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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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L9903 데이터시트(PDF) 1 Page - STMicroelectronics |
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L9903 데이터시트(HTML) 1 Page - STMicroelectronics |
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1 / 17 page  1/17 L9903 October 2005 1 FEATURES ■ OPERATING SUPPLY VOLTAGE 8V TO 20V, OVERVOLTAGE MAX. 40V ■ OPERATING SUPPLY VOLTAGE 6V WITH IMPLEMENTED STEPUP CONVERTER ■ QUIESCENT CURRENT IN STANDBY MODE LESS THAN 50µA ■ ISO 9141 COMPATIBLE INTERFACE ■ CHARGE PUMP FOR DRIVING A POWER MOS AS REVERSE BATTERY PROTECTION ■ PWM OPERATION FREQUENCY UP TO 30KHZ ■ PROGRAMMABLE CROSS CONDUCTION PROTECTION TIME ■ OVERVOLTAGE, UNDERVOLTAGE, SHORT CIRCUIT AND THERMAL PROTECTION ■ REAL TIME DIAGNOSTIC 2 DESCRIPTION Control circuit for power MOS bridge driver in auto- motive applications with ISO 9141bus interface. MOTOR BRIDGE CONTROLLER Figure 2. Block Diagram VS DIR PWM EN RX TX CP CB1 GH1 S1 GL1 CB2 GH2 S2 GL2 K = PR VCC = = ISO-Interface VCC GND ST Reference BIAS Charge pump Overvoltage Undervoltage PWM R DIR R RX R TX R 0.5 • VVS RS2 RGL2 RGL1 RS1 RCP REN VCC Timer I KH V S2TH Thermal shutdown V S1TH DG VCC RDG VSTH fST = - + 10 1 2 4 5 3 6 7 8 20 9 16 15 17 18 19 14 12 13 11 REV. 4 Figure 1. Package Table 1. Order Codes Part Number Package L9903 SO20 L9903TR Tape & Reel SO20 |
유사한 부품 번호 - L9903 |
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유사한 설명 - L9903 |
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