AMS1117 PDF
Features: Ø Dropout voltage 1.2V Ø Line regulation typically at 0.2% max Ø Load regulation typically at 0.4% max Ø Current limiting and Thermal protection Ø Adjustable Output Voltage or Fixed 1.25V,1.5V, 1.8V,2.5V,2.85V,3.3V,5V Ø Standard 3-pin Power Packages Ø Maximum Input Voltage -15V Ø Operating Junction Temperature Range - 0 to + 150℃ ABSOLUTE MAXIMUM RATINGS Ø Power Dissipation 12W Ø Input Voltage 12V-(VO=1.5V,1.8V,2.5V,3.3V) 15V-(VO=5.0V,adjustable) Ø Operating Junction Temperature Range 0 to +150℃ Ø Storage Temperature - 65℃ to +150℃ AMS1117 TO-252 TO-126 I-Pak Vin APPLICATION INFORMATION ET1117 VO 10μF + Tantalum + 10μF Tantalum FIGURE 1. Fixed-Voltage Model -Basic Connections. Vin C1 + 10μF ET1117 (Adj) R1 + C2 10μF VO Load C3 + 10μF R2 VO=Vref(1+R2/R1)+IadjR2 FIGURE 1.Adjustable-Voltage Model-Basic Connections Add:北京市海淀区永定路88号长银大厦 6A06-6A07 Pos t al code : 100039 Http://www.estek.com.cn Te l:( 0 1 0 ) 5 8 8 9 5 7 8 0 / 8 1 / 8 2 / 8 3 / 8 4 F a x : ( 0 1 0 ) 5 8 8 9 5 7 9 3 E m a i l : s a l e s @ es te k . c o m . c n ELECTRICAL CHARACTERISTICS (Tj=+25℃,unless otherwise noted) AMS1117 PARAMETER CONDITIONS MIN TYP MAX UNITS OUETT1P1U17T( AVdOjuLsTtaAblGe)E IO=10mA,Vin -VO=2V 1.238 1.250 1.262 V IO=10mA to1A, Vin-VO=1.5 to 13.75V 1.232 1.250 1.268 V ET1117-1.5 ET1117-1.8 ET1117-2.5 ET1117-2.85 ET1117-3.3 ET1117-5.0 OUTPUT VOLTAGE IO=10mA,Vin=3.5V 1.485 1.500 1.515 V IO=0 to 1A,Vin =3.0V to 12V 1.477 1.500 1.522 V IO=10mA,Vin=3.8V 1.782 1.800 1.818 V IO=0 to 1A,Vin =3.3V to 12V 1.773 1.800 1.827 V IO=10mA,Vin=4.5V 2.475 2.500 2.525 V IO=0 to 1A,Vin =4.0V to 12V 2.462 2.500 2.538 V IO=10mA,Vin=4.85V 2.820 2.850 2.880 V IO=0 to 1A,Vin =4.4V to 12V 2.807 2.850 2.893 V IO=10mA,Vin=5.3V 3.270 3.300 3.330 V IO=0 to 1A,Vin =4.8V to 12V 3.250 3.300 3.350 V IO=10mA,Vin=7V 4.950 5.000 5.050 V IO=0 to 1A,Vin =6.5V to 15V 4.925 5.000 5.075 V Tj=0℃ to +125℃ ET1117(Adjustable) ET1117-1.5 ET1117-1.8 ET1117-2.5 ET1117-2.85 ET1117-3.3 ET1117-5.0 LINE REGULATION ET1117(Adjustable) ET1117-1.5 ET1117-1.8 ET1117-2.5 ET1117-2.85 ET1117-3.3 ET1117-5.0 LOAD REGULATION ET1117(Adjustable)(1) ET1117-1.5 ET1117-1.8 ET1117-2.5 ET1117-2.85 ET1117-3.3 ET1117-5.0 DROPOUT VOLTAGE (2) IO=10mAto1A,Vin-VO=1.5to13.75V IO=0 to 1A,Vin=3.0V to 12V IO=0 to 1A,Vin=3.3V to 12V IO=0 to 1A,Vin=4.0V to 12V IO=0 to 1A,Vin=4.4V to 12V IO=0 to 1A,Vin=4.8V to 12V IO=0 to 1A,Vin=6.5V to 15V IO=10mA,Vin-VO=1.5 to 13.75V IO=0,Vin=3.0V to 12V IO=0,Vin=3.3V to 12V IO=0,Vin=4.0V to 12V IO=0,Vin=4.4V to 12V IO=0,Vin=4.8V to 12V IO=0,Vin=6.5V to 15V IO=10mA to 1A,Vin-VO=2V IO=1 to 1A,Vin=3.5V IO=1 to 1A,Vin=3.8V IO=1 to 1A,Vin=4.5V IO=1 to 1A,Vin=4.85V IO=1 to 1A,Vin=5.3V IO=1 to 1A,Vin=7.0V 1.225 1.470 1.764 2.450 2.790 3.240 4.900 1.250 1.500 1.800 2.500 2.850 3.300 5.000 0.1 2 2 2 2 3 4 0.2 3 3 3 3 4 5 1.280 1.530 1.836 2.550 2.910 3.360 5.100 0.2 7 7 7 7 7 10 0.4 10 10 10 10 12 15 V V V V V V V % mV mV mV mV mV mV % mV mV mV mV mV mV All Models IO=800mA IO=1A IO=1A(Tj=0℃ to +125 1.10 1.2 1.2 1.20 1.30 1.48 V V V CURRENT LIMIT Vin -VO=5V 1000 1250 1600 mA MINIMUM LOAD CURRENT Adjustable Vin-VO=12V 5 10 mA AMS1117 QUIESCENT CURRENT Vin -VO=5V 5.2 10 MA Adjust PIN Current vs Load Current, ET1117 IO=10mA, Vin-VO=1.5V to 12V IO=10mAto1A,Vin-VO=1.5Vto12V 50 0.5 120 5 uA uA TEMPERATURE DRIFT Tj=0℃to+125℃ 0.5 % NOTES: (1)AMS1117 adjustable versions require a minimum load current for ±3% regulation. (2) Dropout voltage is the input voltage minus output voltage that produces a 1% decrease in output voltage.
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