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MC34161 - Universal Voltage Monitors

MC34161 , MC33161, NCV33161. Universal Voltage Monitors The MC34161 /MC33161 are Universal Voltage Monitors intended for use in a wide variety of Voltage sensing applications. These devices offer the circuit designer an economical solution for positive and negative Voltage detection. The circuit consists of two comparator channels each with hysteresis, a unique Mode Select input for channel programming, a pinned out V reference, and two open collector outputs capable of sinking in excess of 10 mA. Each comparator MARKING. channel can be configured as either inverting or noninverting by the DIAGRAMS. Mode Select input . This allows over, under, and window detection of positive and negative voltages. The minimum supply Voltage needed 8. for these devices to be fully functional is V for positive Voltage sensing and V for negative Voltage sensing.

MC34161, MC33161, NCV33161 www.onsemi.com 2 MAXIMUM RATINGS (Note 1) Rating Symbol Value Unit Power Supply Input Voltage VCC 40 V Comparator Input Voltage Range Vin − 1.0 to +40 V Comparator Output Sink Current (Pins 5 and 6) (Note 2) ISink 20 mA Comparator Output Voltage Vout 40 V Power Dissipation and Thermal Characteristics (Note 2)

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  Ranges, Input, Universal, Voltage, Monitor, Input voltage, Universal voltage monitors, Input voltage range

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Transcription of MC34161 - Universal Voltage Monitors

1 MC34161 , MC33161, NCV33161. Universal Voltage Monitors The MC34161 /MC33161 are Universal Voltage Monitors intended for use in a wide variety of Voltage sensing applications. These devices offer the circuit designer an economical solution for positive and negative Voltage detection. The circuit consists of two comparator channels each with hysteresis, a unique Mode Select input for channel programming, a pinned out V reference, and two open collector outputs capable of sinking in excess of 10 mA. Each comparator MARKING. channel can be configured as either inverting or noninverting by the DIAGRAMS. Mode Select input . This allows over, under, and window detection of positive and negative voltages. The minimum supply Voltage needed 8. for these devices to be fully functional is V for positive Voltage sensing and V for negative Voltage sensing.

2 PDIP 8 MC3x161P. P SUFFIX AWL. Applications include direct monitoring of positive and negative YYWWG. CASE 626. voltages used in appliance, automotive, consumer, and industrial equipment. 1 1. Features 8. Unique Mode Select input Allows Channel Programming SOIC 8 3x161. Over, Under, and Window Voltage Detection D SUFFIX ALYW. G. Positive and Negative Voltage Detection 1. CASE 751. Fully Functional at V for Positive Voltage Sensing and V 1. for Negative Voltage Sensing 8. Pinned Out V Reference with Current Limit Protection Low Standby Current Micro8t DM SUFFIX. x161. AYW G. Open Collector Outputs for Enhanced Device Flexibility CASE 846A G. NCV Prefix for Automotive and Other Applications Requiring 1. 1. Unique Site and Control Change Requirements; AEC Q100. x = 3 or 4. Qualified and PPAP Capable A = Assembly Location These Devices are Pb Free and are RoHS Compliant WL, L = Wafer Lot VCC YY, Y = Year WW, W = Work Week 8 G or G = Pb Free Package (Note: Microdot may be in either location).

3 1. Reference PIN CONNECTIONS. VS 7. Vref 1 8 VCC. - + + 6 input 1 2 7 Mode Select 2. + input 2 3 6 Output 1. + - GND 4 5 Output 2. - + + 5 (TOP VIEW). 3. + + - ORDERING INFORMATION. See detailed ordering and shipping information in the package dimensions section on page 15 of this data sheet. 4 This device contains 141 transistors. Figure 1. Simplified Block Diagram (Positive Voltage Window Detector Application). Semiconductor Components Industries, LLC, 2015 1 Publication Order Number: November, 2015 Rev. 13 MC34161 /D. MC34161 , MC33161, NCV33161. MAXIMUM RATINGS (Note 1). Rating Symbol Value Unit Power Supply input Voltage VCC 40 V. Comparator input Voltage Range Vin to +40 V. Comparator Output Sink Current (Pins 5 and 6) (Note 2) ISink 20 mA. Comparator Output Voltage Vout 40 V. Power Dissipation and Thermal Characteristics (Note 2).

