Integrate Circuit IC SMD Type 1A Low Dropout Positive Adjustable or Fixed-Mode Regulator KMT1117(LMT1117) SOT-223 1.4V maximum dropout at full load current Unit: mm +0.2 3.50-0.2 6.50 0.1max +0.05 0.90-0.05 +0.2 -0.2 Fast transient response Output current limiting +0.1 3.00-0.1 +0.15 1.65-0.15 Features +0.2 0.90-0.2 +0.3 7.00-0.3 Built-in thermal shutdown 4 Good noise rejection 3-Terminal Adjustable or Fixed 1.5V, 1.8V, 1.9V,2.5V, 3.3V, 5.0V 1 Adj(GND) 1 3 2 +0.1 0.70-0.1 2.9 4.6 2 Vout 3 Vin Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit V DC Supply Voltage Vin -0.3 to 12 Power Dissipation PD Internally Limited Thermal Resistance Junction-to-Ambient JA 117 /W 15 /W Thermal Resistance Junction-to-Case * JC 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 IC Integrate Circuit SMD Type KMT1117(LMT1117) Electrical Characteristics Ta = 25 Parameter Reference Voltage Output Voltage Line Regulation Load Regulation Testconditons KMT1117-ADJ TJ=25 ,(VIN-OUT)=1.5V,IO=10mA 1.250 1.275 V 1.470 1.500 1.530 V IOUT = 10mA, TJ = 25 , 3.3V VIN 12V 1.764 1.800 1.836 V KMT1117-1.9 IOUT = 10mA, TJ = 25 , 3.3V VIN 12V 1.862 1.900 1.938 V KMT1117-2.5 IOUT = 10mA, TJ = 25 , 4V 2.450 2.500 2.550 V KMT1117-3.3 IOUT = 10mA, TJ = 25 , 4.8V VIN 12V 3.235 3.300 3.365 V KMT1117-5.0 IOUT = 10mA, TJ = 25 , 6.5V VIN 12V 4.900 5.000 5.100 V 0.2 % VIN 12V VIN 12V KMT1117-XXX IO=10mA,VOUT+1.5V VIN 12V, TJ=25 KMT1117-ADJ VIN=3.3V,Vadj=0,0mA Io 1 % 12 15 mV 1A,TJ=25 15 18 mV 1A,TJ=25 16 19 mV 1A,TJ=25 20 25 mV Io 1A,TJ=25 26 33 mV Io 1A,TJ=25 40 50 mV 1.3 1.4 V KMT1117-1.5 VIN=3V,0mA KMT1117-1.8 VIN=3.3V,0mA Io KMT1117-1.9 VIN=3.3V,0mA Io KMT1117-2.5 VIN=4V,0mA Io KMT1117-3.3 VIN=5V,0mA KMT1117-5.0 VIN=8V,0mA Io KMT1117-XXX (VIN-VOUT) = 5V Minimum Load Current KMT1117-XXX 0 www.kexin.com.cn 1.225 KMT1117-1.8 Tj TA=25 1A,TJ=25 1A,TJ=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 KMT1117-XXX VIN=VOUT+3V 2 Unit , 3V Current Limit Temperature Stability Max IOUT = 10mA, TJ = 25 KMT1117-XXX IOUT = 1A , Ripple Rejection Typ KMT1117-1.5 Dropout Voltage (VIN-VOUT) Thermal Regulation Min IO=10mA 0.5 % IC Integrate Circuit SMD Type KMT1117(LMT1117) Typical Characteristics Fig.1 Dropout Voltage vs Output Current Fig.3 Percent Change in Output Voltage vs Temperature Fig.5 Line Transient Response Fig.2 Load Regulation vs Temperature Fig.4 Line Regulation Fig.6 Load Transient Response www.kexin.com.cn 3