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FSB50450A Fiches technique(PDF) 8 Page - Fairchild Semiconductor |
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FSB50450A Fiches technique(HTML) 8 Page - Fairchild Semiconductor |
8 / 10 page 8 www.fairchildsemi.com FSB50450A Rev. A Note: 1. About pin position, refer to Figure 2. 2. RC coupling(R5 and C5, R4 and C6) and C4 at each input of SPM ® and Micom are useful to prevent improper input signal caused by surge noise. 3. The voltage drop across R3 affects the low side switching performance and the bootstrap characteristics since it is placed between COM and the source terminal of the low side MOSFET. For this reason, the voltage drop across R3 should be less than 1V in the steady-state. 4. Ground wires and output terminals, should be thick and short in order to avoid surge voltage and malfunction of HVIC. 5. All the filter capacitors shoud be connected close to SPM®, and they should have good characteristics for rejecting high-frequency ripple current. Figure 10. Example of Application Circuit COM VCC LIN HIN VB HO VS LO COM VCC LIN HIN VB HO VS LO COM VCC LIN HIN VB HO VS LO (1 ) COM (2 ) VB(U) (3 ) VCC(U) (4 ) IN(UH) (5 ) IN(UL) (6 ) N.C (7 ) VB(V) (8 ) VCC(V) (9 ) IN(VH) (10 ) IN(VL) (11 ) VTS (12 ) VB(W) (13 ) VCC(W) (14 ) IN(WH) (15 ) IN(WL) (16 ) N.C (17 ) P (18 ) U , VS(U) (19 ) NU (22 ) NW C1 15- V Supply C3 VDC C2 R3 R4 C6 R5 C5 For current sensing and protection VTS (21 ) V , VS(V) (20 ) NV (23) W , VS(W) C 4 M |
Numéro de pièce similaire - FSB50450A |
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Description similaire - FSB50450A |
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