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LED5000 数据表(PDF) 6 Page - STMicroelectronics |
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LED5000 数据表(HTML) 6 Page - STMicroelectronics |
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6 / 52 page  Pin settings LED5000 6/51 Doc ID 023951 Rev 1 1 Pin settings 1.1 Pin connection Figure 2. Pin connection (top view) 1.2 Pin description HSOP8 AM13486v1 Table 1. Pin description Type Description 1 BOOT Analog circuitry power supply connection 2DIM Dimming control input. Logic low prevents the switching activity, logic high enables it. A square wave on this pin implements LEDs current PWM dimming. Connect to VIN if not used (see Chapter 5.8) 3 INH Inhibit pin. Connect to GND if not used. 4 COMP Analog circuitry 5FB Feedback input. Connect a proper sensing resistor to set the LED current 6 GND Ground connection 7 VIN Power input voltage 8 SW Switching node -e.p. Exposed pad to be connected to GND to increase the package thermal performance and the device noise immunity |
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