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