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SC5014AEVB Datasheet(PDF) 5 Page - Semtech Corporation |
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SC5014AEVB Datasheet(HTML) 5 Page - Semtech Corporation |
5 / 27 page SC5014A 5 Electrical Characteristics (continued) Parameter Symbol Conditions Min Typ Max Units Fault Protection LED Short-Circuit Protection Threshold V IOn(SCP) R 4 and R5 (3) 7xV SCP 20xV SCP 23xV SCP V LED Open-Circuit Protection Threshold V IO_OCP 0.2 V LED Short-Circuit Fault Delay t SCP(DELAY) V OVP Set to .5V, FLT Goes Low µs FLT Pin Leakage Current I FLT(LEAK) V EN = 0V, VFLT = 5.0V - µA FLT Output Low V FLT(LOW) -5mA from FLT to V CC 0.3 V Over-Temperature Protection Thermal Shutdown Temperature T OTP 50 °C Thermal Shutdown Hysteresis T OTP-H 0 °C I2C Control Interface: SDA, SCL Timing Specifications SCL Clock Frequency F SCL 400 kHz SCL Clock Low Period t LOW(SCL) .3 µs SCL Clock High Period t HIGH(SCL) 0.6 µs Hold Time Start Condition t HD(START) 0.6 µs SDA Setup Time t SU(SDA) 00 ns SDA Hold Time t HD(SDA) 0 0.9 µs Setup Time Stop Condition t SU(STOP) 0.6 µs Bus Free Time Between Stop & Start t BF .3 µs Notes: () Ensured by design and characterization, not production tested. (2) LED current matching for 2 channels is defined as the largest of the two numbers, i.e., (MAX-AVG)/AVG and (AVG-MIN)/AVG; where MAX is the maximum LED channel current, MIN is the minimum LED channel current and AVG is the average of the 2 LED channel currents. (3) Refer to the application circuit on page 20, Figure 2. |
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