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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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L9680 데이터시트(PDF) 251 Page - STMicroelectronics |
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L9680 데이터시트(HTML) 251 Page - STMicroelectronics |
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251 / 277 page  DocID029257 Rev 1 251/277 L9680 Electrical characteristics 276 25 CSSxy SSxy Capacitance Maximum capacitance to GND connected directly to SSxy pin Design Information - - 10 nF 26 RSFLx Load Impedance Design Info - - 6.5 Ω 27 Wire Length Squib Loops containing a clock spring shall be limited to a maximum length of 3m 1 - 10 m 28 RWirex Wire Resistance Design Info 16.8 - 63.4 mΩ/ m 29 LWirex Wire Inductance Design Info 0.6 - 1.8 μH/ m 30 RCSx Clock Spring Resistance Maximum number of clock springs is 3 for any IC Design Info 0 - 0.7 Ω 31 LCSx Clock Spring Inductance Design Info 0 - 42.9 μH 32 kL_CS1 – L_CS2 Clock Spring Coupling Design Info 0.739 - 0.903 - 33 LEMI Squib EMI protection Design Info 0 - 7.7 μH 1. In case of an unsupplied device and shorted deployment pins (e.g. to battery voltage), the dynamic reverse current through the high side power stage depends on CSSxy. 2. LDEPL could be calculated in the following way: Non-Clock Spring Loops: LDEPL(max) = LWire(10m*2) + LEMI = (3.6uH/m * 10m) + 7.7uH =43.7uH Clock Spring Loops: LWire(3m*2) + 2*LCSx + LEMI - (2*kL_CX*SQRT(L_CS1*L_CS2)) = = (3.6uH/m * 3m) + 2 * 42.9uH + 7.7uH - (2 * 0.739 * 42.9uH) = 40.9uHClock Spring Loops with short to ground LDEPL(max) = LWire(3m) + LCSx + LEMI = (1.8uH/m * 3m) + 42.9uH + 7.7uH = 56uH. Table 55. Deployment drivers – DC specifications (continued) No Symbol Parameter Conditions Min Typ Max Unit |
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