NCP1117, NCV1117 1.0 A Low−Dropout Positive Fixed and Adjustable Voltage Regulators The NCP1117 series are low dropout positive voltage regulators that are capable of providing an output current that is in excess of 1.0 A with a maximum dropout voltage of 1.2 V at 800 mA over temperature. This series contains nine fixed output voltages of 1.5 V, 1.8 V, 1.9 V, 2.0 V, 2.5 V, 2.85 V, 3.3 V, 5.0 V, and 12 V that have no minimum load requirement to maintain regulation. Also included is an adjustable output version that can be programmed from 1.25 V to 18.8 V with two external resistors. On chip trimming adjusts the reference/output voltage to within ±1.0% accuracy. Internal protection features consist of output current limiting, safe operating area compensation, and thermal shutdown. The NCP1117 series can operate with up to 20 V input. Devices are available in SOT−223 and DPAK packages. http://onsemi.com Tab 1 123 3 (Top View) Pin: 1. Adjust/Ground 2. Output 3. Input Heatsink tab is connected to Pin 2. Features Tab • Output Current in Excess of 1.0 A • 1.2 V Maximum Dropout Voltage at 800 mA Over Temperature • Fixed Output Voltages of 1.5 V, 1.8 V, 1.9 V, 2.0 V, 2.5 V, 2.85 V, • • • • • • • SOT−223 ST SUFFIX CASE 318H 1 2 1 3 (Top View) 3 3.3 V, 5.0 V, and 12 V Adjustable Output Voltage Option No Minimum Load Requirement for Fixed Voltage Output Devices Reference/Output Voltage Trimmed to ±1.0% Current Limit, Safe Operating and Thermal Shutdown Protection Operation to 20 V Input NCV Prefix for Automotive and Other Applications Requiring Site and Control Changes Pb−Free Packages are Available DPAK DT SUFFIX CASE 369C ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on pages 11 and 12 of this data sheet. DEVICE MARKING INFORMATION See general marking information in the device marking section on page 14 of this data sheet. Applications • • • • • Consumer and Industrial Equipment Point of Regulation Active SCSI Termination for 2.85 V Version Switching Power Supply Post Regulation Hard Drive Controllers Battery Chargers TYPICAL APPLICATIONS 110 W Input 10 mF 3 + NCP1117 XTXX Input 3 10 mF + 2 Output + 10 1 © Semiconductor Components Industries, LLC, 2007 3 2 Output 10 mF + 10 1 mF 4.75 V to 5.25 V mF Figure 1. Fixed Output Regulator January, 2007 − Rev. 17 NCP1117 XTA Figure 2. Adjustable Output Regulator + + NCP1117 XT285 1 110 W 2 + 22 mF 110 W 18 to 27 Lines 110 W Figure 3. Active SCSI Bus Terminator 1 Publication Order Number: NCP1117/D NCP1117, NCV1117 MAXIMUM RATINGS Rating Symbol Value Unit Vin 20 V − Infinite − PD RqJA RqJC Internally Limited 160 15 W °C/W °C/W PD RqJA RqJC Internally Limited 67 6.0 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 NCP1117 NCV1117 TA Input Voltage (Note 1) Output Short Circuit Duration (Notes 2 and 3) 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 Case 369A (DPAK) Power Dissipation (Note 2) Thermal Resistance, Junction−to−Ambient, Minimum Size Pad Thermal Resistance, Junction−to−Case °C 0 to +125 −40 to +125 Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. This device series contains ESD protection and exceeds the following tests: Human Body Model 2000 V per MIL−STD−883, Method 3015. Machine Model Method 200 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: TJ(max) * TA PD + RqJA 3. The regulator output current must not exceed 1.0 A with Vin greater than 12 V. http://onsemi.com 2 NCP1117, NCV1117 ELECTRICAL CHARACTERISTICS (Cin = 10 mF, Cout = 10 