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CM2838 Datasheet(PDF) 4 Page - Champion Microelectronic Corp. |
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CM2838 Datasheet(HTML) 4 Page - Champion Microelectronic Corp. |
4 / 10 page CM2838 300mA LOW ESR CMOS LDO WITH ENABLE ELECTRICAL CHARACTERISTICS TA = +25℃; unless otherwise noted CM2838 Parameter Symbol Test Conditions Min. Typ. Max. Unit Input Voltage VIN Note 1 7 V Output Voltage Accuracy VOUT IO = 1mA to 300mA -1.5 1.5 % 1.2V<VO(NOM) ≤ 2.0V 1300 2.0V<VO(NOM) ≤ 2.5V 400 Dropout Voltage VDROPOUT IO = 300mA, VOUT=VO(NOM)-1.5%, 2.5V<VO(NOM) 300 mV Output Current IO VOUT > 1.2V 300 mA Current Limit ILIM VOUT > 1.2V 300 450 mA Quiescent Current IQ IO = 0mA 30 35 μ A Ground Pin Current IGND IO = 1mA to 300mA 30 50 μ A Line Regulation REGLINE IOUT=5mA, VIN=VOUT+1 to VOUT+2 -0.1 0.02 0.1 % Load Regulation REGLOAD IO=1mA to 300mA 0.2 1 % Over Temperature Shutdown OTS 150 ℃ Over Temperature Hysteresis OTH 30 ℃ VOUT Temperature Coefficient TC 40 ppm/℃ f=1kHz 60 f=10kHz 50 Power Supply Rejection PSRR IO = 100mA CO=2.2μF ceramic f=100kHz 40 dB f=1kHz 75 f=10kHz 55 Power Supply Rejection PSRR IO = 100mA CO=2.2μF ceramic CBYP=0.01μF f=100kHz 30 dB CO=2.2μF 30 Output Voltage Noise eN f=10Hz to 100kHz IO = 10mA, CBYP=0μF CO=100μF 20 μ Vrms CO=2.2μF 30 Output Voltage Noise eN f=10Hz to 100kHz IO = 10mA, CBYP=0.01μF CO=100μF 20 μ Vrms Shutdown Supply Current ISD VIN=5.0V, VOUT=0V, VEN < VEL 2.0 3.0 μ A IEH VEN=VIN, VIN=2.6V to 7V 0.1 μ A EN Input Bias Current IEL VEN=0, VIN=2.6V to 7V 2.0 3.0 μ A VEH VIN=2.6V to 7V 2 VIN V EN Input Threshold VEL VIN=2.6V to 7V 0 0.4 V Note 1. VIN(MIN) = VOUT + VDROPOUT 2006/10/11 Rev. 1.3 Champion Microelectronic Corporation Page 4 |
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