CS8182 Micropower 200 mA Low Dropout Tracking Regulator/Line Driver http://onsemi.com 8 • 200 mA Source Capability Output Tracks within ±10 mV Worst Case Low Dropout (0.35 V Typ. @ 200 mA) Low Quiescent Current Thermal Shutdown Short Circuit Protection Wide Operating Range Internally Fused Leads in SO−8 Package For Automotive and Other Applications Requiring Site and Change Control These are Pb−Free Devices VIN VOUT 1 5 D2PAK−5 DPS SUFFIX CASE 936AC SO−8 DF SUFFIX CASE 751 5 DPAK−5 DT SUFFIX CASE 175AA PIN CONNECTIONS AND MARKING DIAGRAMS 1 VOUT GND GND Adj Features • • • • • • • • • 1 1 CS 8182 AWLYWWG 1 A WL, L Y WW, W G or G 8 8182 ALYW G The CS8182 is a monolithic integrated low dropout tracking regulator designed to provides an adjustable buffered output voltage that closely tracks (±10 mV) the reference input. The output delivers up to 200 mA while being able to be configured higher, lower or equal to the reference voltages. The device has been designed to operate over a wide range (2.8 V to 45 V) while still maintaining excellent DC characteristics. The CS8182 is protected from reverse battery, short circuit and thermal runaway conditions. The device also can withstand 45 V load dump transients and −50 V reverse polarity input voltage transients. This makes it suitable for use in automotive environments. The VREF/ENABLE lead serves two purposes. It is used to provide the input voltage as a reference for the output and it also can be pulled low to place the device in sleep mode where it nominally draws 30 mA from the supply. Tab GND Pin 1. VIN 2. VOUT 3. GND 4. Adj 5. VREF VIN GND GND VREF/ENABLE 8182G ALYWW 1 5 = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Device ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 9 of this data sheet. Current Limit & SAT Sense Adj − ENABLE + VREF/ENABLE + GND Thermal Shutdown − 2.0 V Figure 1. Block Diagram © Semiconductor Components Industries, LLC, 2012 September, 2012 − Rev. 27 1 Publication Order Number: CS8182/D CS8182 PACKAGE PIN DESCRIPTION Package Lead Number SO−8 D2PAK 5−PIN DPAK 5−PIN Lead Symbol 8 1 1 VIN 1 2 2 VOUT Regulated Output 2, 3, 6, 7 3 3 GND Ground 4 4 4 Adj 5 5 5 VREF/ENABLE Function Input Voltage Adjust Lead Reference Voltage and ENABLE Input MAXIMUM RATINGS Rating Value Unit −65 to +150 °C +150 °C −16 to 45 V 45 V −10 to +VIN V Package Thermal Resistance, SO−8: Junction−to−Case, RqJC Junction−to−Air, RqJA 25 80 °C/W °C/W Package Thermal Resistance, D2PAK Junction−to−Case, RqJC Junction−to−Air, RqJA 4.0 48 °C/W °C/W Package Thermal Resistance, DPAK Junction−to−Case, RqJC Junction−to−Air, RqJA 8.0 64 °C/W °C/W ESD Capability (Human Body Model) (Machine Model) 2.0 200 kV V 240 225 260 °C Storage Temperature Range Junction Temperature Supply Voltage Range (Continuous) Peak Transient Voltage (VIN = 14 V, Load Dump Transient = 31 V) Voltage Range (Adj, VOUT, VREF/ENABLE) Lead Temperature Soldering: (Note 1) (SO−8) (D2PAK) (DPAK) 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. 