100-mA, negative linear voltage regulator

MC79L is in the process of being discontinued
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TPS7A30 ACTIVE 200-mA, low-noise, high-PSRR, negative, adjustable low-dropout voltage regulator with enable Adjustable version, improved accuracy.

Product details

Output options Fixed Output Iout (max) (A) 0.1 Vin (max) (V) -7 Vin (min) (V) -20 Vout (max) (V) -5 Vout (min) (V) -15 Fixed output options (V) -15, -12, -5 Noise (µVrms) 40 Iq (typ) (mA) 6 Thermal resistance θJA (°C/W) 97 Rating Catalog Load capacitance (min) (µF) 0 Regulated outputs (#) 1 Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 1700 Operating temperature range (°C) 0 to 125
Output options Fixed Output Iout (max) (A) 0.1 Vin (max) (V) -7 Vin (min) (V) -20 Vout (max) (V) -5 Vout (min) (V) -15 Fixed output options (V) -15, -12, -5 Noise (µVrms) 40 Iq (typ) (mA) 6 Thermal resistance θJA (°C/W) 97 Rating Catalog Load capacitance (min) (µF) 0 Regulated outputs (#) 1 Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 1700 Operating temperature range (°C) 0 to 125
SOIC (D) 8 29.4 mm² 4.9 x 6 TO-92 (LP) 3 19.136 mm² 5.2 x 3.68
  • 3-Terminal Regulators
  • Output Current up to 100 mA
  • No External Components Required
  • Internal Thermal-Overload Protection
  • Internal Short-Circuit Current Limiting
  • Direct Replacement for Industry-Standard MC79L00 Series
  • Available in 5% or 10% Selections
  • 3-Terminal Regulators
  • Output Current up to 100 mA
  • No External Components Required
  • Internal Thermal-Overload Protection
  • Internal Short-Circuit Current Limiting
  • Direct Replacement for Industry-Standard MC79L00 Series
  • Available in 5% or 10% Selections

This series of fixed negative-voltage integrated-circuit voltage regulators is designed for a wide range of applications. These include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, they can be used to control series pass elements to make high-current voltage-regulator circuits. One of these regulators can deliver up to 100 mA of output current. The internal current-limiting and thermal-shutdown features essentially make the regulators immune to overload. When used as a replacement for a Zener-diode and resistor combination, these devices can provide an effective improvement in output impedance of two orders of magnitude, with lower bias current.

This series of fixed negative-voltage integrated-circuit voltage regulators is designed for a wide range of applications. These include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, they can be used to control series pass elements to make high-current voltage-regulator circuits. One of these regulators can deliver up to 100 mA of output current. The internal current-limiting and thermal-shutdown features essentially make the regulators immune to overload. When used as a replacement for a Zener-diode and resistor combination, these devices can provide an effective improvement in output impedance of two orders of magnitude, with lower bias current.

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Technical documentation

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* Data sheet MC79L00 SERIES datasheet (Rev. D) 07 Aug 2003
Application note LDO Noise Demystified (Rev. B) PDF | HTML 18 Aug 2020
Application note LDO PSRR Measurement Simplified (Rev. A) PDF | HTML 09 Aug 2017

Design & development

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SOIC (D) 8 View options
TO-92 (LP) 3 View options

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