mF, 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 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 Output Voltage, Fixed Output Devices 1.5 V (Vin = 3.5 V, Iout = 10 mA, TA = 25 °C) (Vin = 2.9 V to 11.5 V, Iout = 0 mA to 800 mA) (Note 4) Vout Min Typ Max 1.238 1.225 1.25 − 1.262 1.270 1.485 1.470 1.500 − 1.515 1.530 Unit V V 1.8 V (Vin = 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) 1.782 1.755 1.800 − 1.818 1.845 1.9 V (Vin = 3.9 V, Iout = 10 mA, TA = 25 °C) (Vin = 3.3 V to 11.9 V, Iout = 0 mA to 800 mA) (Note 4) 1.872 1.862 1.900 1.900 1.929 1.938 2.0 V (Vin = 4.0 V, Iout = 10 mA, TA = 25 °C) (Vin = 3.4 V to 12 V, Iout = 0 mA to 800 mA) (Note 4) 1.970 1.960 2.000 − 2.030 2.040 2.5 V (Vin = 4.5 V, Iout = 10 mA, TA = 25 °C) (Vin = 3.9 V to 10 V, Iout = 0 mA to 800 mA,) (Note 4) 2.475 2.450 2.500 − 2.525 2.550 2.85 V (Vin = 4.85 V, Iout = 10 mA, TA = 25 °C) (Vin = 4.25 V to 10 V, Iout = 0 mA to 800 mA) (Note 4) (Vin = 4.0 V, Iout = 0 mA to 500 mA) (Note 5) 2.821 2.790 2.790 2.850 − − 2.879 2.910 2.910 3.3 V (Vin = 5.3 V, Iout = 10 mA, TA = 25 °C) (Vin = 4.75 V to 10 V, Iout = 0 mA to 800 mA) (Note 4) 3.267 3.235 3.300 − 3.333 3.365 5.0 V (Vin = 7.0 V, Iout = 10 mA, TA = 25 °C) (Vin = 6.5 V to 12 V, Iout = 0 mA to 800 mA) (Note 4) 4.950 4.900 5.000 − 5.050 5.100 12 V (Vin = 14 V, Iout = 10 mA, TA = 25 °C) (Vin = 13.5 V to 20 V, Iout = 0 mA to 800 mA) (Note 4) 11.880 11.760 12.000 − 12.120 12.240 − 0.04 0.1 % − − − − − − − − − 0.3 0.4 0.5 0.5 0.5 0.8 0.8 0.9 1.0 1.0 1.0 2.5 2.5 2.5 3.0 4.5 6.0 7.5 mV − 0.2 0.4 % − − − − − − − − − 2.3 2.6 2.7 3.0 3.3 3.8 4.3 6.7 16 5.5 6.0 6.0 6.0 7.5 8.0 10 15 28 mV Line Regulation (Note 5) 1.5 V 1.8 V 1.9 V 2.0 V 2.5 V 2.85 V 3.3 V 5.0 V 12 V Load Regulation (Note 5) 1.5 V 1.8 V 1.9 V 2.0 V 2.5 V 2.85 V 3.3 V 5.0 V 12 V Adjustable (Vin = 2.75 V to 16.25 V, Iout = 10 mA) Regline (Vin = 2.9 V to 11.5 V, Iout = 0 mA) (Vin = 3.2 V to 11.8 V, Iout = 0 mA) (Vin = 3.3 V to 11.9 V, Iout = 0 mA) (Vin = 3.4 V to 12 V, Iout = 0 mA) (Vin = 3.9 V to 10 V, Iout = 0 mA) (Vin = 4.25 V to 10 V, Iout = 0 mA) (Vin = 4.75 V to 15 V, Iout = 0 mA) (Vin = 6.5 V to 15 V, Iout = 0 mA) (Vin = 13.5 V to 20 V, Iout = 0 mA) Adjustable (Iout = 10 mA to 800 mA, Vin = 4.25 V) (Iout = 0 mA to 800 mA, Vin = 2.9 V) (Iout = 0 mA to 800 mA, Vin = 3.2 V) (Iout = 0 mA to 800 mA, Vin = 3.3 V) (Iout = 0 mA to 800 mA, Vin = 3.4 V) (Iout = 0 mA to 800 mA, Vin = 3.9 V) (Iout = 0 mA to 800 mA, Vin = 4.25 V) (Iout = 0 mA to 800 mA, Vin = 4.75 V) (Iout = 0 mA to 800 mA, Vin = 6.5 V) (Iout = 0 mA to 800 mA, Vin = 13.5 V) Regline 4. The regulator output current must not exceed 1.0 A with Vin greater than 12 V. 5. Low duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible. http://onsemi.com 3 NCP1117, NCV1117 ELECTRICAL CHARACTERISTICS (Cin = 10 mF, Cout = 10 mF, for typical value TA = 25°C, for min and max values TA is the operating ambient temperature range that applies unless otherwise noted. (Note 6) Characteristic Symbol Dropout Voltage (Measured at Vout − 100 mV) (Iout = 100 mA) (Iout = 500 mA) (Iout = 800 mA) Typ Max − − − 0.95 1.01 1.07 1.10 1.15 1.20 Iout 1000 1500 2200 mA IL(min) − 0.8 5.0 mA − − − − − − − − − 3.6 4.2 4.3 4.5 5.2 5.5 6.0 6.0 6.0 10 10 10 10 10 10 10 10 10 − 0.01 0.1 67 66 66 66 64 62 62 60 57 50 73 72 70 72 70 68 68 64 61 54 − − − − − − − − − − Vin−Vout Output Current Limit (Vin−Vout = 5.0 V, TA = 25°C, Note 6) Minimum Required Load Current for Regulation, Adjustable