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AAT2603 Datasheet(PDF) 5 Page - Advanced Analogic Technologies |
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AAT2603 Datasheet(HTML) 5 Page - Advanced Analogic Technologies |
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5 / 26 page  AAT2603 Total Power Solution for Portable Applications PRODUCT DATASHEET 2603.2008.10.1.2 5 www .analogictech.com AAT2603 Total Power Solution for Portable Applications PRODUCT DATASHEET 2603.2008.10.1.2 5 www .analogictech.com Electrical Characteristics1 VAIN = VINB1 = VINB2 = VINL12 = VINL34 = 3.6V, CBYP = 10nF, TA = -40°C to 85°C, unless noted otherwise. Typical values are at TA = 25°C. Symbol Description Conditions Min Typ Max Units Power Supply VIN Input Voltage Range 2.7 5.5 V IQ Quiescent Current VENB1 = VENL3 = 3.6V, No Load , VFBB1 = VFBL3 = 3.6V 100 200 μA ISHDN Input Shutdown Current VENx = AGND 1.0 μA UVLO Under-Voltage Lockout VIN rising 2.6 V VIN falling 1.8 V Hysteresis 250 mV FOSC Oscillator Frequency 1.5 MHz tS,BYP Bypass Filter Startup Time VENB1 = 3.6V 200 μs DC-DC1 (Buck1): 1.2A Step-Down Converter VOUT_RANGE Output Voltage Range 0.6 VINB1 V VOUT_ACC Output Voltage Accuracy TA = 25°C, 20mA Load -1.5 +1.5 % TA = -40°C to 85°C, 20mA Load -2.5 +2.5 % VOUT_TOL Output Voltage Tolerance 0A to 1.2A Load; VIN = 2.7V to 5.5V -3.0 +3.0 % VFBB1_ACC Feedback Voltage Accuracy TA = 25°C, 20mA Load 0.591 0.6 0.609 V TA = -40°C to 85°C, 20mA Load 0.585 0.6 0.615 V ΔVOUT/ΔIOUT Load Regulation 0A to 1.2A Load 0.4 % ΔVOUT/ΔVIN Line Regulation VIN = 2.7V to 5.5V 0.2 %/V ISHDN Shutdown Current VENB1 = GND 1.0 μA ILX_LEAK LX Leakage Current VINB1 = 5.5V, VLX1 = 0V to VINB1 1.0 μA ILIM P-Channel Current Limit 1.7 A RDS(ON)H High Side Switch On-Resistance 145 mΩ RDS(ON)L Low Side Switch On-Resistance 200 mΩ tS Start-Up Time Enable to Output Regulation 200 μs DC-DC2 (Buck2): 600mA Step-Down Converter VOUT_RANGE Output Voltage Range 0.6 VINB2 V VOUT_ACC Output Voltage Accuracy TA = 25°C, 20mA Load -1.5 +1.5 % TA = - 40°C to 85°C, 20mA Load -2.5 +2.5 % VOUT_TOL Output Voltage Tolerance 0mA to 600mA Load; VIN = 2.7V to 5.5V -3.0 +3.0 % VFBB2_ACC Feedback Voltage Accuracy SELB2 = '0 TA = 25°C, 20mA Load 0.591 0.6 0.609 V TA = -40°C to 85°C, 20mA Load 0.585 0.6 0.615 Feedback Voltage Accuracy SELB2 = '1' TA = 25°C, 20mA Load 0.763 0.775 0.787 V TA = -40°C to 85°C, 20mA Load 0.756 0.775 0.794 ΔVOUT/ΔIOUT Load Regulation 0mA to 600mA Load 0.2 % ΔVOUT/ΔVIN Line Regulation VIN = 2.7V to 5.5V 0.2 %/V ISHDN Shutdown Current VENB2 = GND 1.0 μA ILX_LEAK LX Leakage Current VINB2 = 5.5V, VLX2 = 0 to VINB2 1.0 μA ILIM P-Channel Current Limit 1.3 A RDS(ON)H High Side Switch On-Resistance 230 mΩ RDS(ON)L Low Side Switch On-Resistance 180 mΩ tS Start-Up Time Enable to Output Regulation 200 μs 1. The AAT2603 is guaranteed to meet performance specification from -40°C to +85°C and is assured by design, characterization and correlation with statistical process controls. |
Similar Part No. - AAT2603_08 |
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Similar Description - AAT2603_08 |
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