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LB1998 数据表(PDF) 7 Page - Sanyo Semicon Device |
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LB1998 数据表(HTML) 7 Page - Sanyo Semicon Device |
7 / 9 page LB1998 No. 5979-7/9 Pin number Pin name Pin voltage Equivalent circuit Pin function 19 4V to 13.6V 17 4V to 6V 9R S 8F G 10 6S/S 5 SIG GND 24 F C 15 16 13 14 11 12 Pin Descriptions Continued on next page Source side predrive voltage and constant current control amplifier voltage supply pin Power supply pin for all circuits except output transistors, source predriver, and low current control amplifier Reverse detector pin Forward rotation: High Reverse rotation: Low 1 Hall or 3 Hall element waveform Schmitt comparator combined output U phase Hall element input and reverse detector U phase Schmitt comparator input pin Logic High indicates UIN1 > UIN2. V phase Hall element input and reverse detector V phase Schmitt comparator input pin Logic High indicates VIN1 > VIN2. W phase Hall element input and reverse detector W phase Schmitt comparator input pin Logic High indicates WIN1 > WIN2. Hall element lower side bias voltage supply pin When this pin is at 0.7V or lower, or when it is open, all circuits are inactive. When driving motor, set this pin to 2V or higher. Control loop frequency compensa- tor pin. Connecting a capacitor between this pin and GND prevents closed loop oscillation in current limiting circuitry. GND pin for all circuits except output VCC2 VCC1 UIN1 UIN2 VIN1 VIN2 VH WIN1 WIN2 0V to WCC1 1.2V to VCC1–1V 8 9 VCC1 100 µA 10 k Ω A11196 13 11 15 25 µA 14 12 16 25 µA 25 µA 200 Ω 200 Ω VCC1 A11197 10 VCC1 75 µA 30 k Ω 2 k Ω A11198 6 VCC1 50 k Ω A11199 75 k Ω 24 VCC1 2 k Ω 20 k Ω 5 k Ω A11200 |
类似零件编号 - LB1998 |
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类似说明 - LB1998 |
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