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TL317

Texas Instruments
Part Number TL317
Manufacturer Texas Instruments
Description 3-Terminal Adjustable Regulator
Published Sep 1, 2020
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TL317 SLVS004I – APRIL 1979 – ...
Datasheet PDF File TL317 PDF File

TL317
TL317


Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TL317 SLVS004I – APRIL 1979 – REVISED AUGUST 2016 TL317 100-mA 3-Terminal Adjustable Positive Voltage Regulator 1 Features •1 Output Voltage Range Adjustable From 1.
25 V to 32 V When Used With an External Resistor Divider • Output Current Capability of 100 mA • Input Regulation Typically 0.
01% Per Input-Voltage Change • Output Regulation Typically 0.
5% • Ripple Rejection Typically 80 dB 2 Applications • Power Supplies • Portable Devices • Computing and Servers • Telecommunications • HVAC: Heating, Ventilation, and Air Conditioning • Desktop PC • Digital Signage • Programmable Logic Controller • Appliances Functional Block Diagram Input Iadj + 1.
25 V Adj.
Over Temp & Over Current Protection Output Copyright © 2016, Texas Instruments Incorporated 3 Description The TL317 is an adjustable three-terminal positivevoltage regulator capable of supplying 100 mA over an output-voltage range of 1.
25 V to 32 V.
It is exceptionally easy to use and requires only two external resistors to set the output voltage.
This regulator offers full overload protection available only in integrated circuits.
Included on the chip are current-limiting and thermal-overload protection.
All overload-protection circuitry remains fully functional, even when ADJUSTMENT is disconnected.
Normally, no capacitors are required unless the device is situated far from the input filter capacitors, in which case an input bypass is required.
An optional output capacitor can be added to improve transient response.
ADJUSTMENT can be bypassed to achieve very high ripple rejection.
In addition to replacing fixed regulators, the TL317 regulator is useful in a wide variety of other applications.
Because 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.
Its primary applicati...


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