LM1117-1.5_IcpdfCom_1710913

CYStech Electronics Corp. Spec. No. : C506L3 Issued Date : 2003.03.22 Revised Date :2005.10.07 Page No. : 1/4 LM1117L3 CYStek Product Specification 1A Low Dropout Positive Voltage Regulator LM1117L3 Features Description ●Adjustable or Fixed Output The LM1117 series of positive adjustable and fixed ●Output Current of 1A regulators are designed to provide 1A with high ●Low Dropout, 1.3V max at 1A Output Current efficiency. All internal circuitry is designed to ●0.04% Line Regulation operate down to 1.3V input to output differential. ●0.2% Load Regulation On-chip trimming adjusts the reference voltage to ●100% Thermal Limit Burn-in 1%. ●Fast Transient Response Applications ● High Efficiency Linear Regulators ● Post Regulators for Switching Supplies ● Adjustable Power Supply Typical Application Data Fixed Voltage Regulator Adjustable Voltage Regulator VOUT=VREF×(1+R2/R1)+IADJ×R2 Notes: 1) C1 needed if device is far from filter capacitors 2) C2 minimum value required for stability C2 10μF Tant.Min VOUT=3.3V C1 10μF Tant VIN>4.75V 1 23 IN TAB GND OUT + VOUT=3.45V C2 10μF Tant.Min R2 232 Ohm,1% C1 10μF, Tant VIN>4.75V + IN TAB ADJ OUT + CYStech Electronics Corp. Spec. No. : C506L3 Issued Date : 2003.03.22 Revised Date :2005.10.07 Page No. : 2/4 LM1117L3 CYStek Product Specification Package Information SOT-223 Absolute Maximum Ratings Symbol Parameter Maximum Units PD Power Dissipation Internally Limited W VIN Input Voltage 7 V TJ Operating Junction Temperature Range Control Section Power Transistor 0 to 125 0 to 150 ℃ TSTG Storage Temperature -65 to 150 ℃ TLEAD Lead Temperature(Soldering, 10 sec) 300 ℃ Device Selection Guide Device Output Voltage LM1117-Adj Adjustable LM1117-1.5 1.5V LM1117-1.8 1.8V LM1117-2.5 2.5V LM1117-2.85 2.8 5V LM1117-3.0 3. 0V LM1117-3.3 3.3V LM1117-3.5 3.5V LM1117-5.0 5.0V Electrical Characteristics @ILOAD=0mA,TJ=25℃, unless otherwise specified Parameter Device Test Conditions Min Typ Max Units VIN=5V,ILOAD=10mA 1.238 1.250 1.262Reference voltage (Note 1) Adj Version VIN=2.65V to 7V,ILOAD=10mA to 1A * 1.225 1.250 1.275 V VIN=VOUT+1.5V Variator from nominal VOUT -1 +1 % VIN=VOUT+1.5V to 7V ILOAD=0mA to 1A Output Voltage (Note 1) Al fixed version Variator from nominal VOUT * -2 +2 % Line Regulation (Note 1) All ILOAD=10mA,(VOUT+1.5V)≦V≦7V * 0.04 0.2 Load Regualtion (Note 1) All VIN=VOUT+1.5V, ILOAD=10mA to 1A * 0.2 0.4 % Minimum Load Current Adj Version VIN=5V,VADJ=0V * 3 7 mA Ground Pin Current All fixed version VIN=VOUT+1.5V, ILOAD=10mA to 1A * 7 13 mA Adjust Pin Current Adj Version VIN=2.65V to 7V, ILOAD=10mA * 55 90 µA Pin Function 1 ADJ/GND 2 OUTPUT 3 INPUT 1 2 3 CYStech Electronics Corp. Spec. No. : C506L3 Issued Date : 2003.03.22 Revised Date :2005.10.07 Page No. : 3/4 LM1117L3 CYStek Product Specification Current Limit All (VIN-VOUT)=1.5V * 1 A Ripple Rejection (Note 2) All VIN=VOUT+1.5V, ILOAD= 1A 60 72 dB Dropout Voltage (Note 1,3) All VIN≧2.65V, ILOAD= 1A * 1.15 1.3 V Temperature Coefficient All VIN=VOUT=1.5V, ILOAD= 10mA * 0.005 %/℃ The * denotes the specifications which apply over the full temperature range. Note 1:Low duty pulse testing with Kelvin connections required. Note 2:120Hz input ripple(CADJ for ADJ=25μF) Note 3:△VOUT, △VREF=1%. Representative Circuit Diagram GND VIN VOUT FOR FIXED VOLTAGE DEVICE FOR ADJUSTABLE VOLTAGE DEVICE ADJ CYStech Electronics Corp. Spec. No. : C506L3 Issued Date : 2003.03.22 Revised Date :2005.10.07 Page No. : 4/4 LM1117L3 CYStek Product Specification SOT-223 Dimension *: Typical Inches Millimeters Inches Millimeters DIM Min. Max. Min. Max. DIM Min. Max. Min. Max. A 0.1142 0.1220 2.90 3.10 G 0.0551 0.0709 1.40 1.80 B 0.2638 0.2874 6.70 7.30 H 0.0098 0.0138 0.25 0.35 C 0.1299 0.1457 3.30 3.70 I 0.0008 0.0039 0.02 0.10 D 0.0236 0.0315 0.60 0.80 a1 *13o - *13o - E *0.0906 - *2.30 - a2 0 o 10 o 0 o 10 o F 0.2480 0.2638 6.30 6.70 Notes: 1.Controlling dimension: millimeters. 2.Maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material. 3.If there is any question with packing specification or packing method, please contact your local CYStek sales office. Material: • Lead: 42 Alloy; solder plating • Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0 Important Notice: • All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of CYStek. • CYStek reserves the right to make changes to its products without notice. • CYStek semiconductor products are not warranted to be suitable for use in Life-Support Applications, or systems. • CYStek assumes no liability for any consequence of customer product design, infringement of patents, or application assistance. 321 F B A C D E G H a1 a2 I Style: Pin 1.Adj/Gnd 2.Output 3.Input 3-Lead SOT-223 Plastic Surface Mounted Package CYStek Package Code: L3 左一: 西元年末碼 左二: 月碼, 1=A, 2=B,…8=H, 9=J, …,12=M 左三-四: 流水號 Date Code Part number: XX: 15 for 1.5V 18 for 1.8V 25 for 2.5V 33 for 3.3V 50 for 5.0V Blank for ADJ