MC34160, MC33160 100 mA, 5.0 V Voltage Regulator and Supervisory Circuit for Microprocessors The MC34160 Series is a voltage regulator and supervisory circuit containing many of the necessary monitoring functions required in microprocessor based systems. It is specifically designed for appliance and industrial applications, offering the designer a cost effective solution with minimal external components. These integrated circuits feature a 5.0 V/100 mA regulator with short circuit current limiting, pinned out 2.6 V bandgap reference, low voltage reset comparator, power warning comparator with programmable hysteresis, and an uncommitted comparator ideally suited for microprocessor line synchronization. Additional features include a chip disable input for low standby current, and internal thermal shutdown for over temperature protection. These devices are contained in a 16 pin dual−in−line heat tab plastic package for improved thermal conduction. http://onsemi.com SOIC−16WB DW SUFFIX CASE 751G 1 PDIP−16 P SUFFIX CASE 648C Features • • • • • • • • • • 5.0 V Regulator Output Current in Excess of 100 mA Internal Short Circuit Current Limiting Pinned Out 2.6 V Reference Low Voltage Reset Comparator Power Warning Comparator with Programmable Hysteresis Uncommitted Comparator Low Standby Current Internal Thermal Shutdown Protection Heat Tab Power Package Pb−Free Packages are Available* VCC 14 + 0.913 R + 0.01 R − − + 2.6 V Reference R + Power Sense − + 9 Hysteresis Adjust 10 Noninverting Input 2 Inverting Input 1 PIN CONNECTIONS Comp. Inv. In 1 16 Vref Comp. Noninv. In 2 15 Chip Disable N.C. 3 14 VCC 4 13 5 12 Comp. Out 6 11 Reg. Out Reset 7 10 Hyst. Adj. Power Warning 8 9 Power Sense GND Thermal Shutdown Chip Disable 15 1 IH Regulator 11 Output 7 Reset Reference Output 16 Power Warning 8 GND (Top View) ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 8 of this data sheet. IH On/Off DEVICE MARKING INFORMATION + + − Comparator Output 6 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. GND 4, 5, 12, 13 This device contains 72 active transistors. Figure 1. Representative Block Diagram © Semiconductor Components Industries, LLC, 2006 August, 2006 − Rev. 5 See general marking information in the device marking section on page 8 of this data sheet. 1 Publication Order Number: MC34160/D MC34160, MC33160 MAXIMUM RATINGS Symbol Value Unit Power Supply Voltage Rating VCC 40 V Chip Disable Input Voltage (Pin 15, Note 1) VCD −0.3 to VCC V Comparator Input Current (Pins 1, 2, 9) Iin −2.0 to +2.0 mA Comparator Output Voltage (Pins 6, 7, 8) VO 40 V Comparator Output Sink Current (Pins 6, 7, 8) ISink 10 mA °C/W Power Dissipation and Thermal Characteristics P Suffix, Dual−In−Line Case 648C Thermal Resistance, Junction−to−Air Thermal Resistance, Junction−to−Case (Pins 4, 5, 12, 13) DW Suffix, Surface Mount Case 751G Thermal Resistance, Junction−to−Air Thermal Resistance, Junction−to−Case (Pins 4, 5, 12, 13) RqJA RqJC 80 15 RqJA RqJC 94 18 TJ +150 Operating Junction Temperature Operating Ambient Temperature °C °C TA MC34160 MC33160 0 to +70 −40 to +85 Storage Temperature Range Tstg °C −65 to +150 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. The maximum voltage range is −0.3 V to VCC or +35 V, whichever is less. ELECTRICAL CHARACTERISTICS (VCC = 30 V, IO = 10 mA, Iref = 100 mA) For typical values TA = 25°C, for min/max values TA is the operating ambient temperature range that applies [Notes 2 and 3], unless otherwise noted.) Characteristics Symbol Min Typ Max Unit Total Output Variation (VCC = 7.0 V to 40 V, IO = 1.0 mA to 100 mA, TA = Tlow to Thigh) VO 4.75 5.0 5.25 V Line Regulation (VCC = 7.0 V to 40 V, TA = 25°C) Regline − 5.0 40 mV Load Regulation (IO = 1.0 V to 100 mA, TA = 25°C) Regload − 20 50 mV RR 50 6.5 − dB REGULATOR SECTION Ripple Rejection (VCC = 25 V to 35 V, IO = 40 mA, f = 120 Hz, TA = 25°C) REFERENCE SECTION Total Output Variation (VCC = 7.0 to 40 V, IO = 0.1 mA to 2.0 mA, TA = Tlow to Thigh) Vref 2.47 2.6 2.73 V Line Regulation (VCC = 5.0 V to 40 V, TA = 25°C) Regline − 2.0 20 mV Load Regulation (IO = 0.1 mA to 2.0 mA, TA = 25°C) Regload − 4.0 30 mV VIH VIL VH − 4.55 0.02 (VO−0.11) (VO−0.18) 0.07 (VO−0.05) − − V Output Sink Saturation (VCC = 4.5 V, ISink = 2.0 mA) VOL − − 0.4 V Output Off−State Leakage (VOH = 40 V) IOH − − 4.0 mA Input Offset Voltage VIO − 1.2 10 mV Input Bias Current (VPin 9 = 3.0 V) IIB − − 0.5 mA IH 40 4.5 50 7.5 60 11 mA Output Sink Saturation (ISink = 2.0 mA) VOL − 0.13 0.4 V Output Off−State Leakage (VOH = 40 V) IOH − − 4.0 mA RESET COMPARATOR Threshold Voltage High State Output (Pin 11 Increasing) Low State Output (Pin 11 Decreasing) Hysteresis POWER WARNING COMPARATOR Input Hysteresis Current (VPin 9 = Vref − 100 mV) RPin 10 = 24 k RPin 10 = ∞ 2. Tlo = 0°C for MC34160 Thigh = 70°C for MC34160 −40°C for MC33160 85°C for MC33160 3. Low duty cycle pulse testing techniques are used during test to maintain junction temperature as close to ambient as possible. http://onsemi.com 2 MC34160, MC33160 ELECTRICAL CHARACTERISTICS (continued) (VCC = 30 V, IO = 10 mA, Iref = 100 mA) For typical values TA = 25°C, for min/max values TA is the operating ambient temperature range that applies [Notes 4 and 5], unless otherwise noted.) Characteristics Symbol Min Typ Max Unit UNCOMMITTED COMPARATOR Input Offset Voltage (Output Transition Low to High) VIO − − 20 mV Input Hysteresis Voltage (Output Transition High to Low) IH 140 200 260 mV Input Bias Current (VPin 1, 2 = 2.6 V) IIB − − −1.0 mA Input Common Mode Voltage Range VICR 0.6 to 5.0 − − V Output Sink Saturation (ISink = 2.0 mA) VOL − 0.13 0.4 V Output Off−State Leakage (VOH = 40 V) IOH − − 4.0 mA TOTAL DEVICE Chip Disable Threshold Voltage (Pin 15) High State (Chip Disabled) Low State (Chip Enabled) VIH VIL 2.5 − − − − 0.8 V Chip Disable Input Current (Pin 15) High State (Vin = 2.5 V) Low State (Vin = 0.8 V) IIH IIL − − − − 100 30 mA Rin 50 100 − kW Chip Disable Input Resistance (Pin 15) Operating Voltage Range VO (Pin 11) Regulated Vref (Pin 16) Regulated VCC 7.0 to 40 5.0 to 40 − − − − V Power Supply Current Standby (Chip Disable High State) Operating (Chip Disable Low State) ICC − − 0.18 1.5 0.35 3.0 mA 0°C for MC34160 Thigh = 70°C for MC34160 −40°C for MC33160 85°C for MC33160 5. Low duty cycle pulse testing techniques are used during test to maintain junction temperature as close to ambient as possible. 