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Document overview

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Technical content

Features

  • Available in 1.8 V , 2.5 V , 3.3 V , 5.0 V , and Adjustable Versions
  • Space−Saving SOT−223 Package
  • Current Limiting and Thermal Protection
  • Output Current 800 mA
  • Line Regulation 0.2% (Maximum)
  • Load Regulation 0.4% (Maximum)
  • Temperature Range: 0°C to 125°C
  • These are Pb-Free Devices

Applications

  • Post Regulator for Switching DC−DC Converter
  • High Efficiency Linear Regulators
  • Battery Chargers
  • Portable Instrumentation
  • Active SCSI Termination Regulation /C0109F1

2 Output

/C0109F 3Input LM1117 XTXX++ Figure 1. Fixed Figure 2. Adjustable

3 LM1117

Figure 3. Active SCSI Bus Terminator Heatsink tab is connected to Pin 2. dimensions section on page 11 of this data sheet.

ORDERING INFORMATION

See general marking information in the device marking section on page 11 of this data sheet. DEVICE MARKING INFORMATION 1 23 Tab PIN CONFIGURATION SOT−223 (Top View) www.onsemi.com www.onsemi.jp

www.onsemi.com MAXIMUM RATINGS Rating Symbol Value Unit Input Voltage (Note 1) Vin 20 V Output Short Circuit Duration (Notes 2 and 3) − Infinite − Power Dissipation and Thermal Characteristics Case 318H (SOT−223) Power Dissipation (Note 2) Thermal Resistance, Junction−to−Ambient, Minimum Size Pad Thermal Resistance, Junction−to−Case PD R/C0113JA R/C0113JC Internally Limited 160 W °C/W °C/W Maximum Die Junction Temperature Range TJ −55 to 150 °C Storage Temperature Range Tstg −65 to 150 °C Operating Ambient Temperature Range TA 0 to +125 °C Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 1. This device series contains ESD protection and exceeds the following tests: Human Body Model (HBM), Class 2, 2000 V Machine Model (MM), Class B, 200 V Charge Device Model (CDM), Class IV, 2000 V. 2. Internal thermal shutdown protection limits the die temperature to approximately 175°C. Proper heatsinking is required to prevent activation. The maximum package power dissipation is: PD /C0043 TJ(max) /C0042TA R/C0113JA 3. The regulator output current must not exceed 1.0 A with V in greater than 12 V.

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ELECTRICAL CHARACTERISTICS

(Cin = 10 /C0109F, Cout = 10 /C0109F, for typical value TA = 25°C, for min and max values TA is the operating ambient temperature range that applies unless otherwise noted.) (Note 4) Characteristic Symbol Min Typ Max Unit Reference Voltage, Adjustable Output Devices (Vin–Vout = 2.0 V, Iout = 10 mA, TA = 25°C) (Vin–Vout = 1.4 V to 10 V, Iout = 10 mA to 800 mA) (Note 4) Vref 1.238 1.225 1.25 1.262 1.270 V Output Voltage, Fixed Output Devices 1.8 V (V in = 3.8 V, Iout = 10 mA, TA = 25 °C) (Vin = 3.2 V to 11.8 V, Iout = 0 mA to 800 mA) (Note 4) 2.5 V (V in = 4.5 V, Iout = 10 mA, TA = 25 °C) (Vin = 3.9 V to 10 V, Iout = 0 mA to 800 mA,) (Note 4) 3.3 V (V in = 5.3 V, Iout = 10 mA, TA = 25 °C) (Vin = 4.75 V to 10 V, Iout = 0 mA to 800 mA) (Note 4) 5.0 V (V in = 7.0 V, Iout = 10 mA, TA = 25 °C) (Vin = 6.5 V to 12 V, Iout = 0 mA to 800 mA) (Note 4) Vout 1.782 1.755 2.475 2.450 3.267 3.235 4.950 4.900 1.800 2.500 3.300 5.000 1.818 1.845 2.525 2.550 3.333 3.365 5.050 5.100 V Line Regulation (Note 5) Adjustable (V in = 2.75 V to 16.25 V, Iout = 10 mA) Regline − 0.04 0.1 % 1.8 V (V in = 3.2 V to 11.8 V, Iout = 0 mA) 2.5 V (V in = 3.9 V to 10 V, Iout = 0 mA) 3.3 V (V in = 4.75 V to 15 V, Iout = 0 mA) 5.0 V (V in = 6.5 V to 15 V, Iout = 0 mA) 0.4 0.5 0.8 0.9 1.0 2.5 4.5 6.0 mV Load Regulation (Note 5) Adjustable (I out = 10 mA to 800 mA, Vin = 4.25 V) Regline − 0.2 0.4 % 1.8 V (I out = 0 mA to 800 mA, Vin = 3.2 V) 2.5 V (I out = 0 mA to 800 mA, Vin = 3.9 V) 3.3 V (I out = 0 mA to 800 mA, Vin = 4.75 V) 5.0 V (I out = 0 mA to 800 mA, Vin = 6.5 V) 2.6 3.3 4.3 6.7 6.0 7.5 mV Dropout Voltage (Measured at Vout − 100 mV) (Iout = 100 mA) (Iout = 500 mA) (Iout = 800 mA) Vin−Vout 0.95 1.01 1.07 1.10 1.15 1.20 V Output Current Limit (Vin−Vout = 5.0 V, TA = 25°C, Note 6) Iout 1000 1500 2200 mA Minimum Required Load Current for Regulation, Adjustable Output Devices (Vin = 15 V) IL(min) − 0.8 5.0 mA Quiescent Current 1.8 V (V in = 11.8 V)

