![]() ![]() B)ĪN-182 Improving Power Supply Reliability with IC Power Regulators (Rev. B)ĪN-178 Applications for an Adjustable IC Power Regulator (Rev. B)ĪN-42 IC Provides On-Card Regulation for Logic Circuits (Rev. B)ĪN-1148 Linear Regulators: Theory of Operation and Compensation (Rev. P)ĪB-12 Wide Adjustable Range PNP Voltage Regulator (Rev. LM317M 3-Terminal Adjustable Regulator datasheet (Rev. The ADJUST terminal can be bypassed with any type of capacitor to achieve high ripple-rejection ratios, which are difficult to achieve with standard three-terminal regulators. Ceramic output capacitors can be used but output ringing may be present on transients. An optional electrolytic or tantalum output capacitor can be added to improve transient response. Normally, no capacitors are needed unless the device is more than six inches from the input filter capacitors, in which case an input bypass capacitor of any type is needed. Device can be used as a floating current source controlled by a single resistor. Regulated output voltage of hundreds of volts is possible if the maximum input to output differential does not exceed 40-V at any time. Quiescent current flows to the load instead of being wasted flowing to ground. The LM317 is a floating regulator meaning there is no device ground terminal. All overload protection remains fully functional if the ADJUST terminal is disconnected. In addition to having higher performance than fixed regulators, the LM317M includes on-chip current limiting, thermal-overload protection, and safe- operating-area protection. Furthermore, both line and load regulation are better than standard fixed regulators. The LM317M is exceptionally easy to use and requires only two external resistors to set the output. The LM317M is an adjustable 3-terminal positive voltage regulator capable of supplying more than 500-mA over an output-voltage range of 1.25-V toģ7-V. Customer-Specific Configuration Control Can Be Supported for Q Devices Along With.Q Devices Meet Automotive Performance Requirements.Internal Short-Circuit Current Limiting. ![]()
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