Output Devices (Vin = 15 V) Quiescent Current 1.5 V 1.8 V 1.9 V 2.0 V 2.5 V 2.85 V 3.3 V 5.0 V 12 V Min V IQ (Vin = 11.5 V) (Vin = 11.8 V) (Vin = 11.9 V) (Vin = 12 V) (Vin = 10 V) (Vin = 10 V) (Vin = 15 V) (Vin = 15 V) (Vin = 20 V) Thermal Regulation (TA = 25°C, 30 ms Pulse) Unit mA %/W Ripple Rejection (Vin−Vout = 6.4 V, Iout = 500 mA, 10 Vpp 120 Hz Sinewave) Adjustable 1.5 V 1.8 V 1.9 V 2.0 V 2.5 V 2.85 V 3.3 V 5.0 V 12 V RR Adjustment Pin Current (Vin = 11.25 V, Iout = 800 mA) Iadj − 52 120 mA DIadj − 0.4 5.0 mA 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 Adjust Pin Current Change (Vin−Vout = 1.4 V to 10 V, Iout = 10 mA to 800 mA) 6. NCP1117: Tlow = 0°C , Thigh = 125°C NCV1117: Tlow = −40°C, Thigh = 125°C http://onsemi.com 4 dB 1.4 2.0 Vin = Vout + 3.0 V Iout = 10 mA 1.5 Vin − Vout, DROPOUT VOLTAGE (V) Vout, OUTPUT VOLTAGE CHANGE (%) NCP1117, NCV1117 Adj, 1.5 V, 1.8 V, 2.0 V, 2.5 V 1.0 0.5 0 −0.5 2.85 V, 3.3 V, 5.0 V, 12.0 V −1.0 −1.5 −2.0 −50 −25 0 25 50 75 100 TJ = −40°C 1.0 0.8 TJ = 125°C 0.6 0.4 0.2 Load pulsed at 1.0% duty cycle 0 150 125 TJ = 25°C 1.2 0 200 400 600 800 TA, AMBIENT TEMPERATURE (°C) Iout, OUTPUT CURRENT (mA) Figure 4. Output Voltage Change vs. Temperature Figure 5. Dropout Voltage vs. Output Current 1000 2.0 2.0 Iout, OUTPUT CURRENT (A) Iout, OUTPUT CURRENT (A) TJ = 25°C 1.5 1.0 0.5 1.8 1.6 1.4 1.2 Vin = 5.0 V Load pulsed at 1.0% duty cycle Load pulsed at 1.0% duty cycle 0 2 4 6 8 10 12 14 16 18 1.0 −50 20 0 25 50 75 100 125 TA, AMBIENT TEMPERATURE (°C) Figure 6. Output Short Circuit Current vs. Differential Voltage Figure 7. Output Short Circuit Current vs. Temperature 100 Iadj, ADJUST PIN CURRENT (mA) −25 Vin − Vout, VOLTAGE DIFFERENTIAL (V) IQ, QUIESCENT CURRENT CHANGE (%) 0 80 60 150 10 5.0 0 −5.0 40 20 0 −50 Iout = 10 mA −25 0 25 50 75 100 125 150 −10 −15 −20 −50 −25 0 25 50 75 100 125 TA, AMBIENT TEMPERATURE (°C) TA, AMBIENT TEMPERATURE (°C) Figure 8. Adjust Pin Current vs. Temperature Figure 9. Quiescent Current Change vs. Temperature http://onsemi.com 5 150 NCP1117, NCV1117 100 fripple = 120 Hz Vripple v 3.0 VP−P 80 60 RR, RIPPLE REJECTION (dB) RR, RIPPLE REJECTION (dB) 100 fripple = 20 kHz Vripple v 0.5 VP−P 40 Vout = 5.0 V Vin − Vout = 3.0 V Cout = 10 mF Cadj = 25 mF TA = 25°C 20 0 Vin − Vout w 3.0 V 80 60 Vout = 5.0 V Vin − Vout = 3.0 V Iout = 0.5 A Cout = 10 mF Cadj = 25 mF, f > 60 Hz Cadj = 200 mF, f v 60 Hz TA = 25°C 40 20 400 600 800 1000 Vin − Vout w Vdropout 100 1.0 k 10 k 100 k fripple, RIPPLE FREQUENCY (Hz) Figure 10. NCP1117XTA Ripple Rejection vs. Output Current Figure 11. NCP1117XTA Ripple Rejection vs. Frequency OUTPUT VOLTAGE DEVIATION (V) Iout, OUTPUT CURRENT (mA) Cin = 1.0 mF Cout = 10 mF Iout = 0.1 A TA = 25°C 5.25 0.1 0 20 0 −20 80 120 160 0 200 0 40 80 120 160 t, TIME (ms) Figure 12. NCP1117XT285 Line Transient Response Figure 13. NCP1117XT285 Load Transient Response Cin = 1.0 mF Cout = 10 mF Iout = 0.1 A TA = 25°C 7.5 6.5 20 0 −20 40 0.5 t, TIME (ms) OUTPUT VOLTAGE DEVIATION (V) 40 Cin = 10 mF Cout = 10 mF Vin = 4.5 V Preload = 0.1 A TA = 25°C −0.1 LOAD CURRENT CHANGE (A) 4.25 0 10 LOAD CURRENT CHANGE (A) INPUT VOLTAGE (V) OUTPUT VOLTAGE DEVIATION (mV) 200 0 INPUT VOLTAGE (V) Vripple v 0.5 VP−P 0 0 OUTPUT VOLTAGE DEVIATION (mV) Vripple v 3.0 VP−P 80 120 160 200 0.1 0 Cin = 10 mF Cout = 10 mF Vin = 6.5 V Preload = 0.1 A TA = 25°C −0.1 0.5 0 0 t, TIME (ms) 40 80 120 160 t, TIME (ms) Figure 14. NCP1117XT50 Line Transient Response Figure 