0 OUTPUT VOLTAGE (V) 6.0 −4.0 −8.0 VCC = 7.5 V TA = 25°C −12 −16 RL = 1 Reference Output 2.0 40 80 120 IO, REGULATOR OUTPUT SOURCE CURRENT (mA) 160 0 Figure 2. Regulator Output Voltage Change versus Source Current 10 20 30 VCC, SUPPLY VOLTAGE (V) 40 Figure 3. Reference and Regulator Output versus Supply Voltage 0 60 −8.0 −16 VCC = 7.5 V TA = 25°C −24 −32 Regulator Output RL = 50 W 4.0 0 0 RL = 1 TA = 25°C I H , HYSTERESIS CURRENT ( μ A) Δ V ref , REFERENCE OUTPUT VOLTAGE CHANGE (mV) Δ V O , REGULATOR OUTPUT VOLTAGE CHANGE (mV 4. Tlo = 0 2.0 4.0 6.0 Iref, REFERENCE OUTPUT SOURCE CURRENT (mA) 40 20 0 8.0 VCC = 30 V VPin 9 = 2.5 V TA = 25°C 20 Figure 4. Reference Output Voltage Change versus Source Current 40 60 80 100 RH, PROGRAMMING RESISTOR (kW) 120 Figure 5. Power Warning Hysteresis Current versus Programming Resistor http://onsemi.com 3 140 MC34160, MC33160 440 600 Output Fall 400 200 −55 −25 0 25 50 75 100 Output Fall 200 −25 0 25 50 75 100 125 TA, AMBIENT TEMPERATURE (°C) TA, AMBIENT TEMPERATURE (°C) Figure 6. Power Warning Comparator Delay versus Temperature Figure 7. Uncommitted Comparator Delay versus Temperature 100 VCC = 6.0 V VPin 1 = Vref VPin 2, 9 = 10 kW to GND Vsat = Pins 6, 7, 8 0.3 TA = 25°C 0.2 TA = 85°C TA = −40°C 0.1 2.0 4.0 6.0 8.0 ISink, SINK CURRENT (mA) Figure 8. Comparator Output Saturation versus Sink Current 80 L RθJA 60 PD(max) for TA = 70°C 0 10 20 70 L 2.4 ÎÎÎ ÎÎ ÎÎÎ ÎÎÎ ÎÎÎ ÎÎ ÎÎ 2.0 oz. Copper L 50 3.0 mm RθJA 40 10 2.0 1.6 1.2 0.8 0.4 30 0 30 40 0 50 Figure 9. P Suffix (DIP−16) Thermal Resistance and Maximum Power DIssipation versus P.C.B. Copper Length Graph represents symmetrical layout 60 1.0 L, LENGTH OF COPPER (mm) 2.8 80 3.0 2.0 20 0 4.0 2.0 oz. Copper 40 PD(max) for TA = 50°C 90 ÉÉ ÉÉÉ ÉÉÉÉÉ L 3.0 mm Graphs represent symmetrical layout 100 JUNCTION-TO-AIR (° C/W) 0 5.0 Printed circuit board heatsink example 20 30 L, LENGTH OF COPPER (mm) 40 0 50 Figure 10. DW Suffix (SOP−16L) Thermal Resistance and Maximum Power Dissipation versus P.C.B. Copper Length http://onsemi.com 4 PD, MAXIMUM POWER DISSIPATION (W) 0.4 R θ JA, THERMAL RESISTANCE VOL , OUTPUT SATURATION (V) Output Rise 280 120 −55 125 0.5 0 360 VCC = 30 V VPin 1 = 2.5 V to 2.9 V VPin 2 = 2.6 V RL = 2.4 k to VO P D, MAXIMUM POWER DISSIPATION (W) VCC = 30 V Vin (Pin 9) = 2.5 V to 2.7 V RL = 2.4 k to VO t DLY , OUTPUT DELAY TIME (ns) Output Rise R θJA, THERMAL RESISTANCE JUNCTION TO AIR (C/W) ° t DLY, OUTPUT DELAY TIME (ns) 800 MC34160, MC33160 PIN FUNCTION DESCRIPTION Pin Function Description 1 Comparator Inverting Input This is the Uncommitted Comparator Inverting input. It is typically connected to a resistor divider to monitor a voltage. 2 Comparator Noninverting Input This is the Uncommitted Comparator Noninverting input. It is typically connected to a reference voltage. 3 N.C. No connection. This pin is not internally connected. 4, 5, 12, 13 GND These pins are the control circuit grounds and are connected to the source and load ground returns. They are part of the IC lead frame and can be used for heatsinking. 6 Comparator Output This is the Uncommitted Comparator output. It is an open collector sink−only output requiring a pullup resistor. 7 Reset This is the Reset Comparator output. It is an open collector sink−only output requiring a pullup resistor. 8 Power Warning This is the Power Warning Comparator output. It is an open collector sink−only output requiring a pullup resistor. 