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LDR3318 Datasheet(PDF) 3 Page - STMicroelectronics |
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LDR3318 Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 13 page LDRxxyy 3/13 Table 5: Electrical Characteristics (VI1 = VO1+2V, VI2 = VO2+2V, VINH1 = VINH2 = 2.5V, CI1,2 = 2.2µF, CO1,2 = 4.7µF, IO1 = IO2 = 10mA, TA = -40°C to 125°C, unless otherwise specified. Typical values are referred at TA = 25°C) (1): This test is not performed for VO<2.5V. (2): Guaranteed by design, but not tested in production. Figure 3: Typical Application Circuit Symbol Parameter Test Conditions Min. Typ. Max. Unit VO1 Output Voltage 1 -5 VNOM1 +5 %V VO2 Output Voltage 2 -5 VNOM2 +5 %V VDROP1 Dropout Voltage 1 (1) IO1 = 500mA 0.3 0.7 V VDROP2 Dropout Voltage 2 (1) IO2 = 1A 0.4 0.8 V ∆V O1 Line Regulation 1 VI1 = VO1+2V to VO1+7V, IO = 250mA 15 30 mV ∆V O2 Line Regulation 2 VI2 = VO2+2V to VO2+7V, IO = 500mA 15 40 mV ∆V O1 Load Regulation 1 VI1 = VO1+2V, IO1 = 10 to 500mA 10 mV ∆V O2 Load Regulation 2 VI2 = VO2+2V, IO2 = 10mA to 1A 60 mV ISTOT Total Supply Current IO1 = IO2 = NO LOAD 2 mA IS 1 Channel Supply Current NO LOAD 1 mA IQMAX Quiescent Current IO1 = 500mA, IO2 = 1A 30 mA ISC1 Short Circuit Current 1 TA = 25° 500 800 mA ISC2 Short Circuit Current 2 TA = 25° 1 1.6 A VINH-H Enable Voltage HIGH 2.4 V VINH-L Enable Voltage LOW 0.8 V IINH Enable Pin Current VINH = 5V 6 µA SVR Supply Voltage Rejection (2) VI1,2 = VO1,2 +3V ±1V, IO1,2 = 10 mA, f = 120Hz 70 dB eN RMS Output Noise (2) Bandwidth of 10Hz to 100KHz 0.003 %VO |
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