15. NCP1117XT50 Load Transient Response http://onsemi.com 6 200 200 OUTPUT VOLTAGE DEVIATION (V) Cin = 1.0 mF Cout = 10 mF Iout = 0.1 A TA = 25°C 14.5 LOAD CURRENT CHANGE (A) 13.5 20 0 −20 120 160 0 Cin = 10 mF Cout = 10 mF Vin = 13.5 V Preload = 0.1 A TA = 25°C −0.1 0.5 200 0 0 40 80 t, TIME (ms) Figure 17. NCP1117XT12 Load Transient Response 180 1.6 160 1.4 PD(max) for TA = 50°C 140 ÎÎÎ ÎÎÎ ÎÎÎ 2.0 oz. Copper L Minimum Size Pad L 100 80 1.2 1.0 0.8 0.6 RqJA 60 0 5.0 10 15 20 25 L, LENGTH OF COPPER (mm) 0.4 30 Figure 18. SOT−223 Thermal Resistance and Maximum Power Dissipation vs. P.C.B. Copper Length 1.6 100 PD(max) for TA = 50°C 1.4 90 ÎÎÎÎ ÎÎÎÎ ÎÎÎÎ ÎÎÎÎ 2.0 oz. Copper L 80 Minimum Size Pad 70 1.2 1.0 L 0.8 60 50 0.6 RqJA 40 0 160 t, TIME (ms) Figure 16. NCP1117XT12 Line Transient Response 120 120 PD, MAXIMUM POWER DISSIPATION (W) 80 0.1 5.0 10 15 20 25 0.4 30 L, LENGTH OF COPPER (mm) Figure 19. DPAK Thermal Resistance and Maximum Power Dissipation vs. P.C.B. Copper Length http://onsemi.com 7 PD, MAXIMUM POWER DISSIPATION (W) 40 RqJA, THERMAL RESISTANCE, JUNCTION−TO−AIR (°CW) 0 RqJA, THERMAL RESISTANCE, JUNCTION−TO−AIR (°CW) OUTPUT VOLTAGE DEVIATION (mV) INPUT VOLTAGE (V) NCP1117, NCV1117 200 NCP1117, NCV1117 APPLICATIONS INFORMATION Introduction Frequency compensation for the regulator is provided by capacitor Cout and its use is mandatory to ensure output stability. A minimum capacitance value of 4.7 mF with an equivalent series resistance (ESR) that is within the limits of 0.25 W to 2.2 W is required. The capacitor type can be ceramic, tantalum, or aluminum electrolytic as long as it meets the minimum capacitance value and ESR limits over the circuit’s entire operating temperature range. Higher values of output capacitance can be used to enhance loop stability and transient response with the additional benefit of reducing output noise. The NCP1117 features a significant reduction in dropout voltage along with enhanced output voltage accuracy and temperature stability when compared to older industry standard three−terminal adjustable regulators. These devices contain output current limiting, safe operating area compensation and thermal shutdown protection making them designer friendly for powering numerous consumer and industrial products. The NCP1117 series is pin compatible with the older LM317 and its derivative device types. Output Voltage Input The typical application circuits for the fixed and adjustable output regulators are shown in Figures 20 and 21. The adjustable devices are floating voltage regulators. They develop and maintain the nominal 1.25 V reference voltage between the output and adjust pins. The reference voltage is programmed to a constant current source by resistor R1, and this current flows through R2 to ground to set the output voltage. The programmed current level is usually selected to be greater than the specified 5.0 mA minimum that is required for regulation. Since the adjust pin current, Iadj, is significantly lower and constant with respect to the programmed load current, it generates a small output voltage error that can usually be ignored. For the fixed output devices R1 and R2 are included within the device and the ground current Ignd, ranges from 3.0 mA to 5.0 mA depending upon the output voltage. Cin Cin + NCP1117 XTXX 1 + R1 Vref 1 + ǒ + Cout Cadj Ǔ Vout + Vref 1 ) R2 ) Iadj R2 R1 Figure 21. Adjustable Output Regulator The output ripple will increase linearly for fixed