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| TECHNICAL DATA IL1117-x 1.0A Low Dropout Positive Voltage Regulator Features Adjustable and Fixed of 1.2, 1.25, 1.5, 1.8, 2.5, 2.85, 3.3, 5.0V Space saving SMD types of SOT-223 1.2V Drop-out Voltage 1.0A Output Current Line Regulation Typically at 0.2% max Current Limiting and Thermal Protection SOT-223 IL1117-xx S1117-XX ADJ/ GND OUT IN General Description The IL1117 is a series of low dropout voltage regulators which can provide up to 1A of output current. The IL1117 is available in seven fixed voltage, 1.2, 1.25, 1.5, 1.8, 2.5, 2.85, 3.3 and 5.0V. Additionally it is also available in adjustable version. On chip precision trimming adjusts the reference/ output voltage to within 2%. Current limit is also trimmed to ensure specified output current and controlled short-circuit current. The IL1117 series is available in SOT-223 packages. A minimum of 10uF tantalum capacitor is required at the output to improve the transient response and stability. 1 2 3 Applications Post Regulator for switching DC/DC Converter High Efficiency Linear Regulator Battery Chargers PC Add on Card Motherboard clock supplies LCD Monitor Set-top Box Absolute Maximum Ratings Maximum Input Voltage ~ 15.0V Operating Junction Temperature Range -25 ~ 125 Storage Temperature Range -50 ~ 150 1 IL1117-x Electrical Characteristics (Vin = 5V, Co = 10uF, Ta = 25, unless otherwise specified) PARAMETER OUTPUT VOLTAGE IL1117-1.2 IL1117-1.25 (Adjustable) IL1117-1.5 IL1117-1.8 IL1117-2.5 IL1117-2.85 IL1117-3.3 IL1117-5.0 LINE REGULATION IL1117-1.2 IL1117-1.25 (Adjustable) IL1117-1.5 IL1117-1.8 IL1117-2.5 IL1117-2.85 IL1117-3.3 IL1117-5.0 LOAD REGULATION IL1117-1.2 IL1117-1.25 (Adjustable) IL1117-1.5 IL1117-1.8 IL1117-2.5 IL1117-2.85 IL1117-3.3 IL1117-5.0 DROPOUT VOLTAGE (2) All Models CURRENT LIMIT MINIMUM LOAD CURRENT Adjustable Models QUIESCENT CURRENT Adjust Pin Current vs Load Current, IL1117 TEMPERATURE DRIFT RMS Output Noise Ripple Rejection Ratio Io = 800mA Io=1A Io=1A (Tj = -25C to +125C.) Vin = 5V Vin = 13.75V Vin = 5V Io = 10mA, Vin = 1.4 to 10V Io = 10mA to 1A, Vin = 1.4 to 10V Tj= -25C to +125C Bandwidth of 10Hz to 10kHz at 25C 120Hz input Ripple(Cadj for ADJ)=25uF Vin -Vo = 5V, Io = 1.0A Tj= -25C to +125C 5.2 50 0.5 0.5 0.003 60 72 1.10 1.20 1.20 1250 1.20 1.30 1.55 1600 5 10 120 5 V mA mA mA uA uA % %Vo dB Io=10mA to 1.0A, Vin =2.0V Io=10mA to 1.0A, Vin =2.0V Io=10mA to 1.0A, Vin =3.5V Io=10mA to 1.0A, Vin =3.8V Io=10mA to 1.0A, Vin =4.5V Io=10mA to 1.0A, Vin =4.85V Io=10mA to 1.0A, Vin=5.3V Io=10mA to 1.0A, Vin=7.0V 0.2 3.0 3.0 3.0 3.0 3.0 4.0 5.0 0.4 10.0 10.0 10.0 10.0 10.0 12.0 15.0 % mV mV mV mV mV mV mV Io=10mA to 1.0A, Vin =1.5 to 12.0V Io=10mA to 1.0A, Vin =1.5 to 12.0V Io=10mA to 1.0A, Vin =3.0 to 12.0V Io=10mA to 1.0A, Vin =3.3 to 12.0V Io=10mA to 1.0A, Vin =4.0 to 12.0V Io=10mA to 1.0A, Vin =4.4 to 12.0V Io=10mA to 1.0A, Vin =4.8 to 12.0V Io=10mA to 1.0A, Vin =6.5 to 15.0V 0.1 2.0 2.0 2.0 2.0 2.0 3.0 4.0 0.2 7.0 7.0 7.0 7.0 7.0 7.0 10.0 % mV mV mV mV mV mV mV CONDITIONS Tj = -25C to +125C Io=10mA to 1.0A, Vin=1.5 to 12.0V Io=10mA to 1.0A, Vin=1.5 to 12.0V Io=10mA to 1.0A, Vin=3.0 to 12.0V Io=10mA to 1.0A, Vin=3.3 to 12.0V Io=10mA to 1.0A, Vin=4.0 to 12.0V Io=10mA to 1.0A, Vin=4.4 to 12.0V Io=10mA to 1.0A, Vin=4.8 to 12.0V Io=10mA to 1.0A, Vin=6.5 to 15.0V MIN 1.176 1.225 1.470 1.764 2.450 2.790 3.240 4.900 TYP 1.200 1.250 1.500 1.800 2.500 2.850 3.300 5.000 MAX 1.224 1.280 1.530 1.836 2.550 2.910 3.360 5.100 UNIT V 1000 NOTES: (1) IL1117-x adjustable versions require a minimum load current for 3% regulation. (2) Dropout voltage is the input voltage minus output voltage that produces a 1% decrease in output voltage. 2 IL1117-x Block Diagram Application Information IL1117 IL1117 (Adj) FIGURE 1. Fixed-Voltage Model --Basic Connections. FIGURE 2. Adjustable-Voltage Model --Basic Connections. 3 IL1117-x 4 IL1117-x 5 IL1117-x SOT-223 6 |
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