4 P Suffix, Plastic Package, Case 626. Maximum Power Dissipation @ TA = 70 C PD 800 mW. Thermal Resistance, Junction to Air RqJA 100 C/W. D Suffix, Plastic Package, Case 751. Maximum Power Dissipation @ TA = 70 C PD 450 mW. Thermal Resistance, Junction to Air RqJA 178 C/W. DM Suffix, Plastic Package, Case 846A. Thermal Resistance, Junction to Ambient RqJA 240 C/W. Operating Junction Temperature TJ +150 C. Operating Ambient Temperature (Note 3) TA C. MC34161 0 to +70. MC33161 40 to +105. NCV33161 40 to +125. Storage Temperature Range Tstg 55 to +150 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 2000 V per MIL STD 883, Method 3015.

5 Machine Model Method 200 V. 2. Maximum package power dissipation must be observed. 3. Tlow = 0 C for MC34161 Thigh = +70 C for MC34161 . 40 C for MC33161 +105 C for MC33161. 40 C for NCV33161 +125 C for NCV33161. 2. MC34161 , MC33161, NCV33161. ELECTRICAL CHARACTERISTICS (VCC = V, 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 COMPARATOR INPUTS. Threshold Voltage , Vin Increasing (TA = 25 C) Vth V. (TA = Tmin to Tmax) Threshold Voltage Variation (VCC = V to 40 V) DVth 15 mV. Threshold Hysteresis, Vin Decreasing VH 15 25 35 mV. Threshold Difference |Vth1 Vth2| VD 15 mV. Reference to Threshold Difference (Vref Vin1), (Vref Vin2) VRTD V. input Bias Current (Vin = V) IIB 40 200 nA.

6 (Vin = V) 85 400. MODE SELECT input . Mode Select Threshold Voltage (Figure 6) Channel 1 Vth(CH 1) Vref+ Vref+ Vref+ V. Channel 2 Vth(CH 2) COMPARATOR OUTPUTS. Output Sink Saturation Voltage (ISink = mA) VOL V. (ISink = 10 mA) (ISink = mA, VCC = V) Off State Leakage Current (VOH = 40 V) IOH 0 mA. REFERENCE OUTPUT. Output Voltage (IO = 0 mA, TA = 25 C) Vref V. Load Regulation (IO = 0 mA to mA) Regload 15 mV. Line Regulation (VCC = V to 40 V) Regline 15 mV. Total Output Variation over Line, Load, and Temperature DVref V. Short Circuit Current ISC 30 mA. TOTAL DEVICE. Power Supply Current (VMode, Vin1, Vin2 = GND) (VCC = V) ICC 450 700 mA. (VCC = 40 V) 560 900. Operating Voltage Range (Positive Sensing) VCC 40 V. (Negative Sensing) 40. Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted.

7 Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. 4. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible. 5. Tlow = 0 C for MC34161 Thigh = +70 C for MC34161 . 40 C for MC33161 +105 C for MC33161. 40 C for NCV33161 +125 C for NCV33161. 3. MC34161 , MC33161, NCV33161. 500. VCC = V. RL = 10 k to VCC. IIB , input BIAS CURRENT (nA). TA = 25 C VCC = V. Vout , OUTPUT Voltage (V). 400 VMode = GND. TA = 25 C. 300. 200. TA = 85 C. TA = 85 C. TA = 25 C TA = 25 C 100. TA = -40 C TA = -40 C. 0 0. 0 Vin, input Voltage (V) Vin, input Voltage (V). Figure 2. Comparator input Threshold Voltage Figure 3. Comparator input Bias Current versus input Voltage t PHL, OUTPUT PROPAGATION DELAY TIME (ns).