60 second maximum above 183°C. RECOMMENDED OPERATING RANGES Rating Junction Temperature, TJ Input Voltage, Continuous VIN http://onsemi.com 2 Value Unit −40 to+125 °C 3.4 to 45 V CS8182 ELECTRICAL CHARACTERISTICS (VIN = 14 V; VREF/ENABLE > 2.75 V; −40°C < TJ < +125°C; COUT ≥ 10 mF; 0.1 W < COUT−ESR < 1.0 W @ 10 kHz, unless otherwise specified.) Test Conditions Parameter Min Typ Max Unit −10 −5.0 − − 10 5 mV mV Regular Output VREF − VOUT VOUT Tracking Error 4.5 V ≤ VIN ≤ 26 V, 100 mA ≤ IOUT ≤ 200 mA, Note 2 VIN = 12 V, IOUT = 30 mA, VREF = 5.0 V, Note 2 Dropout Voltage (VIN − VOUT) IOUT = 100 mA IOUT = 30 mA IOUT = 200 mA − − − 100 − 350 150 500 600 mV mV mV Line Regulation 4.5 V ≤ VIN ≤ 26 V, Note 2 − − 10 mV Load Regulation 100 mA ≤ IOUT ≤ 200 mA, Note 2 − − 10 mV Adj Lead Current Loop in Regulation − 0.2 1.0 mA Current Limit VIN = 14 V, VREF = 5.0 V, VOUT = 90% of VREF, Note 2 250 − 700 mA Quiescent Current (IIN − IOUT) VIN = 12 V, IOUT = 200 mA VIN = 12 V, IOUT = 100 mA VIN = 12 V, VREF/ENABLE = 0 V − − − 15 75 30 25 150 55 mA mA mA Reverse Current VOUT = 5.0 V, VIN = 0 V − 0.2 1.5 mA Ripple Rejection f = 120 Hz, IOUT = 200 mA, 4.5 V ≤ VIN ≤ 26 V 60 − − dB Thermal Shutdown GBD 150 180 210 °C 0.80 2.00 2.75 V − 0.2 1.0 mA VREF/ENABLE − Enable Voltage Input Bias Current VREF/ENABLE 2. VOUT connected to Adj lead. http://onsemi.com 3 CS8182 TYPICAL CHARACTERISTICS QUIESCENT CURRENT (mA) 18 16 14 12 10 8 6 4 2 0 0 20 40 60 80 100 120 140 160 180 200 OUTPUT CURRENT (mA) 1 100 0.9 90 QUIESCENT CURRENT (mA) QUIESCENT CURRENT (mA) Figure 2. Quiescent Current vs. Output Current 0.8 0.7 0.6 0.5 0.4 I (VOUT) = 20 mA 0.3 0.2 0.1 0 5 10 15 20 70 60 50 40 30 20 VREF/ ENABLE = 0 V 10 I (VOUT) = 1 mA 0 80 25 30 35 40 0 45 0 5 VIN, INPUT VOLTAGE (V) 14 12 10 8 VIN = 6 V* VREF = 5 V** 6 4 2 0 VIN = 0 V 0 5 10 15 25 30 35 40 45 140 CURRENT INTO VOUT (mA) CURRENT INTO VOUT (mA) 16 20 Figure 4. Quiescent Current vs. Input Voltage (Sleep Mode) * Graph is duplicate for VIN > 1.6 V. **Dip (@5 V) shifts with VREF voltage. 18 15 VIN, INPUT VOLTAGE (V) Figure 3. Quiescent Current vs. Input Voltage (Operating Mode) 20 10 20 100 VIN = 0 V 80 60 VIN = 6 V* VREF = 5 V** 40 20 0 25 * Graph is duplicate for VIN > 1.6 V. **Dip (@5 V) shifts with VREF voltage. 120 0 FORCED VOUT VOLTAGE (V) 5 10 15 20 25 30 FORCED VOUT VOLTAGE (V) Figure 5. VOUT Reverse Current Figure 6. VOUT Reverse Current http://onsemi.com 4 35 40 CS8182 CIRCUIT DESCRIPTION ENABLE Function Output Voltage By pulling the VREF/ENABLE lead below 2.0 V typically, (see Figure 10 or Figure 11), the IC is disabled and enters a sleep state where the device draws less than 55 mA from supply. When the VREF/ENABLE lead is greater than 2.75 V, VOUT tracks the VREF/ENABLE lead normally. The output is capable of supplying 200 mA to the load while configured as a similar (Figure 7), lower (Figure 9), or higher (Figure 8) voltage as the reference lead. The Adj lead acts as the inverting terminal of the op amp and the VREF lead as the non−inverting. The device can also be configured as a high−side driver as displayed in Figure 12. GND GND VREF/ ENABLE Adj RA GND GND Adj CS8182 VOUT, 200 mA B+ VIN VREF/ ENABLE GND VREF C3*** 10 nF Figure 8. Tracking Regulator at Higher Voltages Figure 7. Tracking Regulator at the Same Voltage GND GND R VOUT + VREF(1 ) E) RA VOUT + VREF VOUT, 200 mA Loads VOUT C2** GND 10 mF C1* 1.0 mF VREF/ ENABLE Adj 5.0 V C3*** 10 nF B+ VIN CS8182 C1* 1.0 mF C2** 10 mF C1* 1.0 mF VOUT GND GND R1 C3*** 10 nF R2 C1* 1.0 mF GND GND VREF/ ENABLE Adj VREF B+ VIN CS8182 GND VOUT, 200 mA Loads VOUT C2** GND 10 mF RF GND B+ VIN CS8182 VOUT, 200 mA Loads VOUT C2** GND 10 mF from MCU R C3*** 10 nF VREF VOUT + VREF( R2 ) R1 ) R2 Figure 9. Tracking Regulator at Lower Voltages NCV8501 VREF (5.0 V) 200 mA 100 nF 5.0 V To Load 10 mF (e.g. sensor) GND GND Adj VIN CS8182 VOUT GND GND C1* 1.0 mF mC GND Adj GND VREF/ ENABLE VOUT I/O C3*** 10 nF B+ VIN CS8182 VIN 6.0 V−40 V Figure 10. Tracking Regulator with ENABLE Circuit GND GND VREF/ ENABLE C3*** 10 nF VOUT + B ) * VSAT Figure 11. Alternative ENABLE Circuit Figure 12. High−Side Driver * C1 is required if the regulator is far from the power source filter. ** C2 is required for stability. *** C3 is recommended for EMC susceptibility. http://onsemi.com 5 MCU CS8182 APPLICATION NOTES VOUT Short to Battery Figure 14. In this case the CS8182 supply input voltage is set at 7 V when a short to battery (14 V typical) occurs on VOUT which normally runs at 5 V. The current into the device (ammeter in Figure 14) will draw additional current as displayed in Figure 15. The CS8182 will survive a short to battery when hooked up the conventional way as shown in Figure 13. No damage to the part will occur. The part also endures a short to battery when powered by an isolated supply at a lower voltage as in Short to battery C2** 10 mF B+ VOUT VIN GND GND CS8182 VOUT 70 mA Loads GND C1* 1.0 mF GND VREF/ ENABLE Adj + Automotive Battery − typically 14 V 5.0 V + 5.0 V − C3*** 10 nF VOUT = VREF Figure 13. Short to battery A Loads VOUT B+ 70 mA C2** 10 mF VOUT VIN GND GND GND CS8182 Automotive Battery typically 14 V Adj * C1 is required if the regulator is far from the power source filter. ** C2 is required for stability. *** C3 is recommended for EMC susceptibility. C1* 7V 1.0 mF + − GND VREF/ ENABLE VOUT = VREF C3*** 10 nF 5.0 V + 5.0 V − Figure 14. 2.0 Switched Application 1.8 The CS8182 has been designed for use in systems where the reference voltage on the VREF/ENABLE pin is continuously on. Typically, the current into the VREF/ENABLE pin will be less than 1.0 mA when the voltage on the VIN pin (usually the ignition line) has been switched out (VIN can be at high impedance or at ground.) Reference Figure 16. 1.4 1.2 1.0 0.8 Ignition Switch 0.6 0.4 VOUT 0.2 C2 10 mF 0 5 6 7 8 9 10 1112 1314 15 1617 1819 20 2122 2324 25 26 VOUT VOLTAGE (V) VOUT VIN GND GND GND Figure 15. VOUT Short to Battery Adj CS8182 CURRENT (mA) 1.6 6 VBAT GND VREF/ ENABLE Figure 16. http://onsemi.com C1 1.0 mF < 1.0 mA VREF 5.0 V CS8182 External Capacitors In some cases, none of the packages will be sufficient to dissipate the heat generated by the IC, and an external heat sink will be required. The output capacitor for the CS8182 is required for stability. Without it, the regulator output will oscillate. Actual size and type may vary depending upon the application load and temperature range. Capacitor effective series resistance (ESR) is also a factor in the IC stability. Worst−case is determined at the minimum ambient temperature and maximum load expected. The output capacitor can be increased in size to any