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LB11995 Fiches technique(PDF) 9 Page - Sanyo Semicon Device |
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LB11995 Fiches technique(HTML) 9 Page - Sanyo Semicon Device |
9 / 10 page LB11995 No. 6112-9/10 Pin number Pin name Pin voltage Equivalent circuit Pin function 21 22 23 24 PWR GND 1 2 5R F 19 LMC 16 BRAKE Continued from preceding page Control reference voltage supply pin. Determines control start voltage. Speed control voltage supply pin V type control technique VC > VCREF : Forward VC < VCREF : Slowdown (Reverse-blocking circuit prevents reverse rotation.) W phase output Output transistor GND V phase output Upper side output NPN transistor collector pin (common for all 3 phases). For current detection, connect resistor between VCC3 pin and RF pin. Constant current control and current limiter works by detecting this voltage. When this pin is connected to GND, the limiter setting current is increased by a factor of 1.5. Short brake pin BRAKE: High –> Short brake operation Low/Open –> Motor drive operation U phase output VCREF VC WOUT VOUT UOUT 0V to VCC1 0V to VCC1 –1.5V 22 21 25 µA 15 µA25µA15µA VCC1 51k Ω 200 Ω 200 Ω A12346 5 24 VCC2 3.9 Ω 3.9 Ω 23 1 2 A12347 19 15k Ω 5k Ω 7k Ω VCC1 RF A12348 100 µA 16 VCC1 50k Ω 75k Ω A12349 |
Numéro de pièce similaire - LB11995 |
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Description similaire - LB11995 |
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