9 Power Sense This is the Power Warning Comparator noninverting input. It is typically connected to a resistor divider to monitor the input power source voltage. 10 Hysteresis Adjust The Power Warning Comparator hysteresis is programmed by a resistor connected from this pin to ground. 11 Regulator Output This is the 5.0 V Regulator output. 14 VCC This pin is the positive supply input of the control IC. 15 Chip Disable This input is used to switch the IC into a standby mode turning off all outputs. 16 Vref This is the 2.6 V Reference output. It is intended to be used in conjunction with the Power Warning and Uncommitted comparators. OPERATING DESCRIPTION capacitor of 0.1 mF or greater is recommended to ensure stability under all load conditions. The capacitors selected must provide good high frequency characteristics. Good construction techniques should be used to minimize ground loops and lead resistance drops since the regulator does not have external sense inputs. The MC34160 series is a monolithic voltage regulator and supervisory circuit containing many of the necessary monitoring functions required in microprocessor based systems. It is specifically designed for appliance and industrial applications, offering the designer a cost effective solution with minimal external components. These devices are specified for operation over an input voltage of 7.0 V to 40 V, and with a junction temperature of −40° to +150°C. A typical microprocessor application is shown in Figure 11. Reference The 2.6 V bandgap reference is short circuit protected and has a guaranteed output tolerance of ±5.0% over line, load, and temperature. It is intended to be used in conjunction with the Power Warning and Uncommitted comparator. The reference can source in excess of 2.0 mA and sink a maximum of 10 mA. For additional current sinking capability, an external load resistor to ground must be used. Reference biasing is internally derived from either VCC or VO, allowing proper operation if either drops below nominal. Regulator The 5.0 V regulator is designed to source in excess of 100 mA output current and is short circuit protected. The output has a guaranteed tolerance of ±5.0% over line, load, and temperature. Internal thermal shutdown circuitry is included to limit the maximum junction temperature to a safe level. When activated, typically at 170°C, the regulator output turns off. In specific situations a combination of input and output bypass capacitors may be required for regulator stability. If the regulator is located an appreciable distance (≥ 4″) from the supply filter, an input bypass capacitor (Cin) of 0.33 mF or greater is suggested. Output capacitance values of less than 5.0 nF may cause regulator instability at light load (≤ 1.0 mA) and cold temperature. An output bypass Chip Disable This input is used to switch the IC into a standby mode. When activated, internal biasing for the entire die is removed causing all outputs to turn off. This reduces the power supply current (ICC) to less than 0.3 mA. http://onsemi.com 5 MC34160, MC33160 Comparators The Power Warning and Uncommitted Comparators each have a transistor base−emitter connected across their inputs. The base input normally connects to a voltage reference while the emitter input connects to the voltage to be monitored. The transistor limits the negative excursion on the