desired value above the minimum. One possible purpose of this would be to maintain the output voltage during brief conditions of negative input transients that might be characteristic of a particular system. The capacitor must also be rated at all ambient temperatures expected in the system. To maintain regulator stability down to −40°C, a capacitor rated at that temperature must be used. IOUT VOUT IQ Figure 17. Single Output Regulator with Key Performance Parameters Labeled Heatsinks A heatsink effectively increases the surface area of the package to improve the flow of heat away from the IC and into the surrounding air. Each material in the heat flow path between the IC and the outside environment will have a thermal resistance. Like series electrical resistances, these resistances are summed to determine the value of RqJA: The maximum power dissipation for a single output regulator (Figure 17) is: PD(max) + {VIN(max) * VOUT(min)} IOUT(max) (1) where: VIN(max) is the maximum input voltage, VOUT(min) is the minimum output voltage, IOUT(max) is the maximum output current, for the application,and IQ is the quiescent current the regulator consumes at IOUT(max). Once the value of PD(max) is known, the maximum permissible value of RqJA can be calculated: RqJA + 150° C * TA PD SMART REGULATOR® Control Features Calculating Power Dissipation in a Single Output Linear Regulator ) VIN(max)IQ IIN VIN RqJA + RqJC ) RqCS ) RqSA (3) where: RqJC = the junction−to−case thermal resistance, RqCS = the case−to−heatsink thermal resistance, and RqSA = the heatsink−to−ambient thermal resistance. RqJC appears in the package section of the data sheet. Like RqJA, it is a function of package type. RqCS and RqSA are functions of the package type, heatsink and the interface between them. These values appear in heat sink data sheets of heatsink manufacturers. (2) The value of RqJA can then be compared with those in the package section of the data sheet. Those packages with RqJA’s less than the calculated value in equation 2 will keep the die temperature below 150°C. http://onsemi.com 7 CS8182 180 180 160 160 140 140 120 qJA (°C/W) 100 2 oz 80 60 100 20 20 100 200 300 400 500 600 700 0 800 0 100 200 400 500 600 700 800 COPPER AREA (mm2) Figure 18. 8 Lead SOIC (Fused) Thermal Resistance Figure 19. 5 Lead DPAK Thermal Resistance 180 160 160 140 140 120 120 100 80 1 oz 60 2 oz 40 8 Lead SOIC w/ 4 Thermal Leads 1 oz 8 Lead SOIC w/ 4 Thermal Leads 2 oz 5 Lead DPAK 1 oz 5 Lead DPAK 2 oz 100 80 60 5 Lead D2PAK 1 oz 40 20 5 Lead D2PAK 2 oz 20 0 300 COPPER AREA (mm2) 180 0 2 oz 60 40 0 1 oz 80 40 0 qJA (°C/W) 1 oz qJA (°C/W) qJA (°C/W) 120 100 200 300 400 500 600 700 0 800 0 100 200 300 400 500 600 700 COPPER AREA (mm2) COPPER AREA (mm2) Figure 20. 5 Lead D2PAK Thermal Resistance Figure 21. Thermal Resistance Summary http://onsemi.com 8 800 CS8182 ORDERING INFORMATION Package Shipping† CS8182YDF8G SO−8 (Pb−Free) 95 Units / Rail CS8182YDFR8G SO−8 (Pb−Free) 2500 / Tape & Reel CS8182YDPS5G D2PAK 5−PIN (Pb−Free) 50 Units / Rail CS8182YDPSR5G D2PAK 5−PIN (Pb−Free) 750 / Tape & Reel CS8182DTG DPAK 5L (Pb−Free) 50 Units / Rail CS8182DTRKG DPAK 5L (Pb−Free) 2500 / Tape & Reel Device †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. http://onsemi.com 9 CS8182 PACKAGE DIMENSIONS SOIC−8 DF SUFFIX CASE 751−07 ISSUE AK −X− NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSION A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. 