KMA1117-3.3V

Integrate Circuit IC SMD Type 1A Low Dropout Positive Adjustable or Fixed-Mode Regulator KMA1117(LMA1117) 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 Adj(GND) 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 300 /W Thermal Resistance Junction-to-Case * JC 100 /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 IC Integrate Circuit SMD Type KMA1117(LMA1117) Electrical Characteristics Ta = 25 Parameter Reference Voltage Output Voltage Line Regulation Load Regulation Testconditons KMA1117-ADJ TJ=25 ,(VIN-OUT)=1.5V,IO=10mA 1.470 1.500 1.530 V IOUT = 10mA, TJ = 25 , 3.3V VIN 12V 1.764 1.800 1.836 V KMA1117-1.9 IOUT = 10mA, TJ = 25 , 3.3V VIN 12V 1.862 1.900 1.938 V KMA1117-2.5 IOUT = 10mA, TJ = 25 , 4V 2.450 2.500 2.550 V KMA1117-3.3 IOUT = 10mA, TJ = 25 , 4.8V VIN 12V 3.235 3.300 3.365 V KMA1117-5.0 IOUT = 10mA, TJ = 25 , 6.5V VIN 12V 4.900 5.000 5.100 V 0.2 % 1 % 12 15 mV 1A,TJ=25 15 18 mV 1A,TJ=25 VIN 12V VIN 12V KMA1117-XXX IO=10mA,VOUT+1.5V VIN 12V, TJ=25 KMA1117-ADJ VIN=3.3V,Vadj=0,0mA Io 1A,TJ=25 KMA1117-1.5 VIN=3V,0mA KMA1117-1.8 VIN=3.3V,0mA KMA1117-1.9 VIN=3.3V,0mA 16 19 mV KMA1117-2.5 VIN=4V,0mA Io 1A,TJ=25 20 25 mV KMA1117-3.3 VIN=5V,0mA Io 1A,TJ=25 26 33 mV KMA1117-5.0 VIN=8V,0mA Io 1A,TJ=25 40 50 mV 1.3 1.4 V Io Io Minimum Load Current KMA1117-XXX 0 Tj TA=25 1A,TJ=25 Io KMA1117-XXX (VIN-VOUT) = 5V www.kexin.com.cn V KMA1117-1.8 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 KMA1117-XXX VIN=VOUT+3V 2 Unit , 3V Current Limit Temperature Stability Max 1.275 IOUT = 10mA, TJ = 25 KMA1117-XXX IOUT = 1A , Ripple Rejection Typ 1.250 KMA1117-1.5 Dropout Voltage (VIN-VOUT) Thermal Regulation Min 1.225 IO=10mA 0.5 % IC Integrate Circuit SMD Type KMA1117(LMA1117) 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