LM1117-2.5

CYStech Electronics Corp. 1A Low Dropout Positive Voltage Regulator Spec. No. : C506J3 Issued Date : 2007.07.10 Revised Date :2007.12.11 Page No. : 1/5 LM1117-XXXJ3 Features Adjustable or Fixed Output Output Current of 1A ●Low Dropout, 1.4V max at 1A Output Current ●Good Noise Rejection ●Output Current Limiting ●Built-in Thermal Shutdown ●Fast Transient Response ● ● Description The LM1117 series of positive adjustable and fixed regulators are designed to provide 1A with high efficiency. All internal circuitry is designed to operate down to 1.4V input to output differential. The product is specifically designed to provide wellregulated supply for low-voltage IC application such as high-speed bus termination and low current 3.3V logic supply, and other applications such as VGA cards. Applications High Efficiency Linear Regulators ● Post Regulators for Switching Supplies ● Adjustable Power Supply ● Typical Application Data Fixed Voltage Regulator VIN>4.75V + 3 C1 10μF, Tan. TAB IN GND 1 OUT 2 VOUT=3.3V + C2 10μF, Tan. Min Notes: 1)C1 needed if device is far from filter capacitors 2)C2 minimum value required for stabilit y Adjustable Voltage Regulator VIN>4.75V 3 TAB IN ADJ 1 OUT 2 R1 133Ω,1% VOUT=3.45V + C1 10μF, Tan. + VOUT=VREF×(1+R2/R1)+IADJ×R2 Notes: 1)C1 needed if device is far from filter capacitors 2)C2 minimum value required for stabilit y R2 232Ω, 1% C2 10μF, Tan. Min LM1117-XXXJ3 CYStek Product Specification CYStech Electronics Corp. Package Information Pin 1 2 3 TO-252 Name ADJ/GND OUTPUT INPUT Spec. No. : C506J3 Issued Date : 2007.07.10 Revised Date :2007.12.11 Page No. : 2/5 Absolute Maximum Ratings Symbol PD VIN TOPR TSTG TMJ Parameter Power Dissipation Input Voltage Operating Junction Temperature Range Storage Temperature Maximum Junction Temperature Maximum 1050 -0.3 ~ +15 0 ~ +125 -65 ~ +150 150 Units mW V ℃ ℃ ℃ Device Selection Guide Device LM1117-ADJ LM1117-1.5 LM1117-1.8 LM1117-2.5 LM1117-3.3 LM1117-5.0 Output Voltage Adjustable 1.5V 1.8V 2.5V 3.3V 5.0V Block Diagram LM1117-XXXJ3 CYStek Product Specification CYStech Electronics Corp. Spec. No. : C506J3 Issued Date : 2007.07.10 Revised Date :2007.12.11 Page No. : 3/5 Electrical Characteristics @ IO=10mA,TJ=25℃, unless otherwise specified Parameter Reference voltage Output Voltage Device LM1117-1.5 LM1117-1.8 LM1117-2.5 LM1117-3.3 LM1117-5.0 All version LM1117-ADJ Test Conditions Min 1.470 1.764 2.450 3.235 4.900 1.1 Control Circuitry/ Power transistor Typ 1.500 1.800 2.500 3.300 5.000 12 15 20 26 40 1.3 5 50 0.008 60 0.5 117 15 Max 1.530 1.836 2.550 3.365 5.100 0.2 1 15 18 25 33 50 1.4 10 100 12 0.04 70 Units V V V V V V % % mV mV mV mV mV V A mA μA mA %/W dB % ℃/W ℃/W Adj version VIN-VOUT=1.5V 3.0V≤VIN≤12V 3.3V≤VIN≤12V 4.0V≤VIN≤12V 4.8V≤VIN≤12V 6.5V≤VIN≤12V VOUT+1.5V≤VIN≤12V VIN=3.3V, Vadj=0, 10mA≤IO≤1A LM1117-1.5 VIN=3.0V, 0mA≤IO≤1A LM1117-1.8 VIN=3.3V, 0mA≤IO≤1A LM1117-2.5 VIN=4.0V, 0mA≤IO≤1A LM1117-3.3 VIN=5.0V, 0mA≤IO≤1A LM1117-5.0 VIN=8.0V, 0mA≤IO≤1A Dropout Voltage (VIN-VOUT) Current Limit Minimum Load Current Adjust Pin Current Quiescent Current Thermal Regulation Ripple Rejection Temperature Stability Thermal Resistance, Junction to Ambient( No heat sink, no air flow) Thermal Resistance, Junction to Case All version All version Adj version IO=1A (ΔVOUT=1%VOUT) VIN-VOUT=5V VIN=5V 1.225 1.250 1.275 Line Regulation Load Regulation (Note 1, 2) Adj version VIN=12V, IO=10mA Fixed version VIN=12V, IO=0mA All version All version All version All version All version TA=25℃, 30ms pulse f=120Hz, VIN=VOUT+3V, IO= 1A, COUT=25μF tantalum IO= 10mA Note : 1.See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are measured at a constant junction temperature by low duty cycle pulse testing. Load regulation is measured at the output lead 1/18” from the package. 2. Line and load regulation are guaranteed up to the maximum power dissipation of 15W. Power dissipation is determined by the difference in input and output and the output current. Guaranteed maximum power dissipation will not be available over the full input/output range. LM1117-XXXJ3 CYStek Product Specification CYStech Electronics Corp. Characteristic Curves Spec. No. : C506J3 Issued Date : 2007.07.10 Revised Date :2007.12.11 Page No. : 4/5 GND LM1117-XXXJ3 CYStek Product Specification CYStech Electronics Corp. TO-252 Dimension A C Spec. No. : C506J3 Issued Date : 2007.07.10 Revised Date :2007.12.11 Page No. : 5/5 Marking: 1.5V→ -15 1.8V→ -18 2.5V→ -25 3.3V→ -33 5.0V→ -50 ADJ→ blank B D Device Name L F G 1117□□□ □□□□ Date Code 3 H E K 2 I 1 J Style: Pin 1.Adj(GND) 2.Vout(TAB) 3.Vin 3-Lead TO-252 Plastic Surface Mount Package CYStek Package Code: J3 *: Typical DIM A B C D E F Inches Min. Max. 0.0177 0.0217 0.0650 0.0768 0.0354 0.0591 0.0177 0.0236 0.2520 0.2677 0.2125 0.2283 Millimeters Min. Max. 0.45 0.55 1.65 1.95 0.90 1.50 0.45 0.60 6.40 6.80 5.40 5.80 DIM G H I J K L Inches Min. Max. 0.0866 0.1102 *0.0906 0.0354 0.0315 0.2047 0.2165 0.0551 0.0630 Millimeters Min. Max. 2.20 2.80 *2.30 0.90 0.80 5.20 5.50 1.40 1.60 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. LM1117-XXXJ3 CYStek Product Specification