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LM117QML

Texas Instruments
Part Number LM117QML
Manufacturer Texas Instruments
Description 3-Terminal Adjustable Regulator
Published Jan 6, 2020
Detailed Description LM117QML, LM117QML-SP www.ti.com SNVS356D – MARCH 2006 – REVISED APRIL 2013 LM117QML 3-Terminal Adjustable Regulator ...
Datasheet PDF File LM117QML PDF File

LM117QML
LM117QML

Overview
LM117QML, LM117QML-SP www.
ti.
com SNVS356D – MARCH 2006 – REVISED APRIL 2013 LM117QML 3-Terminal Adjustable Regulator Check for Samples: LM117QML, LM117QML-SP FEATURES 1 •2 Available with Radiation Ensured – High Dose Rate 100 krad(Si) – ELDRS Free 100 krad(Si) • Specified max.
0.
3% Load Regulation (LM117) • Specified 0.
5A or 1.
5A Output Current • Adjustable Output Down to 1.
2V • Current Limit Constant with Temperature • 80 dB Ripple Rejection • Output is Short-Circuit Protected DESCRIPTION The LM117 series of adjustable 3-terminal positive voltage regulators is capable of supplying either 0.
5A or 1.
5A over a 1.
2V to 37V output range.
They are exceptionally easy to use and require only two external resistors to set the output voltage.
Further, both line and load regulation are better than standard fixed regulators.
In addition to higher performance than fixed regulators, the LM117 series 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 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 optional output capacitor can be added to improve transient response.
The adjustment terminal can be bypassed to achieve very high ripple rejection ratios which are difficult to achieve with standard 3-terminal regulators.
Besides replacing fixed regulators, the LM117 is useful in a wide variety of other applications.
Since the regulator is "floating" and sees only the input-tooutput 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.
Also, it makes an especially simple adjustable switching regulator, a programmable output regulator, or by...


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