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| SMD Type Integrate Circuit IC 1A Low Dropout Positive Adjustable or Fixed-Mode Regulator AMS1117 SOT-223 Unit: mm +0.2 3.50-0.2 0.1max +0.05 0.90-0.05 Features 1.4V maximum dropout at full load current Fast transient response Output current limiting Built-in thermal shutdown Good noise rejection 3-Terminal Adjustable or Fixed 1.5V, 1.8V, 1.9V,2.5V, 3.3V, 5.0V 1 6.50 +0.2 -0.2 +0.1 3.00-0.1 +0.2 0.90-0.2 +0.3 7.00-0.3 4 2 2.9 4.6 3 +0.1 0.70-0.1 1 Adj(GND) 2 Vout 3 Vin Absolute Maximum Ratings Ta = 25 Parameter Maximum Input Voltage Power Dissipation Thermal Resistance Junction-to-Ambient Thermal Resistance Junction-to-Case * Operating Junction Temperature Range Storage Temperature * Control Circuitry/Power Transistor Symbol Vin PD JA JC Rating 18 Internally Limited 117 15 0 to +150 -65 to +150 Unit V /W /W TOP TST Block Diagram +0.15 1.65-0.15 www.kexin.com.cn 1 SMD Type Integrate Circuit IC 1A Low Dropout Positive Adjustable or Fixed-Mode Regulator AMS1117 Electrical Characteristics Ta = 25 Parameter Reference Voltage AMS1117-ADJ TJ=25 AMS1117-1.5 AMS1117-1.8 Output Voltage AMS1117-1.9 AMS1117-2.5 AMS1117-3.3 AMS1117-5.0 Line Regulation Testconditons ,(VIN-OUT)=1.5V,IO=10mA , 3V , 3.3V , 3.3V , 4V , 4.8V , 6.5V VIN 12V VIN 12V VIN 12V VIN 12V VIN 12V VIN 12V Min 1.225 1.470 1.764 1.862 2.450 3.235 4.900 Typ 1.250 1.500 1.800 1.900 2.500 3.300 5.000 Max 1.275 1.530 1.836 1.938 2.550 3.365 5.100 0.2 1 12 15 16 20 26 40 1.3 1. 1 5 0.008 10 0.04 15 18 19 25 33 50 1.4 Unit V V V V V V V % % mV mV mV mV mV mV V A mA %/W IOUT = 10mA, TJ = 25 IOUT = 10mA, TJ = 25 IOUT = 10mA, TJ = 25 IOUT = 10mA, TJ = 25 IOUT = 10mA, TJ = 25 IOUT = 10mA, TJ = 25 AMS1117-XXX IO=10mA,VOUT+1.5V AMS1117-ADJ VIN=3.3V,Vadj=0,0mA AMS1117-1.5 AMS1117-1.8 VIN=3V,0mA VIN=3.3V,0mA VIN=3.3V,0mA VIN=4V,0mA VIN=5V,0mA VIN=8V,0mA Io Io Io Io Io Io VIN 12V, TJ=25 Io 1A,TJ=25 1A,TJ=25 1A,TJ=25 1A,TJ=25 1A,TJ=25 1A,TJ=25 1A,TJ=25 Load Regulation AMS1117-1.9 AMS1117-2.5 AMS1117-3.3 AMS1117-5.0 Dropout Voltage (VIN-VOUT) Current Limit Minimum Load Current Thermal Regulation Ripple Rejection Temperature Stability AMS1117-XXX IOUT = 1A , VOUT=0.1%VOUT AMS1117-XXX (VIN-VOUT) = 5V AMS1117-XXX 0 Tj 125 , 30ms pulse TA=25 F=120Hz,COUT=25uF Tantalum, IOUT=1A AMS1117-XXX V IN=VOUT+3V IO=10mA 60 0.5 70 dB % Typical Applications AMS1117-3.3 www.kexin.com.cn 2 |
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