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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SC5014 датащи(PDF) 8 Page - Semtech Corporation |
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SC5014 датащи(HTML) 8 Page - Semtech Corporation |
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8 / 34 page  SC5014 8 Time (100ms/div) Testing condition: VIN=12V, 25 , LEDs=10S4P@120/CH,PWM indirect mode; PWM=10KHz, PWMI on / off, duty=0% to 100% LEDCurrentFadeIn/Out(Logarithmic) V_IO4 Iout Vout PWMI LED Current Fade In/Out (Logarithmic) Line Transient Response LED Open Circuit Protection 100% dimming, 120mA/CH X 4 Typical Characteristics (continued) PWMI 5V/div. V IO1 10V/div. V OUT 20V/div. I OUT 200mA/div. Time (100ms/div) Testing condition: VIN=12V, 25 , LEDs=10S4P@120/CH,PWM indirect mode; PWM=10KHz, PWMI on / off, duty=0% to 100% Fadein/Fadeout(Linear) V_IO4 Iout Vout PWMI PWMI 5V/div. V IO1 10V/div. V OUT 20V/div. I OUT 200mA/div. LED Current Fade In/Out (Linear) Time (4us/div) Test condition: 8Vin to 20Vin, 10S4P@120mA per string, RFSET=100K , Vin RT=1us LineTransientResponse V_IO4 IL Vout PWMI V IN 10V/div. V OUT 1V/div. V IO1 1V/div. IL 3A/div. Time (20ms/div) LEDsOpen-circuitProtection Testing condition: VIN=12V, 25 , LEDs=10S4P@120mA/CH, CH4 open, RFSET=100KHz, ROVP2=357K EN Iout Vout FLT V EN 5V/div. FLT 5V/div. V OUT 20V/div. I OUT 200mA/div. Starting with one LED string open-circuit Load Transient Response Load Transient Response PWMI(10KHz)=2% to 98%, VIN=12V, 120mA/CH X 4 Fading disabled Time (100us/div) LoadTransientResponse Testing condition: VIN=12V, 25 , LEDs=10S4P@120mA/CH, RFSET=100KHz, PWMI=10K, Duty=2% to 98% Iout Vout PWMI PWMI 5V/div. V OUT 200mV/div. I OUT 200mA/div. Time (100ms/div) LoadTransientResponse Testing condition: VIN=12V, 25 , LEDs=10S4P@120mA/CH, RFSET=100KHz, PWMI=10K, Duty=98% to 2% Iout Vout PWMI 8V 20V PWMI(10KHz)=98% to 2%, VIN=12V, 120mA/CH X 4 Fading disabled PWMI 5V/div. V OUT 200mV/div. I OUT 200mA/div. |
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