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LA4425AN-D-E Scheda tecnica(PDF) 8 Page - ON Semiconductor |
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LA4425AN-D-E Scheda tecnica(HTML) 8 Page - ON Semiconductor |
8 / 10 page LA4425AN http://www.onsemi.com 8 Instructions and Precautions Connect a capacitor of 1000pF across pins and for external disturbance path. Be careful of the ground line artwork when laying out the printed circuit pattern. Arrange so that the Sg route and load current flow-in route do not overlap. Refer to the recommended printed circuit pattern or make slits, etc. at pins and . DUAL Printed Circuit Pattern Example Short Circuit Tests Our company's recommended printed circuit board: Apply VCC=13.2V using a 30301.5mm 3 thick aluminum board. The IC will be protected from the DC/AC shorting of switches 1 to 4 above. However, be careful not to damage the IC by turning VCC ”ON” when DC short (SW 1 or SW 2) is on. Power Supply Positive Surge The over-voltage protector (VCCX 21.5V) inside the IC is used to cut all bias routes and reverse bias between B-E of output stage elements, in order to increase the power line’s capability of handling positive surge. This means, of course, that a VCES (VCBO) type output stage element is used instead of the VCEO (VCER) type. OUT1 VCC OUT2 IN1 GND GND IN2 1 1 Cu-foiled side 45.0 ×75.0mm2 SW1 SW3 13.2V SW2 SW4 LA4425AN + + + + + 0.15 μF 2.2 μF 1000 μF Rg 620 Ω 13.2V LA4425AN RL JASO tester Application of giant pulse |
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