Order this document by MC33465/D The MC33465 series are micropower undervoltage sensing circuits that are specifically designed for use with battery powered microprocessor based systems, where extended battery life is required. A choice of several threshold voltages from 0.9 V to 4.5 V are available. This device features a very low quiescent bias current of 1.0 µA typical. The MC33465 series features a highly accurate voltage reference, a comparator with precise thresholds and built–in hysteresis to prevent erratic reset operation, a choice of output configurations between open drain or complementary, a time delayed output, which can be programmed by the system designer, and guaranteed operation below 1.0 V with extremely low standby current. This device is available in a SOT–23 5–pin surface mount package. Applications include direct monitoring of the MPU/logic power supply used in appliance, automotive, industrial and portable equipment. MICROPOWER UNDERVOLTAGE SENSING CIRCUITS WITH PROGRAMMABLE OUTPUT DELAY SEMICONDUCTOR TECHNICAL DATA 5 MC33465 Features: • Extremely Low Standby Current of 1.0 µA at Vin = 3.5 V • • • • • • • 1 Wide Input Voltage Range (0.7 V to 10 V) Monitors Power Supply Voltages from 1.1 V to 5.0 V High Accuracy Detector Threshold (±2.5%) Two Reset Output Types (Open Drain or Complementary Drive) Programmable Output Delay by External Capacitor (100 ms typ. with 0.15 µF) Surface Mount Package (SOT–23 5–Pin) N SUFFIX PLASTIC PACKAGE CASE 1212 (SOT–23) Convenient Tape and Reel (3000 per Reel) PIN CONNECTIONS ORDERING INFORMATION Device Threshold Voltage Type MC33465N–09ATR MC33465N–20ATR MC33465N–27ATR MC33465N–30ATR MC33465N–45ATR 0.9 2.0 2.7 3.0 4.5 Open O Drain Reset MC33465N–09CTR MC33465N–20CTR MC33465N–27CTR MC33465N–30CTR MC33465N–45CTR 0.9 2.0 2.7 3.0 4.5 Compl.l C MOS Reset Operating Temperature Range Package Reset 1 Input 2 Ground 3 5 CD 4 N/C (Top View) 30° to +80°C 80°C TA = –30° SOT 23 SOT–23 Other voltages from 0.9 to 6.0 V, in 0.1 V increments, are available. Consult factory for information. This document contains information on a new product. Specifications and information herein are subject to change without notice. MOTOROLA ANALOG IC DEVICE DATA Motorola, Inc. 1996 Rev 0 1 MC33465 Representative Block Diagrams MC33465N–YYATR Open Drain Output Configuration 2 MC33465N–YYCTR Complementary Output Configuration 1 Input Reset 2 Input RD RD 1 Reset Vref Vref 3 Gnd 5 3 CD Gnd 5 CD YY Denotes Threshold Voltage This device contains 28 active transistors. MAXIMUM RATINGS ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁ ÁÁÁ Rating Symbol Value Unit Power Input Supply Voltage Vin 0 to 12 V Reset Output Voltage VO –0.3 to 12 V Reset Output Current (Source or Sink) IO 70 mA PD 150 mW Power Dissipation and Thermal Characteristics Maximum Power Dissipation at TA = 25°C Case 1212 (SOT–23) N Suffix Thermal Resistance, Junction–to–Ambient RθJA 667 °C/W Operating Junction Temperature TJ +125 °C Operating Ambient Temperature TA –30 to +80 °C Tstg –40 to +125 °C Tsolder 260°C, 10 s Storage Temperature Range Lead Temperature (Soldering) 2 MOTOROLA ANALOG IC DEVICE DATA MC33465 ELECTRICAL CHARACTERISTICS (For all values TA = 25°C (Note 1), unless otherwise noted.) Characteristic