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LD3870-2.4V 数据表(PDF) 3 Page - Unisonic Technologies |
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LD3870-2.4V 数据表(HTML) 3 Page - Unisonic Technologies |
3 / 7 page UTC LD3870 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R102-027,B ELECTRICAL CHARACTERISTICS (Vo=1.5V Version, VIN=2.4V, CIN=0.1μF, Co=4.7μF, Cp=0.01μF, Ta=25℃) PARAMETER SYMBOL TEST CONDITONS MIN. TYP. MAX. UNIT Output Voltage Vo Io=30mA -2% +2% V Quiescent Current IQ Io=0mA, expect Icont 200 300 μA Quiescent Curretn At Control OFF IQ(OFF) VCONT=0V 100 nA Output Curretn Io Vo-0.3V 150 200 mA Line Regulation △Vo/△VIN VIN=Vo+1V ~ Vo+6V, Io=30mA 0.10 %/V Load Regulation △Vo/△Io Io=0 ~ 100mA 0.03 %/mA Ripple Rejection RR ein=200mVrms, f=1kHz, Io=10mA, VIN=Vo+2V 64 dB Average Temperature Coefficient of Output Voltage △Vo/△Ta Ta=0 ~ 85℃, Io=10mA 0.13 mV/℃ Output Noise Voltage VNO f=10Hz ~ 80kHz, Io=10mA 15 μVrms Control Voltage for ON-state VCONT(ON) 1.6 V Control Voltage for OFF-state VCONT(OFF) 0.6 V TEST CIRCUIT VIN VOUT CONTROL NOISE BYPASS GND A A V V IIN VIN VCONT ICONT IOUT VOUT (tantalum) 4.7 μF + + CP=0.01 μF 0.1 μF UTC LD3870 TYPICAL APPLICATON ① In case that ON/OFF Control is not required: VIN VOUT CONTROL NOISE BYPASS GND (ceramic or tantalum) (0~300kΩ) R VOUT 0.1 μF Cp=0.01 μF 4.7 μF UTC LD3870 |
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