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SC900AMLTRT Datasheet(PDF) 4 Page - Semtech Corporation |
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SC900AMLTRT Datasheet(HTML) 4 Page - Semtech Corporation |
4 / 23 page 4 © 2005 Semtech Corp. www.semtech.com POWER MANAGEMENT SC900A Electrical Characteristics (Cont.) Parameter Symbol Conditions Min Typ Max Units LDO Regulator B (DIGITAL I/O SUPPLY) (Cont.) Default Setting: ON VO B 2.80 mV Line Regulation at 2.8V LINEREG B I OUT = 1mA, VOUT + 0.15V < VIN < 5.5V 2.5 12 mV Load Regulation at 2.8V LOADREG B 1mA < I OUT <150mA -3 20 mV Dropout Voltage V DB V OUT = 3.0V, IOUT = 150mA 150 190 mV Power Supply Rejection Ratio PSRR B f = 10Hz - 1kHz, C BYP = 0.1μF, I OUT = 50mA, 2.5V ≤ V OUT ≤ 3.0V 60 dB Output Voltage Noise(2) e n-B f = 10Hz - 100kHz, I OUT = 50mA, C VREF = 0.1μF, COUT = 2.2μF, 2.5V ≤ V OUT ≤ 3.0V 45 μV RMS LDO Regulator C Output Voltage Accuracy VOA C 1.75V ≤ V OUT ≤ 3.30V V OUT + 0.15V ≤ VIN ≤ 5.5V I OUT = 1mA, TA = 25°C -3 +3 % Output Voltage Accuracy at 2.90V (DAC = 10111) VOAS C I OUT = 1mA -2 +2 % V OUT + 0.5V ≤ VIN ≤ 5.5V, I OUT = 150mA -3.5 +3.5 % Maximum Output Current IOMAX C 150 mA Default Setting: ON VO C 2.90 V Line Regulation at 2.90V LINEREG C I OUT = 1mA, VOUT + 0.15V < VIN < 5.5V 2.5 12 mV Load Regulation at 2.90V LOADREG C 1mA < I OUT <150mA -3 -20 mV Dropout Voltage V DC V OUT = 3.3V, IOUT = 150mA 150 190 mV Power Supply Rejection Ratio PSRR C f = 10Hz - 1kHz, C BYP = 0.1μF, I OUT = 50mA, 2.5V ≤ V OUT ≤ 3.3V 60 dB Output Voltage Noise(2) e n-C f = 10Hz - 100kHz, I OUT = 50mA, C VREF = 0.1μF, COUT = 2.2μF, 2.5V ≤ V OUT ≤ 3.3V 55 μV RMS LDO Regulator D Output Voltage Accuracy VOA D 1.75V ≤ V OUT ≤ 3.30V V OUT + 0.15V ≤ VIN ≤ 5.5V I OUT = 1mA, TA = 25°C -3 +3 % Output Voltage Accuracy at 3.10V (DAC = 10111) VOAS D I OUT = 1mA -2 +2 % V OUT + 0.5V ≤ VIN ≤ 5.5V, I OUT = 150mA -3.5 +3.5 % |
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