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ADD5205 Folha de dados(PDF) 7 Page - Analog Devices |
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ADD5205 Folha de dados(HTML) 7 Page - Analog Devices |
7 / 16 page Data Sheet ADD5205 Rev. 0 | Page 7 of 16 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS VIN SHDN NOTES 1. CONNECT THE EXPOSED PADDLE TO GROUND. GND FB4 C_FILTER ISET (Not to Scale) 9 8 7 1 2 3 TOP VIEW ADD5205 Figure 3. Pin Configuration Table 5. Pin Function Descriptions Pin No. Mnemonic Description 1 VIN Supply Input Pin. Bypassed with a capacitor to ground. 2 SHDN Shutdown Control Pin for Enabling IC. Active low. 3 GND Ground Pin. 4 SW Drain Connection of the Internal Power FET Pin. 5 OVP Overvoltage Protection Sense Input Pin. Must be locally bypassed with a 100 nF capacitor and placed as close as possible to the IC. 6 PWM PWM Signal Input Pin. 7 ISET Full-Scale LED Current Set Pin. A resistor from this pin to ground sets the LED current up to 25 mA. 8 C_FILTER Filtered PWM Signal Output Pin. Connect a capacitor between C_FILTER and ground. This capacitor forms a low-pass filter with an internal resistor. 9 FB4 Regulated Current Sink Input Pin. Connect the bottom cathode of the LED string to this pin. If unused, connect FB4 to ground. 10 FB3 Regulated Current Sink Input Pin. Connect the bottom cathode of the LED string to this pin. If unused, connect FB3 to ground. 11 FB2 Regulated Current Sink Input Pin. Connect the bottom cathode of the LED string to this pin. If unused, connect FB2 to ground. 12 FB1 Regulated Current Sink Input Pin. Connect the bottom cathode of the LED string to this pin. This channel should be connected to LEDs as a default channel. EPAD Connect the exposed paddle to ground. |
Nº de peça semelhante - ADD5205 |
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Descrição semelhante - ADD5205 |
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