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AAT1150IKS-1.0-T1 Datasheet(PDF) 4 Page - Advanced Analogic Technologies |
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AAT1150IKS-1.0-T1 Datasheet(HTML) 4 Page - Advanced Analogic Technologies |
4 / 17 page AAT1150 1MHz 1A Step-Down DC/DC Converter 4 1150.2006.09.1.5 Electrical Characteristics VIN = VCC = VP = 5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C. Symbol Description Conditions Min Typ Max Units VIN Input Voltage Range 2.7 5.5 V VOUT Output Voltage Tolerance VIN = VOUT + 0.3 to 5.5V, -4.0 4.0 % IOUT = 0 to 1A ΔVOUT (VOUT*ΔVIN) Load Regulation VIN = 4.2V, ILOAD = 0 to 1A 3.0 % ΔVOUT/VOUT Line Regulation VIN = 2.7V to 5.5V 0.2 %/V VUVLO Under-Voltage Lockout VIN Rising 2.5 V VIN Falling 1.2 VUVLO(HYS) Under-Voltage Lockout Hysteresis 250 mV IQ Quiescent Supply Current No Load, VFB = 0 160 300 μA ISHDN Shutdown Current VEN = 0V, VIN = 5.5V 1.0 μA ILIM Current Limit TA = 25°C 1.2 A RDS(ON)H High Side Switch On Resistance TA = 25°C 110 150 m Ω RDS(ON)L Low Side Switch On Resistance TA = 25°C 100 150 m Ω η Efficiency VIN = 5V, VOUT = 3.3V, 93 % IOUT = 600mA VEN(L) Enable Low Voltage VIN = 2.7V to 5.5V 0.6 V VEN(H) Enable High Voltage VIN = 2.7V to 5.5V 1.4 V IEN Enable Pin Leakage Current VEN = 5.5V 1.0 μA FOSC Oscillator Frequency TA = 25°C 700 1000 1200 kHz TSD Over-Temperature Shutdown 140 °C Threshold THYS Over-Temperature Shutdown 15 °C Hysteresis |
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