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| SMD Type Integrate Circuit IC 1A Low Dropout Positive Adjustable or Fixed-Mode Regulator KMT1117(LMT1117) 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 SOT-223 6.50 +0.2 -0.2 Unit: mm +0.2 3.50-0.2 0.1max +0.05 0.90-0.05 +0.1 3.00-0.1 +0.2 0.90-0.2 +0.3 7.00-0.3 4 1 Adj(GND) 2 2.9 4.6 3 +0.1 0.70-0.1 2 Vout 3 Vin Absolute Maximum Ratings Ta = 25 Parameter DC Supply 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 -0.3 to 12 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 KMT1117(LMT1117) Electrical Characteristics Ta = 25 Parameter Reference Voltage KMT1117-ADJ TJ=25 KMT1117-1.5 KMT1117-1.8 Output Voltage KMT1117-1.9 KMT1117-2.5 KMT1117-3.3 KMT1117-5.0 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 IC Integrate Circuit 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 Unit V V V V V V V % % mV mV mV mV mV mV V A IOUT = 10mA, TJ = 25 IOUT = 10mA, TJ = 25 IOUT = 10mA, TJ = 25 IOUT = 10mA, TJ = 25 IOUT = 10mA, TJ = 25 IOUT = 10mA, TJ = 25 KMT1117-XXX IO=10mA,VOUT+1.5V KMT1117-ADJ VIN=3.3V,Vadj=0,0mA KMT1117-1.5 KMT1117-1.8 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 12 15 16 20 26 40 1.3 1. 1 5 0.008 1A,TJ=25 1A,TJ=25 1A,TJ=25 1A,TJ=25 1A,TJ=25 1A,TJ=25 15 18 19 25 33 50 1.4 Load Regulation KMT1117-1.9 KMT1117-2.5 KMT1117-3.3 KMT1117-5.0 Dropout Voltage (VIN-VOUT) Current Limit Minimum Load Current Thermal Regulation Ripple Rejection Temperature Stability KMT1117-XXX IOUT = 1A , VOUT=0.1%VOUT KMT1117-XXX (VIN-VOUT) = 5V KMT1117-XXX 0 Tj 125 , 30ms pulse 10 0.04 mA %/W TA=25 F=120Hz,COUT=25uF Tantalum, IOUT=1A KMT1117-XXX VIN=VOUT+3V IO=10mA 60 0.5 70 dB % 2 www.kexin.com.cn SMD Type KMT1117(LMT1117) Typical Characteristics IC Integrate Circuit Fig.1 Dropout Voltage vs Output Current Fig.2 Load Regulation vs Temperature Fig.3 Percent Change in Output Voltage vs Temperature Fig.4 Line Regulation Fig.5 Line Transient Response Fig.6 Load Transient Response www.kexin.com.cn 3 |
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