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LM2717MT-ADJ датащи(PDF) 1 Page - National Semiconductor (TI) |
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LM2717MT-ADJ датащи(HTML) 1 Page - National Semiconductor (TI) |
1 / 16 page LM2717-ADJ Dual Step-Down DC/DC Converter General Description The LM2717-ADJ is composed of two PWM DC/DC buck (step-down) converters. Both converters are used to gener- ate an adjustable output voltage as low as 1.267V. Both also feature low R DSON (0.16 Ω) internal switches for maximum efficiency. Operating frequency can be adjusted anywhere between 300kHz and 600kHz allowing the use of small external components. External soft-start pins for each con- verter enables the user to tailor the soft-start times to a specific application. Each converter may also be shut down independently with its own shutdown pin. The LM2717-ADJ is available in a low profile 24-lead TSSOP package ensur- ing a low profile overall solution. Features n Adjustable buck converter with a 2.2A, 0.16 Ω, internal switch (Buck 1) n Adjustable buck converter with a 3.2A, 0.16 Ω, internal switch (Buck 2) n Operating input voltage range of 4V to 20V n Input undervoltage protection n 300kHz to 600kHz pin adjustable operating frequency n Over temperature protection n Small 24-Lead TSSOP package Applications n TFT-LCD Displays n Handheld Devices n Portable Applications n Laptop Computers n Automotive Applications Typical Application Circuit 20167901 March 2006 © 2006 National Semiconductor Corporation DS201679 www.national.com |
Аналогичный номер детали - LM2717MT-ADJ |
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Аналогичное описание - LM2717MT-ADJ |
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