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EC3293BNT3R Datasheet(PDF) 4 Page - E-CMOS Corporation |
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EC3293BNT3R Datasheet(HTML) 4 Page - E-CMOS Corporation |
4 / 11 page EC3293B 3A, 18V, 500KHz, Synchronous Step Down DC/DC Converter E-CMOS Corp. (www.ecmos.com.tw) 5G01N-Rev. F002 4/11 Electrical Characteristics (TA = +25°C, VIN = +12V, unless otherwise noted.) * Guaranteed by design, not tested. PARAMETER Symbol TEST CONDITIONS MIN TYP MAX UNIT Supply Voltage VIN 4.5 18 V Output Voltage VOUT 0.6 15 V Shutdown Supply Current VEN = 0V 3 6 µA Supply Current VEN = 2.0V,VFB =0.66V 0.7 mA Feedback Voltage VFB 4.5V ≤ V IN ≤ 18V 0.558 0.6 0.612 V Feedback Over-voltage Threshold 0.72 V Error Amplifier Voltage Gain * AEA 1000 V/V High-Side Switch-On Resistance * RDS(ON)1 85 mΩ Low-side Switch-On Resistance * RDS(ON)2 45 mΩ High-Side Switch Leakage Current VEN = 0V, VSW = 0V, TA = +125°C 10 µA Upper Switch Current Limit Minimum Duty Cycle 3.7 4.3 A Lower Switch Current Limit From Drain to Source 0 A Oscillation Frequency FOSC1 400 500 600 KHz Short Circuit Oscillation Frequency FOSC2 VFB = 0V 200 250 300 KHz Maximum Duty Cycle DMAX VFB = 0.5V 90 % Minimum On Time * 90 ns EN Falling Threshold Voltage VEN Falling 1.12 V EN Rising Threshold Voltage VEN Rising 1.22 V Input Under Voltage Lockout Threshold VIN Rising 3.5 V Input Under Voltage Lockout Threshold Hysteresis 200 mV Soft-Start Period 1 ms Thermal Shutdown * 150 °C |
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