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APW7215QBI-TRG Datasheet(PDF) 4 Page - Anpec Electronics Coropration |
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APW7215QBI-TRG Datasheet(HTML) 4 Page - Anpec Electronics Coropration |
4 / 17 page Copyright © ANPEC Electronics Corp. Rev. A.2 - Oct., 2012 www.anpec.com.tw 4 APW7215 Pin Description PIN. TDFN-2x2-6 NAME FUNCTION 1 FB Feedback Pin. Connect this pin to cathode of the lowest LED and current-sense resistor (R1). Calculate resistor value according to R1=VREF/ILED. 2 NC No Commend. 3 GND Power and signal ground pin. 4 LX Switch pin. Connect this pin to inductor/diode here. 5 EN Enable Control Input. Forcing this pin above 1.0V enables the device, or forcing this pin below 0.4V to shut it down. In shutdown, all functions are disabled to decrease the supply current below 1µA. 6 VIN Main Supply Pin. Must be closely decoupled to GND with a 1µF or greater ceramic capacitor. Exposed Pad GND Connecting this pad to GND. Electrical Characteristics(Cont.) Refer to the typical application circuits. These specifications apply over. V IN=3.6V, TA=25°C. APW7215 Symbol Parameter Test Conditions Min. Typ. Max. Unit ENABLE AND SHUTDOWN Enable Voltage Threshold VEN Rising 1 - - V Shutdown Voltage Threshold VEN Falling - - 0.4 V EN Pulled Low Resistance - 800 - k Ω EN Minimum On Pulsed Width Use VEN=3V to enable to device, PWM Dimmimg Frequency=5k to 100k Hz - 4.7 - % OVER-TEMPERATURE PROTECTION TOTP Over-Temperature Protection (Note 4) TJ Rising - 150 - °C Over-Temperature Protection Hysteresis (Note 4) TJ Falling - 40 - °C Note 4: Guaranteed by design, not production tested. |
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