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SPX3819M5 数据表(PDF) 2 Page - Sipex Corporation |
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SPX3819M5 数据表(HTML) 2 Page - Sipex Corporation |
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2 / 13 page  2 Jun 5-07 Rev E SPX3819 500mA, Low Noise LDO Voltage Regulator © 2007 Sipex Corporation Power Dissipation ...................................................... Internally Limited Lead Temp. (Soldering, 5 Seconds) ........................................... 260°C Operating Junction Temperature Range ................... -40°C to +125°C Input Supply Voltage ........................................................ -20V to +20V Enable Input Voltage ........................................................ -20V to +20V PARAMETER MIN TYP MAX UNITS ♦ CONDITIONS Output Voltage Tolerance -1 +1 % -2 +2 ♦ Output Voltage Temperature Coef. 57 ppm/°C Line Regulation 0.04 0.1 %/V VIN=VOUT + 1V to 16V Load Regulation 0.05 0.4 % IL = 0.1mA to 500mA Dropout Voltage 10 60 mV IL = 100µA (VIN-VO)(Note 2) 80 ♦ 125 175 mV IL = 50mA 250 ♦ 180 350 mV IL = 150mA 450 ♦ 340 550 mV IL = 500mA 700 ♦ Quiescent Current (IGND) 0.05 3 µA VENABLE ≤ 0.4V 8 ♦ VENABLE ≤ 0.25V Ground Pin Current (IGND) 90 150 µA IL = 100µA 190 ♦ 250 650 µA IL = 50mA 900 ♦ 1.0 2.0 mA IL = 150mA 2.5 ♦ 6.5 25.0 mA IL = 500mA 30.0 ♦ Ripple Rejection (PSRR) 70 dB Current Limit (ILIMIT) 800 mA VOUT = 0.0V 950 ♦ Output Noise (eNO) 300 µVRMS IL=10mA, CL=1.0µF, CIN=1µF, (10Hz-100kHz) 40 µVRMS IL=10mA, CL=10µF, CBYP =1µF, CIN =1µF, (10Hz-100kHz) Input Voltage Level Logic Low (VIL) 0.4 V OFF Input Voltage Level Logic High (VIH) 2 V ON ENABLE Input Current 0.01 2 µA VIL ≤ 0.4V 3 20 VIH ≥ 2.0V Thermal Resistance (Note 1) 191 °C/W ♦ SOT-23-5 / Junction to Ambient 128.4 °C/W ♦ NSOIC-8 / Junction to Ambient 59 °C/W ♦ DFN-8 / Junction to Ambient ELECTRICAL CHARACTERISTICS TJ=25°C, VOUT + 1V, for 1.2V Option VIN=VOUT + 1.2V IL=100µA, CL=1µF, and VENABLE ≥ 2.4V. The ♦ denotes the specifications which apply over full operating temperature range -40 °C to +85°C, unless otherwise specified. ABSOLUTE MAXIMUM RATINGS NOTES Note 1: The maximum allowable power dissipation is a function of maximum operating junction temperature, TJ(max) the junction to ambient thermal resistance, and the ambient θJA, and the ambient temperature TA. The maximum allowable power dissipation at any ambient temperature is given: PD(max) = (TJ(max)-TA)/θJA, exceeding the maximum allowable power limit will result in excessive die temperature; thus, the regulator will go into thermal shutdown. The θJA of the SPX3819 is 220°C/W mounted on a PC board. Note 2: Not applicable to output voltage 2V or less. Input Voltage ................................................................... +2.5V to+16V Operating Junction Temperature Range ................... -40°C to +125°C Enable Input Voltage ........................................................... 0.0V to V IN RECOMMENDED OPERATING CONDITIONS |
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