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PT8104 Datasheet(PDF) 1 Page - Texas Instruments |
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PT8104 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 14 page For technical support and more information, see inside back cover or visit www.ti.com/powertrends For technical support and more information, see inside back cover or visit www.ti.com/powertrends For technical support and more information, see inside back cover or visit www.ti.com/powertrends 1 Standard Application (See p.3 for PT8104 application schematic) PT8100 Series Description The PT8100 Excalibur™ power modules are a family of high-output, high-efficiency, fully integrated switching regulators (ISRs), housed in a solderable 31-pin space-saving copper package. Modules are avail- able for operation from either a 3.3V or 5V nominal input bus voltage. Each provides up to 40A of output current at output voltages as low as 0.8V. The output voltage is pro- grammable via a 5-bit input code. The PT8100 series incorporates a state-of-the-art, 2-phase, multiple power path topology. This extends the output current range while pro- viding superior transient response Features • 40ADC Output Current • +3.3V or +5V Input • Low Output Voltages: 0.8V—2.7V • High Efficiency • Programmable Output: (VRM Compatible 5-bit Codes) • Multiphase Topology C1 = Required 1500µF electrolytic input capacitor C2 = Required 660µF low ESR OS-Con®, or 1,200µF aluminum electrolytic Lin/C3 = Optional input filter components. 1µH input choke and 100µF electroytic capacitor. Ordering Information Output Voltage Input Part No. Progam Range Bus PT8101 H =1.300 to 2.70V 5V PT8102 H =1.075 to 1.85V 5V PT8103 H =1.075 to 1.85V 3.3V PT8104 H =1.050 to 1.825V 5V PT8105 H =0.800 to 1.575V 3.3V 40-A 3.3/5-V Input Programmable Integrated Switching Regulator SLTS157A (Revised 8/23/2002) PT8100 Series (Except PT8104) 43 21 31 23–30 6 17–22 12–16 L O A D C 2 660µF Required + C 1 1,500µF Required + PROGRAMMING PINS V IN V OUT GND REMOTE SENSE STBY* VID0 VID1 VID2 VID3 L 1 1µH GND VID4 5 VID Common 11 C 3 100µF Optional + and input current ripple performance. The modules are designed for high- end computing and signal processing applications, both of which demand high output currents at low supply voltages. The modules have a number of standard features to facilitate system integration. These include short- circuit protection, thermal shutdown, standby (On/Off) control, and an output remote sense to compensate for voltage drop between the regu- lator and the load. In addition, the voltage programming codes are compatible with Intel’s® VRM specifications. • Output Remote Sense • Short-Circuit Protection • Thermal Shutdown • Standby On/Off Control • Space-Saving Package • Solderable Copper Case PT Series Suffix (PT1234 x ) Case/Pin Order Package Configuration Suffix Code Vertical N (EKH) Horizontal A (EKF) SMD C (EKG) (Reference the applicable package code drawing for the dimensions and PC board layout) |
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