6. 751−01 THRU 751−06 ARE OBSOLETE. NEW STANDARD IS 751−07. A 8 5 S B 0.25 (0.010) M Y M 1 4 −Y− K G C N DIM A B C D G H J K M N S X 45 _ SEATING PLANE −Z− 0.10 (0.004) H D 0.25 (0.010) M Z Y S X M J S SOLDERING FOOTPRINT* 1.52 0.060 7.0 0.275 4.0 0.155 0.6 0.024 1.270 0.050 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 10 MILLIMETERS MIN MAX 4.80 5.00 3.80 4.00 1.35 1.75 0.33 0.51 1.27 BSC 0.10 0.25 0.19 0.25 0.40 1.27 0_ 8_ 0.25 0.50 5.80 6.20 INCHES MIN MAX 0.189 0.197 0.150 0.157 0.053 0.069 0.013 0.020 0.050 BSC 0.004 0.010 0.007 0.010 0.016 0.050 0 _ 8 _ 0.010 0.020 0.228 0.244 CS8182 PACKAGE DIMENSIONS D2PAK−5 DP SUFFIX CASE 936AC ISSUE A A E L1 B A SEATING PLANE 0.10 A E/2 M B A M NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. 2. CONTROLLING DIMENSION: INCHES. 3. DIMENSIONS D AND E DO NOT INCLUDE MOLD FLASH AND GATE PROTRUSIONS. MOLD FLASH AND GATE PROTRUSIONS NOT TO EXCEED 0.005 MAXIMUM PER SIDE. THESE DIMENSIONS TO BE MEASURED AT DATUM H. 4. THERMAL PAD CONTOUR OPTIONAL WITHIN DIMENSIONS E, L1, D1, AND E1. DIMENSIONS D1 AND E1 ESTABLISH A MINIMUM MOUNTING SURFACE FOR THE THERMAL PAD. D1 c2 E1 D DETAIL C H 5X c e b VIEW A−A A 0.13 M B A M B H A1 RECOMMENDED SOLDERING FOOTPRINT* L3 0.424 L M 0.310 DETAIL C 0.584 0.176 5X 0.040 SEATING PLANE 0.067 PITCH DIMENSIONS: MILLIMETERS *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 11 GAUGE PLANE DIM A A1 b c c2 D D1 E E1 e H L L1 L3 M INCHES MIN MAX 0.170 0.180 0.000 0.010 0.026 0.036 0.017 0.026 0.045 0.055 0.325 0.368 0.250 −−− 0.380 0.420 0.200 −−− 0.067 BSC 0.580 0.620 0.090 0.110 −−− 0.066 0.010 BSC 0_ 8_ MILLIMETERS MIN MAX 4.32 4.57 0.00 0.25 0.66 0.91 0.43 0.66 1.14 1.40 8.25 9.53 6.35 −−− 9.65 10.67 5.08 −−− 1.70 BSC 14.73 15.75 2.29 2.79 −−− 1.68 0.25 BSC 0_ 8_ CS8182 PACKAGE DIMENSIONS DPAK−5 DT SUFFIX CASE 175AA ISSUE A −T− C B V NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. SEATING PLANE E R R1 Z A S 12 3 4 5 U K F J L H D G 5 PL 0.13 (0.005) M INCHES MIN MAX 0.235 0.245 0.250 0.265 0.086 0.094 0.020 0.028 0.018 0.023 0.024 0.032 0.180 BSC 0.034 0.040 0.018 0.023 0.102 0.114 0.045 BSC 0.170 0.190 0.185 0.210 0.025 0.040 0.020 −−− 0.035 0.050 0.155 0.170 DIM A B C D E F G H J K L R R1 S U V Z T MILLIMETERS MIN MAX 5.97 6.22 6.35 6.73 2.19 2.38 0.51 0.71 0.46 0.58 0.61 0.81 4.56 BSC 0.87 1.01 0.46 0.58 2.60 2.89 1.14 BSC 4.32 4.83 4.70 5.33 0.63 1.01 0.51 −−− 0.89 1.27 3.93 4.32 SOLDERING FOOTPRINT* 6.4 0.252 2.2 0.086 0.34 5.36 0.013 0.217 5.8 0.228 10.6 0.417 0.8 0.031 SCALE 4:1 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. SMART REGULATOR is a registered trademark of Semiconductor Components Industries, LLC (SCILLC). ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. 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. 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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: 81−3−5817−1050 http://onsemi.com 12 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative CS8182/D