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SP6686ER-L Datasheet(PDF) 4 Page - Exar Corporation |
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SP6686ER-L Datasheet(HTML) 4 Page - Exar Corporation |
4 / 13 page S SP P6 66 68 86 6 4 40 00 0m mA A B Bu ucck k/ /B Bo oo os stt C Ch ha arrg ge e P Pu um mp p L LE ED D D Drriiv ve err © 2009 Exar Corporation 4/12 Rev. 2.0.0 PIN DESCRIPTION Name Pin Number Description VIN 1 Input voltage for the charge pump. Decouple with 2.2µF ceramic capacitor close to the pins of the IC. C1 2 Positive input for the external fly capacitor. Connect a ceramic 0.47µF capacitor close to the pins of the IC. C2 3 Negative input for the external fly capacitor. Connect a ceramic 0.47µF capacitor close to the pins of the IC. FLASH 4 Logic input to toggle between FLASH and TORCH mode. In TORCH Mode FB is regulated to the internal 50mV reference. In FLASH Mode FB reference voltage can be adjusted by changing the resistor from RSET pin to ground. Choose the external current sense Resistor (RSENSE) based on desired current in TORCH Mode. EN 5 Shutdown control input. Connect to VIN for normal operation, connect to ground for shutdown. RSET 6 Connect a resistor from this pin to ground. When in FLASH Mode (FLASH = High) this resistor sets the current regulation point according to the following: VFB = (1.26V/RSET)*11.2KΩ FB 7 Feedback input for the current control loop. Connect directly to the current sense resistor. SGND 8 Internal ground pin. Control circuitry returns current to this pin. PGND 9 Power ground pin. Fly capacitor current returns through this pin. VOUT 10 Charge Pump Output Voltage. Decouple with an external capacitor. At least 1µF is recommended. Higher capacitor values reduce output ripple. ORDERING INFORMATION Part Number Temperature Range Marking Package Packing Quantity Note 1 Note 2 SP6686ER-L -40°C≤TA≤+85°C SP66 86ER WWX DFN-10 Bulk RoHS Compliant Halogen Free SP6686ER-L/TR -40°C≤TA≤+85°C SP66 86ER WWX DFN-10 3K/Tape & Reel RoHS Compliant Halogen Free SP6686EB SP6686 Evaluation Board “WW” = Work Week – “X” = Lot Number |
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