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AAT3242ITP-QG-T1 Datasheet(PDF) 4 Page - Advanced Analogic Technologies |
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AAT3242ITP-QG-T1 Datasheet(HTML) 4 Page - Advanced Analogic Technologies |
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4 / 15 page  AAT3242 300mA/150mA Dual CMOS LDO Linear Regulator PowerLinearTM PRODUCT DATASHEET 4 3242.2008.08.1.11 www .analogictech.com AAT3242 300mA/150mA Dual CMOS LDO Linear Regulator PowerLinearTM PRODUCT DATASHEET 4 3242.2008.08.1.11 www .analogictech.com Electrical Characteristics1 VIN = VOUT(NOM) + 1.0V for VOUT options greater than 1.5V. VIN = 2.5V for VOUT ≤ 1.5V. IOUT = 1.0mA, COUT = 2.2μF, CIN = 1.0μF, TA = -40°C to +85°C, unless otherwise noted. Typical values are TA = 25°C. Symbol Description Conditions Min Typ Max Units LDO A; IOUT = 300mA VOUT Output Voltage Tolerance IOUT = 1mA to 300mA TA = 25°C -1.5 1.5 % TA = -40 to 85°C -2.5 2.5 VIN Input Voltage VOUT + VDO5 5.5 V VDO Dropout Voltage2, 3 IOUT = 300mA 400 600 mV ΔVOUT/ VOUT*ΔVIN Line Regulation4 VIN = VOUT + 1V to 5.0 V 0.09 %/V ΔVOUT(Line) Dynamic Line Regulation IOUT = 300mA, VIN = VOUT + 1 to VOUT + 2, TR/TF = 2μs 5.0 mV ΔVOUT(Load) Dynamic Load Regulation IOUT = 1mA to 300mA, TR < 5μs60 mV VEN(L) Enable Threshold Low 0.6 V VEN(H) Enable Threshold High 1.5 V VPOK Power OK Trip Threshold VOUT Rising, TA = 25°C 90 94 98 % of VOUT VPOKHYS Power OK Hysteresis 1.0 % of VOUT VPOK(LO) Power OK Output Voltage Low ISINK = 1mA 0.4 V IPOK POK Output Leakage Current VPOK < 5.5V, VOUT in Regulation 1.0 μA IOUT Output Current VOUT > 1.2V 300 mA ISC Short-Circuit Current VOUT < 0.4V 600 mA IQ Ground Current VIN = 5V, No Load; EN A = VIN 70 125 μA ISD Shutdown Current VIN = 5V, EN A = 0V 1.0 μA PSRR Power Supply Rejection Ratio IOUT =10mA 1kHz 65 dB 10kHz 45 1MHz 42 TSD Over-Temperature Shutdown Threshold 145 °C THYS Over-Temperature Shutdown Hysteresis 12 °C eN Output Noise eNBW = 300Hz to 50kHz 250 μVRMS TC Output Voltage Temperature Coefficient 22 ppm/°C 1. The AAT3242 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correla- tion with statistical process controls. 2. VDO is defined as VIN - VOUT when VOUT is 98% of nominal. 3. For VOUT < 2.1V, VDO = 2.5 - VOUT. 4. CIN = 10μF. 5. To calculate minimum input voltage, use the following equation: VIN(MIN) = VOUT(MAX) + VDO(MAX) as long as VIN ≥ 2.5V. |
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