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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 / 16 page AAT1150 1MHz 1A Step-Down DC/DC Converter 4 1150.2005.03.1.2 Electrical Characteristics V IN = 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 V IN Input Voltage Range 2.7 5.5 V V OUT Output Voltage Tolerance V IN = VOUT + 0.3 to 5.5V, -4.0 4.0 % I OUT = 0 to 1A ∆V OUT (VOUT*∆VIN) Load Regulation V IN = 4.2V, ILOAD = 0 - 1A 3.0 % ∆V OUT/VOUT Line Regulation V IN = 2.7 to 5.5V 0.2 %/V V UVLO Under-Voltage Lockout V IN Rising 2.5 V V IN Falling 1.2 V UVLO(HYS) Under-Voltage Lockout Hysteresis 250 mV I Q Quiescent Supply Current No Load, V FB = 0 160 300 µA I SHDN Shutdown Current V EN = 0V, VIN = 5.5V 1.0 µA I LIM Current Limit T A = 25°C 1.2 A R DS(ON)H High Side Switch On Resistance T A = 25°C 110 150 m Ω R DS(ON)L Low Side Switch On Resistance T A = 25°C 100 150 m Ω η Efficiency V IN = 5V, VOUT = 3.3V, 93 % I OUT = 600mA V EN(L) Enable Low Voltage V IN = 2.7 to 5.5V 0.6 V V EN(H) Enable High Voltage V IN = 2.7 to 5.5V 1.4 V I EN Enable Pin Leakage Current V EN = 5.5V 1.0 µA F OSC Oscillator Frequency T A = 25°C 700 1000 1200 kHz T SD Over-Temperature Shutdown 140 °C Threshold T HYS Over-Temperature Shutdown 15 °C Hysteresis |
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