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PT6445A Datasheet(PDF) 1 Page - Texas Instruments |
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PT6445A Datasheet(HTML) 1 Page - Texas Instruments |
1 / 8 page For technical support and more information, see inside back cover or visit www.ti.com Standard Application Pin-Out Information Pin Function 1 Inhibit * 2Vin 3Vin 4Vin 5 GND 6 GND 7 GND 8 GND 9Vout 10 Vout 11 Vout 12 Vout Adj * * For further information, see application notes. Description The PT6440 Excalibur™ power modules are a series of high performance Integrated Switching Regulators (ISRs), housed in a thermally efficient solderable copper case. These modules operate from input voltages as low as 3.1V to produce a high-output low- voltage power source; ideal for powering the industry’s latest DSP and microprocessors. The series includes standard output bus voltages as low as 1.0VDC. The innovative copper case construction provides superior thermal performance in a small footprint. Both through-hole and surface mount pin configurations are avail- able. The PT6440 series operating features include external output voltage adjustment, an On/Off inhibit, and short-circuit protection. A 100µF input, and 330µF output capacitor are required for proper operation. PT Series Suffix (PT1234x ) Case/Pin Order Package Configuration Suffix Code * Vertical N (EPH) Horizontal A (EPJ) SMD C (EPK) * Previously known as package styles 1540/50. (Reference the applicable package code drawing for the dimensions and PC board layout) Ordering Information PT6441 H = 3.3 Volts † PT6442 H = 2.5 Volts † PT6443 H = 2.0 Volts † PT6444 H = 1.8 Volts † PT6445 H = 1.5 Volts † PT6446 H = 1.2 Volts † PT6447 H = 1.0 Volts † 3.3V Input Bus Capable PT6440 9,10,11 12 5,6,7,8 2,3,4 V O (ADJ) 1 C IN + C OUT + +V OUT GND +V IN GND INH Cin = Required 100µF electrolytic Cout = Required 330µF electrolytic Features • 6A Output Current • Input Voltage Range: 3.1 V to 5.5 V • 90% Efficiency • Adjustable Output Voltage • Standby Function • Short Circuit Protection • Small Footprint (0.61 in2) • Solderable Copper Case • 8.8 106 Hours MTBF PT6440 Series 6-A 5-V/3.3-V Input Adjustable Integrated Switching Regulator SLTS133B Revised (1/30/2002) |
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