Symbol Min Typ Max Unit ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ SENSE COMPARATOR Threshold Voltage High to Low State Output (Vin Decreasing) 09 Suffix 18 Suffix 27 Suffix 36 Suffix 45 Suffix V VIL 0.878 1.755 2.633 3.51 4.387 0.9 1.8 2.7 3.6 4.5 0.922 1.845 2.767 3.69 4.612 0.027 0.054 0.081 0.108 0.135 0.045 0.09 0.135 0.18 0.225 0.063 0.126 0.189 0.252 0.315 Threshold Hysteresis (Vin Increasing) 09 Suffix 18 Suffix 27 Suffix 36 Suffix 45 Suffix VH V Threshold Voltage Temperature Coefficient TC – ±100 – Output Voltage High State (Complementary Output: Isource = 1.0 mA) Low State (Complementary or Open Drain Output: Isink = 1.0 mA) VOH VOL Vin – 2.1 – Vin – 1.0 0.25 Vin 0.5 Output Sink Current (Vin = 1.5 V, VOL = 0.5 V) IOL 1.0 2.0 – mA Output Source Current (Vin = 4.5 V, VOH = 2.4 V) IOH 1.0 2.0 – mA Output Sink Current (Vin = 1.5 V, VOL = 0.5 V) IOL 0.2 0.8 – mA Delay Resistance RD 0.5 1.0 2.0 MΩ Operating Input Voltage Range Vin 0.8 to 10 – – V Quiescent Input Current Vin = 4.34 V Vin = 6.50 V Iin – – 5.5 1.3 11 3.9 ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁ PPM/°C RESET OUTPUT V DELAY OUTPUT TOTAL DEVICE NOTE: µA 1. Low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible. MOTOROLA ANALOG IC DEVICE DATA 3 MC33465 Figure 1. Reset Low State Sink Current versus Output Voltage Figure 2. Output Voltage versus Input Voltage 7.0 MC33465N–45ATR TA = 20°C 14 12 Vin = 2.5 V 10 8.0 2.0 V 6.0 4.0 1.5 V 2.0 0 1.0 0.5 1.5 2.5 2.0 80°C, 20°C TA = 80°C 1.0 0 2.0 3.0 5.0 4.0 6.0 Vin, INPUT VOLTAGE (V) Figure 3. Input Current versus Input Voltage Figure 4. Comparator Input Threshold Voltage versus Temperature 3.0 V in , INPUT THRESHOLD VOLTAGE (V) TA = 80°C 6.0 5.0 TA = 25°C 4.0 3.0 80°C 2.0 25°C TA = –30°C –30°C 0 2.0 4.0 6.0 8.0 VIL + VH 2.85 2.8 VH 2.75 VIL 2.7 2.65 10 MC33465N–27ATR –20 0 20 TA, AMBIENT TEMPERATURE (°C) Figure 5. Reset Output Sink Current versus Input Voltage Figure 6. Reset Output Source Current versus Input Voltage MC33465N–27CTR Vin – VO = 2.1 V 3.5 8.0 80°C 6.0 4.0 2.0 3.0 2.5 Vin – VO = 1.5 V 2.0 Vin – VO = 1.0 V 1.5 1.0 Vin – VO = 0.5 V 0.5 0.5 80 4.0 TA = –30°C 25°C 0 60 40 Vin, INPUT VOLTAGE (V) MC33465N–27ATR VOL = 0.5 V 10 2.9 2.6 –40 IO , OUTPUT CURRENT (mA) I in , SUPPLY CURRENT ( µ A) TA = –30°C TA = 25°C 2.0 3.0 MC33465N–45ATR 12 I O, OUTPUT SINK CURRENT (mA) 3.0 VOL, LOW STATE OUTPUT VOLTAGE (V) 1.0 1.0 1.5 2.0 Vin, INPUT VOLTAGE (V) 4 30°C 4.0 0 0 7.0 0 5.0 1.0 8.0 0 MC33465N–45ATR 470 kΩ Pull–up 6.0 VO , OUTPUT VOLTAGE (V) I O , OUTPUT SINK CURRENT (mA) 16 2.5 3.0 0 0 2.0 4.0 6.0 8.0 10 12 Vin, INPUT VOLTAGE (V) MOTOROLA ANALOG IC DEVICE DATA MC33465 Figure 7. CD Sink Current versus Input Voltage CD , SINK CURRENT (mA) MC33465N–27ATR 10 VOL = 0.5 V TA = –30°C 14 25°C 8.0 80°C 6.0 4.0 2.0 0 Figure 8. CD Sink Current versus CD Voltage 16 I sink , SINK CURRENT (mA) 12 12 Vin = 2.5 V 10 8.0 Vin = 2.0 V 6.0 4.0 Vin = 1.5 V 2.0 0 0.5 1.0 1.5 2.0 2.5 0 3.0 0.5 0 1.0 Vin, INPUT VOLTAGE (V) R D, DELAY RESISTANCE (M Ω) 1.6 1.4 1.2 1.0 0.8 0.6 –20 0 20 40 60 80 Vth(D), DETECTOR THRESHOLD VOLTAGE (V) Figure 9. Delay Resistance versus Temperature 1.8 0.4 –40 t p, OUTPUT DELAY TIME (ms) 2.0 2.5 3.0 Figure 10. Detector Threshold versus Temperature 