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EC49509FLG-F Datasheet(PDF) 4 Page - E-CMOS Corporation |
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EC49509FLG-F Datasheet(HTML) 4 Page - E-CMOS Corporation |
4 / 8 page EC49509 300mA Low Power Low Noise LDO CMOS Voltage Regulator E-CMOS Corp. (www.ecmos.com.tw) Page 4 of 8 2007/11/05 Electrical Characteristics VIN = 5V; VEN=VIN; CIN = 2.2μF; COUT = 2.2μF; IOUT = 10mA; TJ = 25°C; unless otherwise noted Symbol Parameter Conditions Min Typ Max Unit VOUT Output Voltage Accuracy EC49509 – 1.5 (VIN=1.8V) EC49509 – 1.8 (VIN=3.3V) EC49509 – 2.5 EC49509 – 2.8 EC49509 – 3.0 EC49509 – 3.3 1.470 1.764 2.450 2.744 2.940 3.234 1.5 1.8 2.5 2.8 3.0 3.3 1.530 1.836 2.550 2.856 3.060 3.366 V ΔVOUT Line Regulation VIN = (VOUT + 0.8) V to 5.5V — 0.2 — %/V ΔVOUT Load Regulation (Note 5) VIN = (VOUT + 0.8) V or 2.5V IOUT = 10mA to 300mA — 2.0 — % ΔVOUT/ΔT Output Voltage Temperature Coefficient Note 4 — 0.1 — mV/° C IOUT = 10mA — 8 — IOUT = 150mA — 200 — VIN – VOUT Dropout Voltage ( Note 6) (VOUT>3.0V) IOUT = 300mA — 350 — mV Thermal Protection Temperature — 150 — TPROTECTION Thermal Protection Protection Hysterisys — 20 — °C PSRR Ripple Rejection f =10kHz,IOUT=50mA,Cbypass=0.1uF — 70 — dB VEN = 0.4V — 0.1 — IQ Quiescent Current VEN = VIN — 20 — μA Voltage Raising, Output Turns On, Logic High 1.6 — — VTH (EN) Enable Input Threshold Voltage Voltage Falling, Output Turns Off, Logic Low — — 0.4 V ILIMIT Current Limit — 600 — mA Note 1: Exceeding the absolute maximum rating may damage the device. Note 2: The device is not guaranteed to function outside its operating rating. Note 3: The maximum allowable power dissipation at any TA (ambient temperature) is calculated using: PD (MAX) = (TJ (MAX) – TA)/ΘJA. Exceeding the maximum allowable power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. See “Thermal Consideration” section for details Note 4: Output voltage temperature coefficient is the worst case voltage change divided by the total temperature range. Note 5: Regulation is measured at constant junction temperature using low duty cycle pulse testing. Parts are tested for load regulation in the load range from 0.1mA to 300mA. Changes in output voltage due to heating effects are covered by the thermal regulation specification. Note 6: Dropout voltage is defined as the input to output differential at which the output voltage drops 100mV below its nominal value measured at 0.8V differential. |
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