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TS317L Datasheet(PDF) 1 Page - Taiwan Semiconductor Company, Ltd |
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TS317L Datasheet(HTML) 1 Page - Taiwan Semiconductor Company, Ltd |
1 / 11 page TS317L 3-Terminal Adjustable Positive Voltage Regulator 1/11 Version: B07 TO-92 SOP-8 General Description The TS317L is adjustable 3-terminal positive voltage regulator capable of supplying in excess of 100mA over an output voltage range of 1.25 V to 37 V. This voltage regulator is exceptionally easy to use and require 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. Besides replacing fixed regulators, the TS317L is useful in a wide variety of other applications. Since 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. Also, it makes an especially simple adjustable switching regulator, a programmable output regulator, or by connecting a fixed resistor between the adjustment and output, the TS317L can be used as a precision current regulator. Supplies with electronic shutdown can be achieved by clamping the adjustment terminal to ground which programs the output to 1.25V where most loads draw little current. Features ● Output Voltage Range 1.25 to 37V ● Output current in Excess of 100mA ● Eliminates Stocking Many Fixed Voltages ● Internal Thermal Overload Protection ● Current Limit Constant with Temperature ● Output transistor safe-area compensation ● Output voltage offered in 4% tolerance ● Floating Operation for High Voltage Applications Ordering Information Part No. Package Packing TS317LCT B0 TO-92 1Kpcs / Bulk TS317LCT A3 TO-92 2Kpcs / Ammo TS317LCS RL SOP-8 2.5Kpcs / 13” Reel Standard Application Circuit 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. Vout = 1.25 V(1 + R2 / R1 ) + IAdjR2 Since IAdj is controlled to less than 100 µA, the error associated with this term is negligible in most applications Pin Definition: 1. Adjustable 2. Output 3. Input Pin Definition: 1. Input 8. N/C 2. Output 7. Output 3. Output 6. Output 4. Adjustable 5. N/C |
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