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PT6475 Dataheets PDF



Part Number PT6475
Manufacturers Power Trend
Logo Power Trend
Description 14-A 3.3-V Input Adjustable Integrated Switching Regulator
Datasheet PT6475 DatasheetPT6475 Datasheet (PDF)

PT6470 Series 14-A 3.3-V Input Adjustable Integrated Switching Regulator SLTS180A - JANUARY 2003 - REVISED JUNE 2003 Features • 3.3 V Input • 14 A Output Current • Low-Profile (8mm) • DSP Compatible • High Efficiency (Up to 95%) • Adjustable Output Voltage • On/Off Inhibit Function • Pre-Bias Start-up Capability • Over-Current Protection • Output Remote Sense • Optional Output Capacitor • Small Footprint (0.64 in², Suffix ‘N’) • Surface Mount Compatible • IPC Lead Free 2 Description The PT64.

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PT6470 Series 14-A 3.3-V Input Adjustable Integrated Switching Regulator SLTS180A - JANUARY 2003 - REVISED JUNE 2003 Features • 3.3 V Input • 14 A Output Current • Low-Profile (8mm) • DSP Compatible • High Efficiency (Up to 95%) • Adjustable Output Voltage • On/Off Inhibit Function • Pre-Bias Start-up Capability • Over-Current Protection • Output Remote Sense • Optional Output Capacitor • Small Footprint (0.64 in², Suffix ‘N’) • Surface Mount Compatible • IPC Lead Free 2 Description The PT6470 Excalibur™ series of integrated switching regulators (ISRs) combines outstanding power density with a comprehensive list of features. They are an ideal choice for applications where board space is a premium and performance cannot be compromised. These modules provide a full 14 A of output current, yet are housed in a low-profile, 12-pin, package that is almost half the size of the previous generation of products. The integral copper case construction requires no heatsink, and offers the advantages of solderability and a small footprint (0.64 in² for suffix ‘N’). Both through-hole and surface mount pin configurations are available. The PT6470 series operates from a 3.3-V input to provide a convenient point-of-load power source for the industry’s latest high-performance DSPs and microprocessors. The series includes output voltage options as low as 1.0V DC. Other features include external output voltage adjustment, on/off inhibit, pre-bias startup, short circuit protection, and an output remote sense. Ordering Information PT6472H = 2.5 Volts PT6473H = 2.0 Volts PT6474H = 1.8 Volts PT6475H = 1.5 Volts PT6476H = 1.2 Volts PT6477H = 1.0 Volts PT Series Suffix (PT1234x ) Case/Pin Configuration Order Suffix Package Code Vertical Horizontal SMD N (EPH) A (EPJ) C (EPK) (Reference the applicable package code drawing for the dimensions and PC board layout) Standard Application VIN CIN 470 µF (Required) Inhibit GND ++ 12 11 2–4 PT6470 9–10 1 5–8 COUT 330 µF (Optional) Vo Adjust +VSENSE VOUT L O A D GND Pin-Out Information Pin Function 1 Inhibit* 2 Vin 3 Vin 4 Vin 5 GND 6 GND 7 GND 8 GND 9 Vout 10 Vout 11 +Vsense 12 Vo Adjust * Denotes negative logic: Open = Output enabled Ground = Output disabled Cin = Required 470 µF Cout = Optional 330 µF For technical support and more information, see inside back cover or visit www.ti.com PT6470 Series 14-A 3.3-V Input Adjustable Integrated Switching Regulator SLTS180A - JANUARY 2003 - REVISED JUNE 2003 Specifications (Unless otherwise stated, Ta =25 °C, Vin =3.3 V, Cin =470 µF, Cout =0 µF, and Io =Iomax) Characteristics Symbols Conditions PT6470 SERIES Min Typ Max Units Output Current Input Voltage Range Set-Point Voltage Tolerance Temperature Variation Line Regulation Load Regulation Total Output Variation Efficiency Vo Ripple (pk-pk) Transient Response Over-Current Threshold Output Voltage Adjust Switching Frequency Inhibit Control (pin1) Input High Voltage Input Low Voltage Input Low Current Inhibit In.


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