8 3600 VCC = V 1. VMode = GND, Output Falling Undervoltage Detector TA = 25 C 2. VMode = VCC, Output Rising Programmed to trip at V. Vout , OUTPUT Voltage (V). 3000 3. VMode = VCC, Output Falling R1 = k, R2 = k RL = 10 k to VCC. 4. VMode = GND, Output Rising Refer to Figure 17. 2400. 1800 1. 2. 1200 3 TA = -40 C. TA = -25 C. 4 TA = -85 C. 600 0. 0 10 0 PERCENT OVERDRIVE (%) VCC, SUPPLY Voltage (V). Figure 4. Output Propagation Delay Time Figure 5. Output Voltage versus Supply Voltage versus Percent Overdrive I Mode , MODE SELECT input CURRENT ( A). 40. Vout , CHANNEL OUTPUT Voltage (V). Channel 2 Threshold Channel 1 Threshold 35 VCC = V. TA = 25 C. 30. VCC = V. RL = 10 k to VCC 25. 20. 15. TA = 85 C. TA = 85 C 10. TA = 25 C TA = -40 C. TA = -40 C TA = 25 C. 0 0. 0 0 VMode, MODE SELECT input Voltage (V) VMode, MODE SELECT input Voltage (V).

9 Figure 6. Mode Select Thresholds Figure 7. Mode Select input Current versus input Voltage 4. MC34161 , MC33161, NCV33161. Vref , REFERENCE OUTPUT Voltage (V). Vref Max = V. Vref, REFERENCE Voltage (V). Vref Typ = V. VCC = V. VMode = GND. VMode = GND TA = 25 C Vref Min = V. 0 0 10 20 30 40 -55 -25 0 25 50 75 100 125. VCC, SUPPLY Voltage (V) TA, AMBIENT TEMPERATURE ( C). Figure 8. Reference Voltage Figure 9. Reference Voltage versus Supply Voltage versus Ambient Temperature Vref , REFERENCE Voltage CHANGE (mV). 0 Vout , OUTPUT SATURATION Voltage (V). VCC = V. VMode = GND. TA = 85 C. TA = 25 C. TA = 85 C. TA = 25 C. VCC = V. VMode = GND. TA = -40 C. TA = -40 C. -10 0. 0 0 12 16. Iref, REFERENCE SOURCE CURRENT (mA) Iout, OUTPUT SINK CURRENT (mA). Figure 10. Reference Voltage Change Figure 11. Output Saturation Voltage versus Source Current versus Output Sink Current VMode = VCC.

10 I CC , input SUPPLY CURRENT (mA). Pins 2, 3 =. I CC , SUPPLY CURRENT (mA). VMode = GND GND. Pins 2, 3 = V. VMode = Vref Pin 1 = V. Pin 2 = GND VCC = V. VMode = GND. ICC measured at Pin 8 TA = 25 C. TA = 25 C. 0 0. 0 10 20 30 40 0 12 16. VCC, SUPPLY Voltage (V) Iout, OUTPUT SINK CURRENT (mA). Figure 12. Supply Current versus Figure 13. Supply Current Supply Voltage versus Output Sink Current 5. MC34161 , MC33161, NCV33161. VCC. 8. Vref Reference 1. Mode Select - Channel 1. 7 + +. Output 1. input 1 + 6. 2 + - - Channel 2. + +. Output 2. input 2 + 5. 3 + - GND 4. Figure 14. MC34161 Representative Block Diagram Mode Select input 1 Output 1 input 2 Output 2. Pin 7 Pin 2 Pin 6 Pin 3 Pin 5 Comments GND 0 0 0 0 Channels 1 & 2: Noninverting 1 1 1 1. Vref 0 0 0 1 Channel 1: Noninverting 1 1 1 0 Channel 2: Inverting VCC (> V) 0 1 0 1 Channels 1 & 2: Inverting 1 0 1 0.


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