emitter input to − 0.7 V below the base input by supply current from VCC. This clamp current will prevent forward biasing the IC substrate. Zener diodes are connected to the comparator inputs to enhance the ICs electrostatic discharge capability. Resistors R1 and Rin must limit the input current to a maximum of ±2.0 mA. Each comparator output consists of an open collector NPN transistor capable of sinking 2.0 mA with a saturation voltage less than 0.4 V, and standing off 40 V with minimal leakage. Internal bias for the Reset and Power Warning Comparators is derived from either VCC or the regulator output to ensure functionality when either is below nominal. Three separate comparators are incorporated for voltage monitoring. Their outputs can provide diagnostic information to the microprocessor, preventing system malfunctions. The Reset Comparator Inverting Input is internally connected to the 2.6 V reference while the Noninverting Input monitors VO. The Reset Output is active low when VO falls approximately 180 mV below its regulated voltage. To prevent erratic operation when crossing the comparator threshold, 70 mV of hysteresis is provided. The Power Warning Comparator is typically used to detect an impending loss of system power. The Inverting Input is internally connected to the reference, fixing the threshold at 2.6 V. The input power source Vin is monitored by the Noninverting Input through the R1/R2 divider (Figure 11). This input features an adjustable 10 mA to 50 mA current sink IH that is programmed by the value selected for resistor RH. A default current of 6.5 mA is provided if RH is omitted. When the comparator input falls below 2.6 V, the current sink is activated. This produces hysteresis if Vin is monitored through a series resistor (R1). The comparator thresholds are defined as follows: 1+ Vth(upper) = Vref The MC34160 is contained in a 16 lead plastic dual−in−line package in which the die is mounted on a special Heat Tab copper alloy lead frame. This tab consists of the four center ground pins that are specifically designed to improve thermal conduction from the die to the surrounding air. The pictorial in Figure 9 shows a simple but effective method of utilizing the printed circuit board medium as a heat dissipator by soldering these tabs to an adequate area of copper foil. This permits the use of standard board layout and mounting practices while having the ability to more than halve the junction to air thermal resistance. The example and graph are for a symmetrical layout on a single sided board with one ounce per square foot copper. − IIB R1 R1 R2 R1 1+ R2 Vth(lower) = Vref Heat Tab Package + IH R1 The nominal hysteresis current IH equals 1.2 V/RH (Figure 5). The Uncommitted Comparator can be used to synchronize the microprocessor with the ac line signal for timing functions, or for synchronous load switching. It can also be connected as a line loss detector as shown in Figure 12. The comparator contains 200 mV of hysteresis preventing erratic output behavior when crossing the input threshold. VCC Vin + 14 Cin Thermal Shutdown − + R1 Chip Disable 15 2.6 V Reference .01 R + IH AC Line Rin VO MPU Reset 7 Power Warning Vref 16 Power Warning 8 IH On/Off 10 2 2.6 V CO R 9 RH + − Reset − + R2 11 0.913 R 1 + + − Uncommitted