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LB11823M 数据表(PDF) 9 Page - Sanyo Semicon Device |
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LB11823M 数据表(HTML) 9 Page - Sanyo Semicon Device |
9 / 19 page No. 7106-9/19 LB11823M Continued from preceding page. Pin No. Symbol Pin Description Equivalent circuit Power pin (VCC3) for use during application with the supply voltage of 12 V or more. 12 V is generated at the 12 REG pin. To use the 12REG pin, connect this pin to VCC1. When not used, keep both VCC3 and 12 REG open or connect them to GND. 22 23 VCC3 12REG 22 23 PWM waveform comparator pin. Normally used in the open condition. By inputting the voltage directly into this pin, the output duty can be controlled without using the VCTL amp. 24 TOC VCC2 20k Ω 24 Pin to set the PWM oscillation frequency. Connect a capacitor between this pin and GND. 25 PWM VCC2 2k Ω 200 Ω 25 Control voltage input pin. For control with this pin, set the PWMIN pin to the L level. 26 VCTL VCC2 40k Ω 26 34k Ω 2.26V Pin to set the operation time of motor lock protection circuit and to set the initial reset pulse. Connect a capacitor between this pin and GND. When the protection circuit is not to be used, connect a capacitor and resistor (150k Ω, 4700pF) in parallel between this pin and GND. 27 CSD VREG 300 Ω 27 Continued on next page. |
类似零件编号 - LB11823M |
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类似说明 - LB11823M |
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