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SC9301MLTRT Datasheet(PDF) 5 Page - Semtech Corporation |
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SC9301MLTRT Datasheet(HTML) 5 Page - Semtech Corporation |
5 / 29 page SC9301 5 Electrical Characteristics (continued) Parameter Conditions Min Typ Max Units Fault Protection Valley Current Limit(3) VDD = 5V, R ILIM = 7320, T J = 0 to +125 °C 8.5 10 11.5 A VDD = 3.3V, R ILIM = 7320, T J = 0 to +125 °C 9 A I LIM Source Current Trimmed to match lower FET Rdson 9 μA I LIM Comparator Offset With respect to AGND -8 0 +8 mV Output Under-Voltage Threshold V FB with respect to internal 600mV reference, 8 consecutive cycles -25 % Smart Power-Save Protection Threshold(2) V FB with respect to internal 600mV reference +10 % Over-Voltage Protection Threshold V FB with respect to internal 600mV reference +20 % Over-Voltage Fault Delay(2) 5μs Over-Temperature Shutdown(2) 10°C hysteresis 150 °C Logic Inputs/Outputs Logic Input High Voltage EN, ENL 1.0 V Logic Input Low Voltage EN, ENL 0.4 V EN Input Bias Current EN = VDD or AGND -10 +10 μA ENL Input Bias Current ENL = V IN = 28V -1 11 +18 μA FB Input Bias Current FB = VDD or AGND -1 +1 μA Linear Regulator (LDO) VLDO Accuracy VLDO load = 10mA 4.90 5.0 5.10 V Current Limit Short-circuit protection, V IN = 12V, VLDO < 1V 20 mA V IN = 12V, 1V < VLDO < 4.5V 115 Operating, VLDO > 4.5V 200 VLDO Drop Out Voltage(4) V IN to VLDO, VLDO load = 100mA 1.9 V Notes: (1) VIN UVLO is programmable using a resistor divider from VIN to ENL to AGND. The ENL voltage is compared to an internal reference. (2) Typical value measured on standard evaluation board. (3) The device has first order temperature compensation for over current. Results vary based upon the PCB thermal layout. (4) The LDO drop out voltage is the voltage at which the LDO output drops 2% below the nominal regulation point. |
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