KMU1117 KEXIN | Alldatasheet
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Technical content
Features
1.4V maximum dropout at full load current Fast transient response Output current limiting Built-in thermal shutdown Good noise rejection Block Diagram 2.3 0.60+0.1 -0.1 6.50+0.15 -0.15 1.50+0.15 -0.15 0.80+0.1 -0.1 4.60+0.15 -0.15 0.50+0.15 -0.15 9.70+0.2 -0.2 5.30+0.2 -0.2 2.30+0.1 -0.1 0.50+0.8 -0.7 5.55+0.15 -0.152.65+0.25 -0.1 1.50+0.28 -0.1 0.127 max 3.80 TO-252 Unit: mm 1A Low Dropout Positive Adjustable or Fixed-Mode Regulator KMU1117(LMU1117)
1 Adj(GND)
2 Vout
Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit DC Supply Voltage V in -0.3 to 12 V Power Dissipation P D Internally Limited Thermal Resistance Junction-to-Ambient JA 92 /W Thermal Resistance Junction-to-Case * JC 10 /W Operating Junction Temperature Range T OP 0 to +150 Storage Temperature T ST -65 to +150 * Control Circuitry/Power Transistor
www.kexin.com.cn2 SMD Type ICSMD Type Integrate Circuit Electrical Characteristics Ta = 25 Testconditons Min Typ Max Unit Reference Voltage KMU1117-ADJ TJ=25 ,(VIN-OUT)=1.5V,IO=10mA 1.225 1.250 1.275 V KMU1117-1.5 IOUT = 10mA, TJ =2 5 ,3 V VIN 12V 1.470 1.500 1.530 V KMU1117-2.5 IOUT = 10mA, TJ =2 5 ,4 V VIN 12V 2.450 2.500 2.550 V Line Regulation KMU1117-XXX IO=10mA,VOUT+1.5V VIN 12V, TJ=25 0.2 % KMU1117-ADJ VIN=3.3V,Vadj=0,0mA Io 1A,TJ=25 1% KMU1117-1.5 VIN=3V,0mA Io 1A,TJ=25 12 15 mV KMU1117-1.8 VIN=3.3V,0mA Io 1A,TJ=25 15 18 mV KMU1117-1.9 VIN=3.3V,0mA Io 1A,TJ=25 16 19 mV KMU1117-2.5 VIN=4V,0mA Io 1A,TJ=25 20 25 mV KMU1117-3.3 VIN=5V,0mA Io 1A,TJ=25 26 33 mV KMU1117-5.0 VIN=8V,0mA Io 1A,TJ=25 40 50 mV Dropout Voltage (VIN-VOUT) KMU1117-XXX IOUT =1 A, VOUT=0.1%VOUT 1.3 1.4 V Current Limit KMU1117-XXX (V IN-VOUT) = 5V 1. 1 A Minimum Load Current KMU1117-XXX 0 Tj 125 51 0 m A TA=25 , 30ms pulse 0.008 0.04 %/W F=120Hz,COUT=25uF Tantalum, IOUT=1A KMU1117-XXX V IN=VOUT+3V 60 70 dB Temperature Stability I O=10mA 0.5 % Parameter Output Voltage Ripple Rejection Load Regulation Thermal Regulation KMU1117(LMU1117)
www.kexin.com.cn 3 SMD Type ICSMD Type Integrate Circuit Typical Characteristics 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 KMU1117(LMU1117)