LM317D ,1.5 A Adjustable Output, Positive Voltage RegulatorELECTRICAL CHARACTERISTICS (V –V = 5.0 V; I = 0.5 A for D2T and T packages; T = T to T [Note 1]; I ..
LM317D2T ,1.2V TO 37V ADJUSTABLE VOLTAGE REGULATORMAXIMUM RATINGS (See Note)This device contains circuitry to protect theRating Symbol Value Unitinpu ..
LM317D2TG ,1.5A, Adjustable Output, Positive Voltage RegulatorMAXIMUM RATINGSRating Symbol Value UnitInput−Output Voltage Differential V −V 40 VdcI OPower Dissip ..
LM317D2TR4 ,1.5A, Adjustable Output, Positive Voltage RegulatorELECTRICAL CHARACTERISTICS (V −V = 5.0 V; I = 0.5 A for D2T and T packages; T = T to T (Note 1); I ..
LM317D2TR4 ,1.5A, Adjustable Output, Positive Voltage RegulatorFeaturesHeatsink surface (shown as terminal 4 in • Output Current in Excess of 1.5 Acase outline dr ..
LM317D2T-TR ,1.2V TO 37V ADJUSTABLE VOLTAGE REGULATORLM117/217LM3171.2V TO 37V VOLTAGE REGULATOR
LM317D
1.5 A Adjustable Output, Positive Voltage Regulator
1.5 A Adjustable Output,
Positive Voltage Regulator
The LM317 is an adjustable 3–terminal positive voltage regulator
capable of supplying in excess of 1.5 A over an output voltage range of
1.2 V to 37 V . This voltage regulator is exceptionally easy to use and
requires only two external resistors to set the output voltage. Further, it
employs internal current limiting, thermal shutdown and safe area
compensation, making it essentially blow–out proof.
The LM317 serves a wide variety of applications including local, on
card regulation. This device can also be used to make a programmable
output regulator, or by connecting a fixed resistor between the
adjustment and output, the LM317 can be used as a precision current
regulator. Output Current in Excess of 1.5 A Output Adjustable between 1.2 V and 37 V Internal Thermal Overload Protection Internal Short Circuit Current Limiting Constant with Temperature Output Transistor Safe–Area Compensation Floating Operation for High V oltage Applications Available in Surface Mount D2 PAK, and Standard 3–Lead Transistor
Package Eliminates Stocking many Fixed Voltages
Standard Application**�Cin is required if regulator is located an appreciable distance from power supply filter.
**�CO is not needed for stability, however, it does improve transient response.
Since I Adj is controlled to less than 100 μA, the error associated with this term is
negligible in most applications.out��� 1.25�V��1�21 ����IAdj�R2
Vin
240IAdj
Cin*
0.1 μF CO**
1.0 μF
