Startseite Energiemanagement Linear- und Low-Dropout-Regler (LDO)
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Energiemanagement
Linear- und Low-Dropout-Regler (LDO)

LM317L-N

AKTIV

Einstellbarer linearer Spannungsregler, 100 mA, 40 V, hoher PSRR-Wert

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Datenblatt

LM317L-N

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Output options Adjustable Output Iout (max) (A) 0.1 Vin (max) (V) 40 Vin (min) (V) 4.2 Vout (max) (V) 38 Vout (min) (V) 1.2 Noise (µVrms) 38 Iq (typ) (mA) 0.05 Thermal resistance θJA (°C/W) 160 Rating Catalog Load capacitance (min) (µF) 0 Regulated outputs (#) 1 Accuracy (%) 3 PSRR at 100 KHz (dB) 63 Dropout voltage (Vdo) (typ) (mV) 1800 Operating temperature range (°C) -40 to 125
Output options Adjustable Output Iout (max) (A) 0.1 Vin (max) (V) 40 Vin (min) (V) 4.2 Vout (max) (V) 38 Vout (min) (V) 1.2 Noise (µVrms) 38 Iq (typ) (mA) 0.05 Thermal resistance θJA (°C/W) 160 Rating Catalog Load capacitance (min) (µF) 0 Regulated outputs (#) 1 Accuracy (%) 3 PSRR at 100 KHz (dB) 63 Dropout voltage (Vdo) (typ) (mV) 1800 Operating temperature range (°C) -40 to 125
DSBGA (YPB) 6 2.1875 mm² 1.75 x 1.25 SOIC (D) 8 29.4 mm² 4.9 x 6 TO-92 (LP) 3 19.136 mm² 5.2 x 3.68
  • Adjustable Output Down to 1.2 V
  • 100-mA Output Current
  • Capable of Handling up to 40V VIN
  • Line Regulation Typically 0.01% /V
  • Load Regulation Typically 0.1% /A
  • No Output Capacitor Required (†)
  • Current Limit Constant With Temperature
  • Eliminates the Need to Stock Many Voltages
  • Standard 3-Lead Transistor Package
  • 80-dB Ripple Rejection
  • Available in 3-Pin TO-92, 8-Pin SOIC, or 6-pin DSBGA Packages
  • Output is Short-Circuit Protected
  • See AN-1112 (SNVA009) for DSBGA Considerations
  • Adjustable Output Down to 1.2 V
  • 100-mA Output Current
  • Capable of Handling up to 40V VIN
  • Line Regulation Typically 0.01% /V
  • Load Regulation Typically 0.1% /A
  • No Output Capacitor Required (†)
  • Current Limit Constant With Temperature
  • Eliminates the Need to Stock Many Voltages
  • Standard 3-Lead Transistor Package
  • 80-dB Ripple Rejection
  • Available in 3-Pin TO-92, 8-Pin SOIC, or 6-pin DSBGA Packages
  • Output is Short-Circuit Protected
  • See AN-1112 (SNVA009) for DSBGA Considerations

The LM317L-N is an adjustable positive voltage regulator capable of supplying 100 mA over a 1.2-V to 37-V output range. The LM317L-N is easy to use and requires only two external resistors to set the output voltage. Both line and load regulation are better than standard fixed regulators. The LM317L-N is available packaged in a standard, easy-to-use
TO-92 transistor package.

The LM317L-N offers full overload protection. Included on the chip are current limit, thermal overload protection, and safe area protection. Normally, no capacitors are required unless the device is situated more than 6 inches from the input filter capacitors, in which case an input bypass is required.

The LM317L-N uses floating topology and sees only the input-to-output differential voltage, therefore supplies of several hundred volts can be regulated, provided the maximum input-to-output differential is not exceeded. The device makes a simple adjustable switching regulator, a programmable output regulator, or by connecting a fixed resistor between the adjustment and output, the LM317L-N can be used as a precision current regulator.

The LM317L-N is available in a standard 3-pin TO-92 transistor package, the 8-pin SOIC package, and 6-pin DSBGA package. The LM317L-N is rated for operation over a −40°C to 125°C range.

The LM317L-N is an adjustable positive voltage regulator capable of supplying 100 mA over a 1.2-V to 37-V output range. The LM317L-N is easy to use and requires only two external resistors to set the output voltage. Both line and load regulation are better than standard fixed regulators. The LM317L-N is available packaged in a standard, easy-to-use
TO-92 transistor package.

The LM317L-N offers full overload protection. Included on the chip are current limit, thermal overload protection, and safe area protection. Normally, no capacitors are required unless the device is situated more than 6 inches from the input filter capacitors, in which case an input bypass is required.

The LM317L-N uses floating topology and sees only the input-to-output differential voltage, therefore supplies of several hundred volts can be regulated, provided the maximum input-to-output differential is not exceeded. The device makes a simple adjustable switching regulator, a programmable output regulator, or by connecting a fixed resistor between the adjustment and output, the LM317L-N can be used as a precision current regulator.

The LM317L-N is available in a standard 3-pin TO-92 transistor package, the 8-pin SOIC package, and 6-pin DSBGA package. The LM317L-N is rated for operation over a −40°C to 125°C range.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet LM317L-N Wide VIN 100-mA Adjustable Voltage Regulator datasheet (Rev. L) PDF | HTML 19 Jan 2018
Application note LDO PSRR Measurement Simplified (Rev. A) PDF | HTML 09 Aug 2017
Application note Linear power for automated industrial systems 09 Jan 2015
Application note AN-1148 Linear Regulators: Theory of Operation and Compensation (Rev. B) 06 Mai 2013
Application note AN-182 Improving Power Supply Reliability with IC Power Regulators (Rev. B) 05 Mai 2013
More literature Die D/S LM317L MDA 3-Terminal Adj Regulator 20 Sep 2012
Application note TO-92 Packing Options / Ordering Instructions (Rev. A) 23 Jun 2010

Design und Entwicklung

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Gehäuse Pins Herunterladen
DSBGA (YPB) 6 Optionen anzeigen
SOIC (D) 8 Optionen anzeigen
TO-92 (LP) 3 Optionen anzeigen
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