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AAT2146IJS-0.6-T1 Datasheet(PDF) 4 Page - Advanced Analogic Technologies |
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AAT2146IJS-0.6-T1 Datasheet(HTML) 4 Page - Advanced Analogic Technologies |
4 / 19 page AAT2146 Low Noise, Fast Transient 600mA Step-Down Converter SwitchRegTM PRODUCT DATASHEET 4 2146.2008.04.1.1 www .analogictech.com AAT2146 Low Noise, Fast Transient 600mA Step-Down Converter SwitchRegTM PRODUCT DATASHEET 4 2146.2008.04.1.1 www .analogictech.com Electrical Characteristics1 TA = -40°C to +85°C, unless otherwise noted. Typical values are TA = 25°C, VIN = 3.6V. Symbol Description Conditions Min Typ Max Units Step-Down Converter VIN Input Voltage 2.7 5.5 V VIN Rising 2.7 V VUVLO UVLO Threshold Hysteresis 100 mV VIN Falling 1.8 V VOUT Output Voltage Tolerance IOUT = 0 to 600mA, VIN = 2.7V to 5.5V -3.0 +3.0 % VOUT Output Voltage Range 0.6 VIN V IQ Quiescent Current No Load, 0.6V Adjustable Version 37 70 μA ISHDN Shutdown Current EN = AGND = PGND 1.0 μA ILIM P-Channel Current Limit 800 mA RDS(ON)H High Side Switch On Resistance 0.35 Ω RDS(ON)L Low Side Switch On Resistance 0.30 Ω ΔVLinereg Line Regulation VIN = 2.7V to 5.5V; IOUT = 600mA 0.1 %/V VOUT Out Threshold Voltage Accuracy 0.6V Output, No Load; TA = 25°C 591 600 609 mV IOUT Out Leakage Current 0.6V Output 0.2 μA ROUT Out Impedance >0.6V Output 250 kΩ TS Start-Up Time From Enable to Output Regulation 150 μs FOSC Oscillator Frequency TA = 25°C 0.9 2.0 2.6 MHz TSD Over-Temperature Shutdown Threshold 140 °C THYS Over-Temperature Shutdown Hysteresis 15 °C EN VEN(L) Enable Threshold Low 0.6 V VEN(H) Enable Threshold High 1.4 V IEN Input Low Current VIN = VOUT = 5.5V -1.0 1.0 μA 1. The AAT2146 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. |
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