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| MITSUBISHI STANDARD LINEAER IC M6270X,M6271X, M6272X,M6273X,M6274XML/SL VOLTAGE DETECTING, SYSTEM RESETTING IC SERIES GENERAL DESCRIPTION The M627XXML/SL is a voltage threshold detector designed for detection of a supply voltage and generation of a system reset pulse for almost all logic circuits such as microprocessor. It also has extensive applications including battery checking, level detecting and waveform shaping circuits. FEATURES * Detecting Voltage M627X2,M627X3 ...... 2.87V M627X4,M627X5 ...... 2.58V M627X6,M627X7 ...... 2.39V M627X8,M627X9 ...... 1.72V * Hysterisis Voltage .............................. 80mV * Delay Time M6270X ............ 0sec M6271X ............ 200 sec M6272X ............ 50msec M6273X ............ 100msec M6274X ............ 200msec * Few external parts * Low threshold operating voltage (Supply voltage to keep low-state at low supply voltage) ...0.65V(TYP.) at RL=22k * Wide supply voltage range ............ 1.5V to 7.0V * Sudden change in power supply has minimal effect on the ICs * Extra small 3-pin package (3-pin FLAT) * Built-in long delay time APPLICATION * Reset pulse generation for almost all logic circuits * Battery checking, level detecting, waveform shaping circuits * Delayed waveform generator * Switching circuit to a back-up power supply * DC/DC converter * Over voltage protection circuit RECOMMENDED OPERATING CONDITION * Supply voltage range ............ 1.5V to 7.0V This product is on during the development, and there is a case rescheduling it future technical standard. PIN CONFIGURATION (TOP VIEW) ex. M62724 M62724ML 3 OUTPUT 2 GND VOLTAGE Outline SOT-89 (1) SUPPLY VOLTAGE (2) GND (3) OUTPUT (1) (2) (3) Outline TO-92L BLOCK DIAGRAM SUPPLY VOLTAGE (Open Collector:M62703,5,7,9) 1 M6270XML/SL (Built-in Load:M62702,4,6,8) SUPPLY VOLTAGE 1 M6271XML/SL (Built-in Load:M62712,4,6,8) (Open Collector:M62713,5,7,9) R1 25A TYP. R1 3 25A TYP R2 + 1.25V OUTPUT "L" RESET TYPE R2 + C 1.25V 3 OUTPUT "L" RESET TYPE 2 2 GND SUPPLY VOLTAGE 1 GND R1 25A TYP. M6272X,M6273X,M6274XML/SL (Built-in Load:X=2.4.6.8) (Open Collector:X=3.5.7.9) 3 R2 OSC + 1.25V OUTPUT "L" RESET TYPE COUNTER 2 GND (1/3) M62724SL 980710 1 SUPPLY MITSUBISHI STANDARD LINEAER IC M6270X,M6271X, M6272X,M6273X,M6274XML/SL VOLTAGE DETECTING, SYSTEM RESETTING IC SERIES FUNCTION DIAGRAM SUPPLY VOLTAGE Vs 0.65V H t OUTPUT FORM Vs+Vs OUTPUT STATE L OUTPUT UNDEFINED Built-in Load M627X2 M627X4 M627X6 M627X8 Open Collector M627X3 M627X5 M627X7 M627X9 td td : delay time td t built-in delay circuit type ABSOLUTE MAXIMUM RATINGS (Ta=25C Unless otherwise noted) Symbol ICC Isink VO Pd K0 Topr Tstg Parameter Supply Voltage Output Sink Current Output Voltage Power Dissipation Thermal Derating Operating Temperature Storage Temperature Test condition Ratings 7 6 VCC 700 500 7 5 -30 to +85 -40 to +125 Unit V mA V mW mW/C C C Output with constant current load 3pin SIP 3pin FLAT 3PIN SIP Ta25C 3PIN FLAT ELECTRICAL CHARACTERISTICS (Ta=25C, Unless otherwise noted) Symbol Parameter Test condition M627X2,3 M627X4,5 M627X6,7 M627X8,9 MIN 2.74 2.46 2.28 1.64 50 100 120 250 225 230 205 200 175 130 105 80 30 60 120 Limits TYP 2.87 2.58 2.39 1.72 80 0.01 200 220 395 370 375 350 345 320 275 250 3 200 50 100 200 0.2 0.7 0.6 -25 MAX 3.00 2.70 2.50 1.80 110 340 400 560 535 540 515 510 485 440 415 500 70 140 280 0.4 0.8 0.7 -17 30 1 Unit V Vs Vs Vs/T Detecting Voltage Hysterisis Voltage Detecting Voltage Temperature Coefficient NO OSC &COUNTER mV %/C Icc Circuit Current tPd Vsat VOPL Ioc VOH IOH Delay Time M6270X M6271X M627X2 Vcc=3.3V M627X3 Built-in OSC & Vcc=3.0V M627X4 COUNTER M627X5 X=2,3,4 Vcc=2.7V M627X6 M627X7 Vcc=2.0V M627X8 M627X9 M6270X Response Time M6271X M6272X Ta=-30~+85C M6273X M6274X Vcc=2V,Isink=4mA / M627X8,9:Vcc=1.6V RL=2.2k,Vsat0.4V RL=100kVsat0.4V A s ms V V A V nA A 980710 Output Saturetion Voltage Threshold Operating Voltage Output Load Current Output HIGH Voltage Output Leak Current Minimum supply voltage for operation Built-in Load type Built-in Load type Open Collector type ( Vo=1/2*Vcc -40 Vcc-0.2 Vcc-0.06 Ta=-30~+85C 2/ 3 ) MITSUBISHI STANDARD LINEAER IC M6270X,M6271X, M6272X,M6273X,M6274XML/SL VOLTAGE DETECTING, SYSTEM RESETTING IC SERIES Example of application circuit Reset Circuit of M627XX Series VCC SUPPLY VOLTAGE OUTPUT RL SUPPLY VOLTAGE RESET(RESET) LOGIC CIRCUIT M627XX GND GND Note 1. The logic circuit preferably should not have a pull-down resistor,but if one is present, add load resistor RL to overcome the pull-down resistor. ! Mitsubishi Electric Corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead to personal injury,fire or property damage.Remember to give due consideration to safety when making your circuit design,in order to prevent fires from spreading,redundancy,malfunction or other mishap. ( 3/3) 980710 |
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