Comparator Line Sync. 6 4, 5, 12, 13 + − Figure 11. Typical Microprocessor Application http://onsemi.com 6 Sink Only = Positive True Logic MC34160, MC33160 VCC Vin + 14 Cin Chip Disable 2.6 V Reference 15 .01 R 2.6 V Pin 6 2.6 V Reset + + − IH CO Vref Line Loss Output 8 IH On/Off 10 RDLY + 2 + − Rin 1 A VO MPU Reset 7 10 Power Warning 9 Pin 8 AC Line + − R R1 Point A 11 0.913 R Thermal Shutdown − + Uncommitted Comparator 6 4, 5, 12, 13 CDLY = Sink Only + − IH RDLY − VO Vref + IH R1 − VO + IH RDLY tDLY ≈ RDLY CDLY ln Positive True Logic Figure 12. Line Loss Detector Application VCC Vin Cin + 14 Chip Disable R2 .01 R − + R1 15 2.6 V Reference + − 9 + − Reset R + IH 11 0.913 R Thermal Shutdown Power Warning CO VO 7 16 Vref RDLY 8 IH On/Off RH 10 + 2 + − 1 MPU Reset 6 4, 5, 12, 13 3.6 k 6.2 k Uncommitted Comparator tDLY RDLY CDLY CDLY Sink Only = Positive True Logic + − Figure 13. Time Delayed Microprocessor Reset http://onsemi.com 7 MC34160, MC33160 ORDERING INFORMATION Package Shipping† MC34160DW SOIC−16WB 47 Units / Rail MC34160DWG SOIC−16WB (Pb−Free) 47 Units / Rail SOIC−16WB 1000 Units / Tape & Reel SOIC−16WB (Pb−Free) 1000 Units / Tape & Reel MC34160P PDIP−16 25 Units / Rail MC34160PG PDIP−16 (Pb−Free) 25 Units / Rail MC33160DW SOIC−16WB 47 Units / Rail MC33160DWG SOIC−16WB (Pb−Free) 47 Units / Rail SOIC−16WB 1000 Units / Tape & Reel SOIC−16WB (Pb−Free) 1000 Units / Tape & Reel MC33160P PDIP−16 25 Units / Rail MC33160PG PDIP−16 (Pb−Free) 25 Units / Rail Device Operating Temperature Range MC34160DWR2 TA = 0° to +70°C MC34160DWR2G MC33160DWR2 TA = −40° to +85°C MC33160DWR2G †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. MARKING DIAGRAMS SOIC−16WB PDIP−16 16 16 MC3x160P AWLYYWWG MC3x160DW AWLYYWWG 1 1 MC3x160 = Device Code DW = SOIC−16 P = PDIP−16 x = 4 or 3 A = Assembly Location WL = Wafer Lot YY = Year WW = Work Week G = Pb−Free Package http://onsemi.com 8 MC34160, MC33160 PACKAGE DIMENSIONS SOIC−16 WB DW SUFFIX PLASTIC PACKAGE CASE 751G−03 ISSUE C A D 9 h X 45 _ E 0.25 1 16X M T A S B S 14X e L A 0.25 B B NOTES: 1. DIMENSIONS ARE IN MILLIMETERS. 2. INTERPRET DIMENSIONS AND TOLERANCES PER ASME Y14.5M, 1994. 3. DIMENSIONS D AND E DO NOT INLCUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE. 5. DIMENSION B DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.13 TOTAL IN EXCESS OF THE B DIMENSION AT MAXIMUM MATERIAL CONDITION. MILLIMETERS DIM MIN MAX A 2.35 2.65 A1 0.10 0.25 B 0.35 0.49 C 0.23 0.32 D 10.15 10.45 E 7.40 7.60 e 1.27 BSC H 10.05 10.55 h 0.25 0.75 L 0.50 0.90 q 0_ 7_ 8 A1 H 8X M B M 16 q SEATING PLANE T C http://onsemi.com 9 MC34160, MC33160 PACKAGE DIMENSIONS PDIP−16 P SUFFIX PLASTIC PACKAGE CASE 648C−04 ISSUE D A 0.005 (0.13) J 8 16X 1 L 9 B 16 M M T B B A K C N F NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL. 4. DIMENSION B DOES NOT INCLUDE MOLD FLASH. INCHES MILLIMETERS DIM MIN MAX MIN MAX A 0.744 0.783 18.90 19.90 B 0.240 0.260 6.10 6.60 C 0.145 0.185 3.69 4.69 D 0.015 0.021 0.38 0.53 E 0.050 BSC 1.27 BSC F 0.040 0.70 1.02 1.78 G 0.100 BSC 2.54 BSC J 0.008 0.015 0.20 0.38 K 0.115 0.135 2.92 3.43 L 0.300 BSC 7.62 BSC M 0_ 10_ 0_ 10_ N 0.015 0.040 0.39 1.01 T E G 16X SEATING PLANE D 0.005 (0.13) M T A 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. 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