texas Instruments |
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1 / 19 page ![]() www.ti.com 10-A NON-ISOLATED DDR/QDR FEATURES (25,4 mm x 15,75 mm) NOMINAL SIZE 1 in. x 0.62 in DESCRIPTION VIN Standby GND V TT V REF Co 1 Low−ESR (Required) C IN (Required) 1 k 1 % 1 k 1 % V DDQ SSTL−2 Bus Co 2 Ceramic (Optional) Q 1 BSS138 (Optional) Co n hf−Ceramic PTHxx060Y (Top View) 1 2 10 9 8 7 6 5 4 3 CIN = Required Capacitor; 330µF (3.3 ± 5 V Input), 560 µF (12 V Input). Co1 = Required Low-ESR Electrolyitic Capacitor; 470 µF (3.3 ± 5 V Input), 940 µF (12 V Input). Co2 = Ceramic Capacitance for Optimum Response to a 3 A (+ 1.5 A) Load Transient; 200 µF (3.3 ± 5 V Input), 400 µF (12 V Input). Con = Distributed hf-Ceramic Decoupling Capacitors for VTT bus; as Recommended for DDR Memory Applications. PTH03060Y PTH05060Y, PTH12060Y SLTS222A–MARCH 2004–REVISED OCTOBER 2005 MEMORY BUS TERMINATION MODULES • VTT Bus Termination Output • 57 W/in3 Power Density (Output Tracks the System VREF) • Safety Agency Approvals: • 10 A Output Current UL/cUL60950, EN60950, VDE • 3.3-V, 5-V or 12-V Input Voltage • Point-of-Load Alliance (POLA™) Compatible • DDR and QDR Compatible • On/Off Inhibit (for VTT Standby) • Undervoltage Lockout • Operating Temperature: –40°Cto85°C • Efficiencies up to 91% • Output Overcurrent Protection (Non-Latching, Auto-Reset) The PTHxx060Y are a series of ready-to-use switching regulator modules from Texas Instruments designed specifically for bus termination in DDR and QDR memory applications. Operating from either a 3.3-V, 5-V or 12-V input, the modules generate a VTT output that will source or sink up to 10 A of current to accurately track their VREF input. VTT is the required bus termination supply voltage, and VREF is the reference voltage for the memory and chipset bus receiver comparators. VREF is usually set to half the VDDQ power supply voltage. Both the PTHxx060Y series employs an actively switched synchronous rectifier output to provide state-of-the-art stepdown switching conversion. The products are small in size (1 in × 0.62 in), and are an ideal choice where space, performance, and high efficiency are desired, along with the convenience of a ready-to-use module. Operating features include an on/off inhibit and output over-current protection (source mode only). The on/off inhibit feature allows the VTT bus to be turned off to save power in a standby mode of operation. To ensure tight load regulation, an output remote sense is also provided. Package options include both throughhole and surface mount configurations. STANDARD APPLICATION Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. POLA is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2004–2005, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Аналогичный номер детали - PTH03060YAS |
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Аналогичное описание - PTH03060YAS |
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