LM150QML
3-Amp Adjustable Regulator
制造商:TI
产品信息
描述 The LM150 adjustable 3-terminal positive voltage regulator is capable of supplying in excess of 3A over a 1.2V to 33V output range. It is exceptionally easy to use and requires only 2 external resistors to set the output voltage. Further, both line and load regulation are comparable to discrete designs. Also, the LM150 is packaged in standard transistor package which is easily mounted and handled.In addition to higher performance than fixed regulators, the LM150 offers full overload protection available only in IC's. Included on the chip are current limit, thermal overload protection and safe area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is accidentally disconnected.Normally, no capacitors are needed unless the device is situated more than 6 inches from the input filter capacitors in which case an input bypass is needed. An output capacitor can be added to improve transient response, while bypassing the adjustment pin will increase the regulator's ripple rejection.Besides replacing fixed regulators or discrete designs, the LM150 is useful in a wide variety of other applications. Since the regulator is “floating” and sees only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input to output differential is not exceeded, i.e., avoid short-circuiting the output.By connecting a fixed resistor between the adjustment pin and output, the LM150 can be used as a precision current regulator. Supplies with electronic shutdown can be achieved by clamping the adjustment terminal to ground which programs the output to 1.2V where most loads draw little current.特性Adjustable Output Down to 1.2V Ensured 3A Output Current Ensured Thermal Regulation Output is Short Circuit Protected Current Limit Constant with Temperature 86 dB Ripple Rejection All trademarks are the property of their respective owners.
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