1.9 1.8 1.7 1.6 Vin = 2.97 V 1.5 1.4 1.3 MC33465N–27ATR 1.2 –40 –20 0 TA, AMBIENT TEMPERATURE (°C) 1000 1.5 VCD, VOLTAGE (V) 20 40 60 80 TA, AMBIENT TEMPERATURE (°C) Figure 11. Output Delay Time versus Delay Capacitance 100 tD: Output Switch Low to High 10 1.0 tD: Output Switch High to Low 0.1 0.01 0.0001 0.001 0.01 0.1 CD, DELAY CAPACITANCE (µF) MOTOROLA ANALOG IC DEVICE DATA 5 MC33465 Figure 12. Typical Open Drain Application VDD 2 5 CD CD Input MC33465 Series R 1 VDD CPU Reset Reset Gnd 3 Gnd Figure 13. Typical Complementary Output Application VDD 2 5 CD CD Input MC33465 Series VDD 1 Reset CPU Reset Gnd 3 Gnd APPLICATION CIRCUIT INFORMATION The MC33465 series are micropower undervoltage sensing circuits which offer a programmable time delayed output with the choice of either complementary output drive or open drain output configurations. Figure 14 shows the timing relationships between the input voltage and the resulting circuit waveforms. When the input voltage (Vin) exceeds the sense comparator threshold, the timing capacitor is allowed to charge through the internal delay resistor. When the output inverting driver threshold is exceeded, the Reset output switches from a logic “0” to a 6 logic “1”. The top curve of Figure 11 provides the nominal delay time for a given value of delay capacitance. When Vin drops below the comparator threshold minus hysteresis voltage, the delay capacitor discharges. When the capacitance voltage drops below the inverting drive threshold, the output switches from a logic “1” to a logic “0”. The bottom curve in Figure 11 provides typical delay time for given delay capacitance values. The inverting driver threshold voltage is typically about Vin/2, as shown in Figure 10. MOTOROLA ANALOG IC DEVICE DATA MC33465 Figure 14. Timing Waveforms Vin Input Voltage VIL + VH VIL Delay Capacitor Vin Reset Output 0V MOTOROLA ANALOG IC DEVICE DATA tD tD tD tD L–H H–L L–H H–L 7 MC33465 OUTLINE DIMENSIONS N SUFFIX PLASTIC PACKAGE CASE 1212–01 (SOT–23) ISSUE O A 5 E 1 A2 0.05 S B D NOTES: 1. DIMENSIONS ARE IN MILLIMETERS. 2. INTERPRET DIMENSIONS AND TOLERANCES PER ASME Y14.5M, 1994. 3. DATUM C IS A SEATING PLANE. A1 4 2 L 3 E1 L1 B C 5X 0.10 M C B S A S e e1 C DIM A1 A2 B C D E E1 e e1 L L1 MILLIMETERS MIN MAX 0.00 0.10 1.00 1.30 0.30 0.50 0.10 0.25 2.80 3.00 2.50 3.10 1.50 1.80 0.95 BSC 1.90 BSC 0.20 ––– 0.45 0.75 Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola 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 consequential or incidental damages. “Typical” parameters which may be provided in Motorola 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. 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Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. Mfax is a trademark of Motorola, Inc. How to reach us: USA / EUROPE / Locations Not Listed: Motorola Literature Distribution; P.O. Box 5405, Denver, Colorado 80217. 303–675–2140 or 1–800–441–2447 JAPAN: Nippon Motorola Ltd.; Tatsumi–SPD–JLDC, 6F Seibu–Butsuryu–Center, 3–14–2 Tatsumi Koto–Ku, Tokyo 135, Japan. 81–3–3521–8315 Mfax: [email protected] – TOUCHTONE 602–244–6609 INTERNET: http://Design–NET.com ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852–26629298 8 ◊ MOTOROLA ANALOG IC DEVICE DATA MC33465/D