and adjustable devices as the ratio of output voltage to the reference voltage increases. For example, with a 12 V regulator, the output ripple will increase by 12 V/1.25 V or 9.6 and the ripple rejection will decrease by 20 log of this ratio or 19.6 dB. The loss of ripple rejection can be restored to the values shown with the addition of bypass capacitor Cadj, shown in Figure 21. The reactance of Cadj at the ripple frequency must be less than the resistance of R1. The value of R1 can be selected to provide the minimum required load current to maintain regulation and is usually in the range of 100 W to 200 W. Cadj u 1 2 p fripple R1 The minimum required capacitance can be calculated from the above formula. When using the device in an application that is powered from the AC line via a transformer and a full wave bridge, the value for Cadj is: Output 2 Output 2 R2 Input bypass capacitor Cin may be required for regulator stability if the device is located more than a few inches from the power source. This capacitor will reduce the circuit’s sensitivity when powered from a complex source impedance and significantly enhance the output transient response. The input bypass capacitor should be mounted with the shortest possible track length directly across the regulator’s input and ground terminals. A 10 mF ceramic or tantalum capacitor should be adequate for most applications. 3 + NCP1117 XTA Iadj External Capacitors Input 3 fripple + 120 Hz, R1 + 120 W, then Cadj u 11.1 mF The value for Cadj is significantly reduced in applications where the input ripple frequency is high. If used as a post regulator in a switching converter under the following conditions: Cout Ignd fripple + 50 kHz, R1 + 120 W, then Cadj u 0.027 mF Figure 20. Fixed Output Regulator Figures 10 and 11 shows the level of ripple rejection that is obtainable with the adjust pin properly bypassed. http://onsemi.com 8 NCP1117, NCV1117 Protection Diodes The second condition is that the ground end of R2 should be connected directly to the load. This allows true Kelvin sensing where the regulator compensates for the voltage drop caused by wiring resistance RW −. The NCP1117 family has two internal low impedance diode paths that normally do not require protection when used in the typical regulator applications. The first path connects between Vout and Vin, and it can withstand a peak surge current of about 15 A. Normal cycling of Vin cannot generate a current surge of this magnitude. Only when Vin is shorted or crowbarred to ground and Cout is greater than 50 mF, it becomes possible for device damage to occur. Under these conditions, diode D1 is required to protect the device. The second path connects between Cadj and Vout, and it can withstand a peak surge current of about 150 mA. Protection diode D2 is required if the output is shorted or crowbarred to ground and Cadj is greater than 1.0 mF. Input Cin 3 + NCP1117 XTA RW+ 2 + R1 1 Cout Output Remote Load R2 RW− Figure 23. Load Sensing D1 Thermal Considerations 1N4001 Input Cin 3 + NCP1117 XTA 1 R1 + R2 This series contains an internal thermal limiting circuit that is designed to protect the regulator in the event that the maximum junction temperature is exceeded. When activated, typically at 175°C, the regulator output switches off and then back on as the die cools. As a result, if the device is continuously operated in an overheated condition, the output will appear to be oscillating. This feature