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PTH05060WAZT Datasheet(PDF) 8 Page - Texas Instruments |
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PTH05060WAZT Datasheet(HTML) 8 Page - Texas Instruments |
8 / 17 page Application Notes For technical support and further information visit http://power.ti.com PTH Series of Wide-Output Adjust Power Modules (3.3/5-V Input) Features of the PTH Family of Non-Isolated Wide Output Adjust Power Modules Point-of-Load Alliance The PTH family of non-isolated, wide-output adjust power modules from Texas Instruments are optimized for applications that require a flexible, high performance module that is small in size. These products are part of the “Point-of-Load Alliance” (POLA), which ensures compatible footprint, interoperability and true second sourcing for customer design flexibility. The POLA is a collaboration between Texas Instruments, Artesyn Tech- nologies, and Astec Power to offer customers advanced non-isolated modules that provide the same functionality and form factor. Product series covered by the alliance includes the PTHxx050W (6 A), PTHxx060W (10 A), PTHxx010W (15/12 A), PTHxx020W (22/18 A), and the PTHxx030W (30/26 A). From the basic, “Just Plug it In” functionality of the 6-A modules, to the 30-A rated feature-rich PTHxx030W, these products were designed to be very flexible, yet simple to use. The features vary with each product. Table 3-1 provides a quick reference to the available features by product and input bus voltage. Table 3-1; Operating Features by Series and Input Bus Voltage For simple point-of-use applications, the PTHxx050W provides operating features such as an on/off inhibit, output voltage trim, pre-bias startup (3.3/5-V input only), and over-current protection. The PTHxx060W (10 A), and PTHxx010W (15/12 A) include an output voltage sense, and margin up/down controls. Then the higher output current, PTHxx020W and PTHxx030W products incorporate over-temperature shutdown protection. All of the products referenced in Table 3-1 include Auto- Track™. This is a feature unique to the PTH family, and was specifically designed to simplify the task of se- quencing the supply voltage in a power system. These and other features are described in the following sections. Soft-Start Power Up The Auto-Track feature allows the power-up of multiple PTH modules to be directly controlled from the Track pin. However in a stand-alone configuration, or when the Auto-Track feature is not being used, the Track pin should be directly connected to the input voltage, Vin (see Figure 3-1). Figure 3–1 5 V C IN 1,000 µF C OUT 330 µF GND GND 3.3 V R SET, 698 Ω 0.1 W, 1 % PTH05020W 7 10 4 5 6 2 3 98 Track V IN V O GND Inhibit 1 Up Dn Sense Adjust When the Track pin is connected to the input voltage the Auto-Track function is permanently disengaged. This allows the module to power up entirely under the control of its internal soft-start circuitry. When power up is under soft-start control, the output voltage rises to the set-point at a quicker and more linear rate. Figure 3–2 Vin (1 V/Div) Vout (1 V/Div) Iin (5 A/Div) HORIZ SCALE: 5 ms/Div Series Input Bus I OUT 3.3 V / 5 V 6 A •••• • 12 V 6 A ••• • 3.3 V / 5 V 10 A •••• ••• 12 V 8 A ••• ••• 3.3 V / 5 V 15 A •••• ••• 12 V 12 A ••• ••• 3.3 V / 5 V 22 A •••• •••• 12 V 18 A ••• •••• 3.3 V / 5 V 30 A •••• •••• 12 V 26 A •••• •••• PTHxx030 PTHxx010 PTHxx020 PTHxx060 PTHxx050 |
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