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LTC4413 bảng dữ liệu(PDF) 10 Page - Analog Devices |
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LTC4413 bảng dữ liệu(HTML) 10 Page - Analog Devices |
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10 / 14 page ![]() LTC4451 10 Rev. 0 For more information www.analog.com VIN VOUT GND GND CVCC GND COUT OPTIONAL TVS OR SCHOTTKY 1 2 3 4 5 6 VCC IN IN IN IN IN 14 13 12 11 10 9 GND OUT OUT OUT OUT OUT 16 15 7 8 4451 F04 CIN APPLICATIONS INFORMATION TYPICAL APPLICATIONS Figure 4. Recommended Layout Figure 5. 24V Diode-OR with Reverse Recovery Protection wide and short to minimize resistive losses. To ensure a low contact resistance, solder the device’s IN/OUT pins to the board using a reflow process. Include holes underneath the exposed pads to keep solder in place to avoid high voltage shorts between pins. The wide IN/OUT traces also act as a heat sink to remove the heat in the presence of a high current load. Place COUT, surge sup- pressors and necessary transient protection components close to the LTC4451 using short lead lengths. Transient voltage suppressors should have short wide traces to GND. Place decoupling capacitors close to the IN and VCC pins. Figure 4 shows the recommended PCB layout for the LTC4451. The temperature rise of the recommended PCB layout with 6A load current is 25°C. VOUT VCC SHDN# GND LTC4451 IN OUT VINA 24V VCC GND LTC4451 IN OUT CLOAD 100µF 120m ESR SHDN# STATUS NC STATUS NC VINB 24V 4451 F05 MBRS130 1A 30V MBRS130 1A 30V CIN1 0.1µF CIN2 0.1µF |
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