2.5 V (V in = 10 V)

3.3 V (V in = 15 V)

5.0 V (V in = 15 V)

4.2 5.2 6.0 6.0 mA Thermal Regulation (TA = 25°C, 30 ms Pulse) − 0.01 0.1 %/W Ripple Rejection (Vin−Vout = 6.4 V, Iout = 500 mA, 10 Vpp 120 Hz Sinewave) Adjustable 1.8 V 2.5 V 3.3 V 5.0 V RR dB Adjustment Pin Current (Vin = 11.25 V, Iout = 800 mA) Iadj − 52 120 /C0109A Adjust Pin Current Change (Vin−Vout = 1.4 V to 10 V, Iout = 10 mA to 800 mA) /C0068Iadj − 0.4 5.0 /C0109A Temperature Stability ST − 0.5 − % Long Term Stability (TA = 25°C, 1000 Hrs End Point Measurement) St − 0.3 − % RMS Output Noise (f = 10 Hz to 10 kHz) N − 0.003 − %Vout Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. 4. LM1117: T low = 0°C , T high = 125°C 5. Low duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible. 6. The regulator output current must not exceed 1.0 A with V in greater than 12 V.

adjustable output regulators are shown in Figures 23 and 24. depending upon the output voltage. capacitor should be adequate for most applications. Figure 23. Fixed Output Regulator

2 Output3Input LM1117

the additional benefit of reducing output noise. Figure 24. Adjustable Output Regulator is obtainable with the adjust pin properly bypassed.

50 /C0109F, it becomes possible for device damage to occur. it can withstand a peak surge current of about 150 mA. adj is greater than 1.0 /C0109F. Figure 25. Protection Diode Placement appearing in series with reference voltage that is across R1. drop caused by wiring resistance RW −. Figure 26. Load Sensing adjacent heat sources, and air flow.

Figure 27. Constant Current Regulator Figure 28. Slow Turn −On Regulator Figure 29. Regulator with Shutdown Figure 30. Digitally Controlled Regulator Figure 31. Battery Backed−Up Power Supply Figure 32. Adjusting Output of Fixed transistor reduces the output voltage when turned on.

5.3 V AC Line

5.0 V Battery

5.0 V to

www.onsemi.com Device Nominal Output Voltage Package Shipping† LM1117MPX−ADJNOPB Adjustable SOT−223 (Pb−Free) 4000 / Tape & Reel LM1117MPX−18NOPB 1.8 SOT−223 (Pb−Free) 4000 / Tape & Reel LM1117MPX−25NOPB 2.5 SOT−223 (Pb−Free) 4000 / Tape & Reel LM1117MPX−33NOPB 3.3 SOT−223 (Pb−Free) 4000 / Tape & Reel LM1117MPX−50NOPB 5.0 SOT−223 (Pb−Free) 4000 / Tape & Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. AYW 117−A /C0071 /C0071 SOT−223 CASE 318H A = Assembly Location Y = Year W = Work Week /C0071 = Pb−Free Package MARKING DIAGRAMS Adjustable 1.8 V 2.5 V 3.3 V 5.0 V (Note: Microdot may be in either location) AYW 17−18 /C0071 /C0071 1 23 AYW 17−25 /C0071 /C0071 1 23 AYW 17−33 /C0071 /C0071 1 23 AYW 117−5 /C0071 /C0071 1 23

www.onsemi.com PACKAGE DIMENSIONS SOT−223 CASE 318H ISSUE B

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