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PT5540 데이터시트(PDF) 1 Page - Texas Instruments |
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PT5540 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 8 page For technical support and more information, see inside back cover or visit www.ti.com SLTS175 FEBRUARY 2003 PT5540 Series 12-W 5-V Input Step-Up (Boost) Integrated Switching Regulator Standard Application CIN = Required 100µF electrolytic COUT = Required 100µF electrolytic (not to exceed 560µF) Ordering Information PT5541 H = +12Volts PT5542 H = +15 Volts PT5544 H = + 8 Volts PT5545 H = + 9 Volts PT5546 H = +10 Volts PT5548 H = +12.6 Volts Pin Function 1Vin 2GND 3Vo Features • Input Voltage: 5V • 84% Efficiency • Industrial Temperature Range: –40°C to +85°C • Under-Voltage Lockout • Soft Start Pin-Out Information +V O COM COM +V IN PT5540 1 2 3 C IN 100µF C OUT 100µF Description The PT5540 Excalibur™ power modules are a series of integrated switching regulators (ISRs) that provide a boost-voltage function. They are designed for use with +5V bus systems that require an additional higher voltage rail. The modules are rated 12W and produce a fixed output voltage over the full industrial temperature range of -40°C to +85°C. The series includes the common output voltages, +12V and +15V. Applications include PCI cards, audio circuits, and battery operated instruments. The PT5540 series is packaged in a 3-pin thermally efficient copper case. The case is solderable, has a small footprint, and can accommodate both through-hole and surface mount pin configurations. The PT5540 series is offered as a next generation replacement to the popular PT5040 series. The PT5540 has a lower operating temperature range and improved start-up characteristics. PT Series Suffix (PT1234 x ) Case/Pin Order Package Configuration Suffix Code Vertical N (EFN) Horizontal A (EFP) SMD C (EFQ) (Reference the applicable package code draw- ing for the dimensions and PC board layout) • Small Footprint: 0.94in × 0.35in (Vertical package) • Solderable Copper Case • Surface Mountable • IPC Lead Free 2 |
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