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LM317A

MEDIUM CURRENT 1.2V TO 37V ADJUSTABLE VOLTAGE REGULATOR

DESCRIPTION TheUTCLM317Aisanadjustable3-terminalpositivevoltageregulator,designedtosupply1.5Aofoutputcurrentwithvoltageadjustablefrom1.2V~37V. FEATURES *Outputvoltageadjustablefrom1.2V~37V *Outputcurrentinexcessof1.5A *Internalthermaloverload

LM317A

Linear Voltage Regulator

Features Outputcurrentinexcessof1.5A Adjustableoutputbetween1.2V-37V Internalshortcircuitcurrentlimit Internalthermaloverloadprotection OutputtransistorSafe-AreaCompensation Floatingoperationforhighvoltageapplications 0.01%Line,1%Loadregulationmaximum

LM317A

MEDIUM CURRENT 1.2V TO 37V ADJUSTABLE VOLTAGE REGULATOR; ? Output voltage adjustable from 1.2V ~ 37V \n? Output current in excess of 1.5A \n? Internal thermal overload protection \n? Internal short circuit current limiting \n? Output transistor safe area compensation;

The UTC LM317A is an adjustable 3-terminal positive voltage regulator, designed to supply 1.5A?of output current with voltage adjustable from 1.2V ~ 37V.

LM317A

1.5A、40V、高精度、可調(diào)節(jié)線性穩(wěn)壓器; ? For a newer drop-in alternative, see the LM317\n? Typical 0.005%/V line regulation\n? 1% output voltage tolerance\n? 1.5-A output current\n? Adjustable output down to 1.25 V\n? Input-output differential up to 40 V\n? Current limit constant with temperature\n? No output capacitor required\n? Short-circuit protected output\n? ?40°C to 125°C operating temperature range;

The LM317A adjustable 3-terminal, positive-voltage regulators are capable of supplying current in excess of 1.5 A over a 1.25-V to 37-V output range and provide 1% output-voltage accuracy. Both line regulation and load regulation are better achieved with the LM317A device than with standard fixed regulators.\n\nThe LM317A offers full overload protection such as over current, thermal-overload protection, and safe-area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is disconnected.\n\nTypically, 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 optional output capacitor can be added to improve transient response and can be replaced with a ceramic and appropriate ESR. The adjustment terminal can be bypassed to achieve very high ripple-rejection ratios that are difficult to achieve with standard 3-terminal regulators.\n\nBecause the LM317A regulator is floating and detects 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. Exceeding the maximum input-to-output deferential will result in short-circuiting the output. By connecting a fixed resistor between the adjustment pin and output, the LM317A can be also used as a precision current regulator.\n\nFor applications requiring greater output current, see the LM150 series (3A) and LM138 series (5A) data sheets. For the negative complement, see the LM137 series data sheet.

LM317A

MEDIUM CURRENT 1.2V TO 37V ADJUSTABLE VOLTAGE REGULATOR

LM317A

MEDIUM CURRENT 1.2V TO 37V ADJUSTABLE VOLTAGE REGULATOR

LM317A

3-Terminal Adjustable Regulator

LM317A

3-Terminal Adjustable Regulator

LM317A_V01

MEDIUM CURRENT 1.2V TO 37V ADJUSTABLE VOLTAGE REGULATOR

DESCRIPTION TheUTCLM317Aisanadjustable3-terminalpositivevoltage regulator,designedtosupply1.5Aofoutputcurrentwithvoltage adjustablefrom1.2V~37V. ?FEATURES *Outputvoltageadjustablefrom1.2V~37V *Outputcurrentinexcessof1.5A *Internalthermaloverloadprotect

LM317AEMPX-TP

Package：SOT-223-3；1.5A, ADJUSTABLE OUTPUT, NEGATIVE VOLTAGE REGULATOR

Features ?OutputAdjustablebetween1.2Vand37V ?Outputcurrentupto1.54 ?InternalThermalOverloadProtection ?internalthermalOverloadprotection ?Outputtransistorsafeareacompensation