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EC3618NNMHR Datasheet(PDF) 3 Page - E-CMOS Corporation |
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EC3618NNMHR Datasheet(HTML) 3 Page - E-CMOS Corporation |
3 / 8 page EC3618 E-CMOS Corp. (www.ecmos.com.tw) 4K25N-Rev.F003 Page 3 of 8 PWM Control 2A Step-Down Converter Absolute Maximun Rating (at TA=25°C) Characteristics Symbol Rating Unit VCC Pin Voltage VCC VSS - 0.3 to VSS + 63 V Feedback Pin Voltage VFB VSS - 0.3 to 6 V EN Pin Voltage VEN VSS - 0.3 to VCC V SS Pin Voltage SS VSS - 0.3 to 6 V COMP Pin Voltage VCOMP VSS - 0.3 to 6 V VGATE Pin Voltage VGATE VSS - 0.3 to VCC V Switch Pin Voltage VSW VSS - 0.3 to VCC + 0.3 V Power Dissipation PD Internally limited mW Storage Temperature Range TST -65 to +150 °C Operating Junction Temperature Range TOJP -40 to +125 °C Operating Input Voltage(Note 1) VOP 8 to 58 V Thermal Resistance from Junction to case θ JC 15 °C/W Thermal Resistance from Junction to ambient (Note 2) θ JA 75 °C/W Note: 1. When Vop(Operating Input Voltage)<10V then Maximum output current is 0.45A。 2. θ JA is measured with the PCB copper area (need connect to Exposed Pad) of approximately 1.5 in2 (Multi-layer). Electrical Characteristics (VCC = 24V, TA=25°C, unless otherwise specified) Characteristics Symbol Conditions Min Typ Max Units Feedback Voltage VFB IOUT=10mA 0.98 1.00 1.02 V Quiescent Current ICCQ VFB=1.2V, force driver off - 3 6 mA Feedback Bias Current IFB IOUT=0.1A - 0.1 0.5 uA Shutdown Supply Current ISD VEN =0V - 0.5 1 mA Line Regulation △VOUT/VOUT VCC =10V~58V, IOUT=10mA - 0.3 0.6 % Load Regulation △VOUT/VOUT IOUT = 0.2 to 2A - 0.3 0.6 % Current Limit ICL 2.8 - - A FOSC EC3618N 90 120 150 KHz Oscillator frequency FOSC EC3618A 200 250 300 KHz FOSC1 EC3618N ICL - 50 - KHz FOSC1 EC3618A ICL - 110 - KHz Short frequency FOSC2 EC3618N/EC3618A VFB < 0.3 - 30 - KHz VSH High (regulator ON) 2.0 - - V EN Pin Logic input threshold voltage VSL Low (regulator OFF) - - 0.8 ISH VEN=2.5V (ON) - 5 - uA EN Pin Input Current ISL VEN=0.3V (OFF) - 5 - uA SS Current ISS VSS=0V - 10 - uA Internal MOSFET RDSON RDSON VCC=12V, 1A,VFB=0V - 220 300 m Efficiency (EC3618) EFFI VCC = 24V, VOUT = 5V, IOUT = 2A - 90 - % Thermal shutdown Temp (Junction Temp) TSD - 150 - °C Thermal shutdown Hysteresis TSH - 40 - °C |
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