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LM337MT Datasheet(PDF) 1 Page - ON Semiconductor |
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LM337MT Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 8 page LM337M SEMICONDUCTOR TECHNICAL DATA MEDIUM CURRENT THREE–TERMINAL ADJUSTABLE NEGATIVE VOLTAGE REGULATOR ORDERING INFORMATION Order this document by LM337M/D Pin 1. Adjust 2. Vin 3. Vout T SUFFIX PLASTIC PACKAGE CASE 221A 3 1 2 Operating Temperature Range Device Package LM337MT Plastic Power TJ = 0° to +125°C 1 MOTOROLA ANALOG IC DEVICE DATA Three-Terminal Adjustable Output Negative Voltage Regulator The LM337M is an adjustable three–terminal negative voltage regulator capable of supplying in excess of 500 mA over an output voltage range of –1.2 V to –37 V. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage. Further, it employs internal current limiting, thermal shutdown and safe area compensation, making it essentially blow–out proof. The LM337M serves a wide variety of applications including local, on–card regulation. This device can also be used to make a programmable output regulator or by connecting a fixed resistor between the adjustment and output. The LM337M can be used as a precision current regulator. • Output Current in Excess of 500 mA • Output Adjustable Between –1.2 V and –37 V • Internal Thermal Overload Protection • Internal Short Circuit Current Limiting • Output Transistor Safe–Area Compensation • Floating Operation for High Voltage Applications • Standard 3–Lead Transistor Packages • Eliminates Stocking Many Fixed Voltages Standard Application IPROG Cin * + 1.0 µF –Vin Vin LM337M Vout –Vout CO ** + IAdj R1 120 *Cin is required if regulator is located more than 4″ from power supply filter. **A 1.0 µF solid tantalum or 10 µF aluminum electrolytic is recommended. **CO is necessary for stability. A 1.0 µF solid tantalum or 10 µF aluminum **electrolytic is recommeded. R2 1.0 µF Adjust Vout + –1.25 V 1 ) R2 R1 © Motorola, Inc. 1996 Rev 1 |
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