provides protection from a catastrophic device failure due to accidental overheating. It is not intended to be used as a substitute for proper heatsinking. The maximum device power dissipation can be calculated by: Output 2 D2 1N4001 + Cout Cadj Figure 22. Protection Diode Placement A combination of protection diodes D1 and D2 may be required in the event that Vin is shorted to ground and Cadj is greater than 50 mF. The peak current capability stated for the internal diodes are for a time of 100 ms with a junction temperature of 25°C. These values may vary and are to be used as a general guide. PD + TJ(max) * TA RqJA The devices are available in surface mount SOT−223 and DPAK packages. Each package has an exposed metal tab that is specifically designed to reduce the junction to air thermal resistance, RqJA, by utilizing the printed circuit board copper as a heat dissipater. Figures 18 and 19 show typical RqJA values that can be obtained from a square pattern using economical single sided 2.0 ounce copper board material. The final product thermal limits should be tested and quantified in order to insure acceptable performance and reliability. The actual RqJA can vary considerably from the graphs shown. This will be due to any changes made in the copper aspect ratio of the final layout, adjacent heat sources, and air flow. Load Regulation The NCP1117 series is capable of providing excellent load regulation; but since these are three terminal devices, only partial remote load sensing is possible. There are two conditions that must be met to achieve the maximum available load regulation performance. The first is that the top side of programming resistor R1 should be connected as close to the regulator case as practicable. This will minimize the voltage drop caused by wiring resistance RW + from appearing in series with reference voltage that is across R1. http://onsemi.com 9 NCP1117, NCV1117 Input NCP1117 XTA 3 + 10 mF Constant Current Output R 2 + 1 Input + 10 mF 10 mF NCP1117 XTA 3 Output 2 + R1 1 50 k R2 2N2907 Figure 25. Slow Turn−On Regulator Input 3 10 mF + NCP1117 XTA + Output 2 + R1 1 10 mF Output 2 + 10 120 1 NCP1117 XTA 3 10 mF Input 10 mF 10 mF V Iout + ref ) Iadj R Figure 24. Constant Current Regulator 1N4001 R2 mF 2N2222 360 1.0 k Output Control 2N2222 On 1.0 k Off Output Voltage Control Resistor R2 sets the maximum output voltage. Each transistor reduces the output voltage when turned on. Vout(Off) + Vref Figure 26. Regulator with Shutdown Input 3 10 mF + NCP1117 XT50 2 Figure 27. Digitally Controlled Regulator Output + 10 mF 1 50 W Input 5.3 V AC Line 5.0 V Battery RCHG 3 + 6.6 V − 10 mF + NCP1117 XT50 10 mF 2 3 + NCP1117 XT50 Output 5.0 V to 12 V + 10 2 mF 1 + 10 2.0 k 1 mF The 50 W resistor that is in series with the ground pin of the upper regulator level shifts its output 300 mV higher than the lower regulator. This keeps the lower regulator off until the input source is removed. Figure 28. Battery Backed−Up Power Supply Figure 29. Adjusting Output of Fixed Voltage Regulators http://onsemi.com 10 NCP1117, NCV1117 ORDERING INFORMATION Device Nominal Output Voltage Package NCP1117DTA DPAK NCP1117DTAG DPAK (Pb−Free) NCP1117DTARK DPAK (Pb−Free) Adjustable DPAK NCP1117DTAT5G DPAK (Pb−Free) NCP1117STAT3 SOT−223 NCP1117STAT3G SOT−223 (Pb−Free) NCP1117DT12 DPAK (Pb−Free) NCP1117DT12RK DPAK (Pb−Free) SOT−223 NCP1117ST12T3G SOT−223 (Pb−Free) NCP1117DT15 75 Units / Rail 2500 / Tape & Reel 4000 / Tape & Reel DPAK NCP1117DT15G DPAK (Pb−Free) NCP1117DT15RK 75 Units / Rail DPAK 1.5 DPAK (Pb−Free) NCP1117ST15T3 SOT−223 NCP1117ST15T3G SOT−223 (Pb−Free) NCP1117DT18 2500 / Tape & Reel 4000 / Tape & Reel DPAK NCP1117DT18G DPAK (Pb−Free) NCP1117DT18RK 75 Units / Rail DPAK NCP1117DT18RKG NCP1117DT18T5 4000 / Tape & Reel DPAK 12 NCP1117ST12T3 NCP1117DT15RKG 2500 / Tape & Reel DPAK NCP1117DT12G NCP1117DT12RKG 75 Units / Rail DPAK NCP1117DTARKG NCP1117DTAT5 Shipping† DPAK (Pb−Free) 1.8 DPAK 2500 / Tape & Reel NCP1117DT18T5G DPAK (Pb−Free) NCP1117ST18T3 SOT−223 NCP1117ST18T3G SOT−223 (Pb−Free) 4000 / Tape & Reel DPAK (Pb−Free) 2500 / Tape & Reel NCP1117DT19RKG 1.9 †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. *NCV prefix is for automotive and other applications requiring site and control changes. http://onsemi.com 11 NCP1117, NCV1117 ORDERING INFORMATION Device Nominal Output Voltage Package NCP1117DT20 DPAK NCP1117DT20G DPAK (Pb−Free) NCP1117DT20RK NCP1117DT20RKG DPAK (Pb−Free) SOT−223 NCP1117ST20T3G SOT−223 (Pb−Free) NCP1117DT25 DPAK (Pb−Free) NCP1117DT25RK 75 Units / Rail DPAK (Pb−Free) 2.5 DPAK NCP1117DT25T5G DPAK (Pb−Free) NCP1117ST25T3 SOT−223 NCP1117ST25T3G SOT−223 (Pb−Free) NCP1117DT285 2500 / Tape & Reel 4000 / Tape & Reel DPAK NCP1117DT285G DPAK (Pb−Free) NCP1117DT285RK 75 Units / Rail DPAK 2.85 DPAK (Pb−Free) NCP1117ST285T3 SOT−223 NCP1117ST285T3G SOT−223 (Pb−Free) NCP1117DT33 2500 / Tape & Reel 4000 / Tape & Reel DPAK NCP1117DT33G DPAK (Pb−Free) NCP1117DT33RK 75 Units / Rail DPAK NCP1117DT33RKG DPAK (Pb−Free) 3.3 DPAK NCP1117DT33T5G DPAK (Pb−Free) NCP1117ST33T3 SOT−223 NCP1117ST33T3G SOT−223 (Pb−Free) NCP1117DT50 2500 / Tape & Reel 4000 / Tape & Reel DPAK NCP1117DT50G DPAK (Pb−Free) NCP1117DT50RK NCP1117DT50RKG 4000 / Tape & Reel DPAK NCP1117DT25RKG NCP1117DT33T5 2500 / Tape & Reel DPAK NCP1117DT25G NCP1117DT285RKG 75 Units / Rail DPAK 2.0 NCP1117ST20T3 NCP1117DT25T5 Shipping† 75 Units / Rail DPAK 5.0 DPAK (Pb−Free) NCP1117ST50T3 SOT−223 NCP1117ST50T3G SOT−223 (Pb−Free) 2500 / Tape & Reel 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. *NCV prefix is for automotive and other applications requiring site and control changes. http://onsemi.com 12 NCP1117, NCV1117 ORDERING INFORMATION Device Nominal Output Voltage Package NCV1117DTARK* DPAK NCV1117DTARKG* NCV1117STAT3* DPAK (Pb−Free) Adjustable SOT−223 (Pb−Free) NCV1117ST12T3* SOT−223 12 DPAK NCV1117DT15RKG* DPAK (Pb−Free) 1.5 SOT−223 (Pb−Free) NCV1117DT18RKG* DPAK (Pb−Free) DPAK (Pb−Free) NCV1117DT20RK* DPAK NCV1117DT20RKG* 2.0 SOT−223 SOT−223 (Pb−Free) NCV1117DT25RK* DPAK NCV1117DT25RKG* DPAK (Pb−Free) 2.5 SOT−223 (Pb−Free) NCV1117DT33T5* DPAK (Pb−Free) 4000 / Tape & Reel 2500 / Tape & Reel SOT−223 3.3 SOT−223 (Pb−Free) NCV1117DT50RK* NCV1117DT50RKG* 2500 / Tape & Reel DPAK 3.3 NCV1117ST33T3* NCV1117ST33T3G* 4000 / Tape & Reel SOT−223 NCV1117ST25T3G* NCV1117DT33T5G* 2500 / Tape & Reel DPAK (Pb−Free) NCV1117ST20T3G* NCV1117ST25T3* 4000 / Tape & Reel DPAK 1.8 NCV1117DT18T5G* NCV1117ST20T3* 2500 / Tape & Reel SOT−223 NCV1117ST15T3G* NCV1117DT18T5* 4000 / Tape & Reel SOT−223 (Pb−Free) NCV1117DT15RK* NCV1117ST15T3* 2500 / Tape & Reel SOT−223 NCV1117STAT3G* NCV1117ST12T3G* Shipping† 4000 / Tape & Reel DPAK 5.0 DPAK (Pb−Free) 2500 / 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. *NCV prefix is for automotive and other applications requiring site and control changes. http://onsemi.com 13 NCP1117, NCV1117 MARKING DIAGRAMS − NCP PREFIX SOT−223 