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LM317

Inchange Semiconductor

Adjustable Voltage Regulator

isc Adjustable Voltage Regulator INCHANGE Semiconductor LM317 FEATURES ·Output Voltage Range :1.2V to 37V ·Output Curr...


Inchange Semiconductor

LM317

File Download Download LM317 Datasheet


Description
isc Adjustable Voltage Regulator INCHANGE Semiconductor LM317 FEATURES ·Output Voltage Range :1.2V to 37V ·Output Current In Excess of 1.5A ·0.1% Line and Load Regulation ·Floating Operation for High Voltage ·100% tested ·Minimum Lot-to-Lot variations for robust device performance and reliable operation DESCRIPTION ·They are designed to supply more than 1.5A of load current with an output voltage adjustable over a 1.2 to 37V range. ·The nominal output voltage is selected by means of only a resistive divider,making the device exceptionally easy to use and eliminating the stocking of many fixed regulators. ABSOLUTE MAXIMUM RATING(Ta=25℃) SYMBOL PARAMETER VALUE UNIT Vi -Vo Input-output Differential Voltage 40 V IO Output Current 1.5 A PD Power Dissipation Internally Limited W TOP Operating Junction Temperature 0~125 ℃ TSTG Storage Temperature -65~125 ℃ THERMAL CHARACTERISTICS SYMBOL PARAMETER Rth j-c Rth j-a Thermal Resistance, Junction to Case Thermal Resistance,Junction to Ambient MAX 5 35 UNIT ℃/W ℃/W isc website:www.iscsemi.com 1 isc & iscsemi is registered trademark isc Adjustable Voltage Regulator INCHANGE Semiconductor LM317 ·ELECTRICAL CHARACTERISTICS (Vi -Vo =5V, IO=0.5A ,IMAX=1.5A ,PMAX=20W,unless otherwise specified) SYMBOL PARAMETER CONDITIONS △VO Line Regulation Vi -Vo= 3V to 40V;IO=10mA to 1.5A SVR Ripple Rejection Vo= 10V; f= 120Hz, CADJ= 10μF △VO Load Regulation IO= 10mA to 1.5A;Vo≤5V ;Tj = 25 oC IO= 10mA to 1.5A;Vo>...




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