ST SUFFIX CASE 318H AYW 117−A G G 1 2 AYW 17−15 G G 3 1 2 AYW 17−19 G G AYW 17−18 G G 3 1 2 1 3 2 3 1.5 V 1.8 V 1.9 V AYW 7−285 G G AYW 17−33 G G AYW 117−5 G G Adjustable 2 1 3 2 1 2.85 V 3 AYW 117−2 G G 2 1 3.3 V 1 2 AYW 17−25 G G 3 1 2 2.0 V 2.5 V AYW 17−12 G G 3 2 1 3 5.0 V 12 V 17−19G ALYWW 117−2G ALYWW DPAK DT SUFFIX CASE 369C 117AJG ALYWW 17−15G ALYWW 2 1 17−18G ALYWW 2 3 Adjustable 2 2 1 3 1 2 1 3 17−25G ALYWW 3 2 1 3 1 1.5 V 1.8 V 1.9 V 2.0 V 17285G ALYWW 17−33G ALYWW 117−5G ALYWW 17−12G ALYWW 2 1 2 3 2.85 V 1 2 3 1 3.3 V 5.0 V A = Assembly Location L = Wafer Lot Y = Year WW, W = Work Week G or G = Pb−Free Package (Note: Microdot may be in either location) http://onsemi.com 14 2.5 V 2 3 1 3 12 V 3 3 NCP1117, NCV1117 MARKING DIAGRAMS − NCV PREFIX SOT−223 ST SUFFIX CASE 318H AYW 117AV G G 1 2 AYW 1715V G G 1 3 2 Adjustable 2 3 1 1.5 V 2 1 3 2.5 V 2 3 2.0 V AYW 1712V G G AYW 1733V G G AYW 1725V G G 1 AYW 1172V G G 3 2 1 3.3 V 3 12 V DPAK DT SUFFIX CASE 369C 17AJVG ALYWW 1715VG ALYWW 2 1 1718VG ALYWW 2 3 2 1 Adjustable 3 1 1.5 V 1725VG ALYWW 1 1733VG ALYWW 1 1175VG ALYWW 2 3 3.3 V A = Assembly Location L = Wafer Lot Y = Year WW, W = Work Week G or G = Pb−Free Package (Note: Microdot may be in either location) http://onsemi.com 15 3 2.0 V 2 3 2.5 V 2 3 1.8 V 2 1 1172VG ALYWW 1 3 5.0 V NCP1117, NCV1117 PACKAGE DIMENSIONS SOT−223 ST SUFFIX CASE 318H−01 ISSUE O 0.08 E 0.2 C B M S C B S H e M 0.1 A B 0.1 M C A S B S A e1 b D 2 4 b2 S 3 A C A B 1 E1 A1 A B ÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉ ÇÇÇÇÇÇ ÉÉ ÉÉ ÇÇ (b) (b2) T c1 c b1 b3 SECTION B−B SECTION A−A L NOTES: 1. DIMENSIONS ARE IN MILLIMETERS. 2. INTERPRET DIMENSIONS AND TOLERANCES PER ASME Y14.5M, 1994. 3. DIMENSION E1 DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSION. INTERLEAD FLASH OR PROTRUSION SHALL NOT EXCEED 0.23 PER SIDE. 4. DIMENSIONS b AND b2 DO NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.08 TOTAL IN EXCESS OF THE b AND b2 DIMENSIONS AT MAXIMUM MATERIAL CONDITION. 5. TERMINAL NUMBERS ARE SHOWN FOR REFERENCE ONLY. 6. DIMENSIONS D AND E1 ARE TO BE DETERMINED AT DATUM PLANE H. DIM A A1 b b1 b2 b3 c c1 D E E1 e e1 L T SOLDERING FOOTPRINT* 3.8 0.15 2.0 0.079 2.3 0.091 2.3 0.091 6.3 0.248 2.0 0.079 1.5 0.059 SCALE 6:1 mm Ǔ ǒinches *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. http://onsemi.com 16 MILLIMETERS MIN MAX −−− 1.80 0.02 0.11 0.60 0.88 0.60 0.80 2.90 3.10 2.90 3.05 0.24 0.35 0.24 0.30 6.30 6.70 6.70 7.30 3.30 3.70 2.30 4.60 −−− 0.25 0_ 10_ NCP1117, NCV1117 PACKAGE DIMENSIONS DPAK DT SUFFIX CASE 369C−01 ISSUE O C B V NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. SEATING PLANE −T− E R 4 Z A S 1 2 DIM A B C D E F G H J K L R S U V Z 3 U K F J L H D G 2 PL 0.13 (0.005) M T INCHES MIN MAX 0.235 0.245 0.250 0.265 0.086 0.094 0.027 0.035 0.018 0.023 0.037 0.045 0.180 BSC 0.034 0.040 0.018 0.023 0.102 0.114 0.090 BSC 0.180 0.215 0.025 0.040 0.020 −−− 0.035 0.050 0.155 −−− MILLIMETERS MIN MAX 5.97 6.22 6.35 6.73 2.19 2.38 0.69 0.88 0.46 0.58 0.94 1.14 4.58 BSC 0.87 1.01 0.46 0.58 2.60 2.89 2.29 BSC 4.57 5.45 0.63 1.01 0.51 −−− 0.89 1.27 3.93 −−− SOLDERING FOOTPRINT* 6.20 0.244 3.0 0.118 2.58 0.101 5.80 0.228 1.6 0.063 6.172 0.243 SCALE 3:1 mm Ǔ ǒinches *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada Email: [email protected] N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81−3−5773−3850 http://onsemi.com 17 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative NCP1117/D