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SM72238
  • SM72238
  • SM72238
  • SM72238
  • SM72238

SM72238

ACTIVE

Micropower voltage regulator

Texas Instruments SM72238 Product Info

1 April 2026 4

Parameters

Rating

Catalog

Iout (max) (A)

0.1

Output options

Adjustable Output, Fixed Output

Vout (max) (V)

5

Vout (min) (V)

3.3

Fixed output options (V)

3.3, 5

Load capacitance (min) (µF)

1

Regulated outputs (#)

1

Accuracy (%)

3

Operating temperature range (°C)

-40 to 125

Package

TO-252 (NDP)-3-65.2078 mm² 6.58 x 9.91

Features

  • Renewable Energy Grade
  • High-Accuracy Output Voltage
  • Ensured 100mA Output Current
  • Extremely Low Quiescent Current
  • Low Dropout Voltage
  • Extremely Tight Load and Line Regulation
  • Very Low Temperature Coefficient
  • Use as Regulator or Reference
  • Needs Minimum Capacitance for Stability
  • Current and Thermal Limiting
  • Stable With Low-ESR Output Capacitors (10mΩ to 6Ω)

All trademarks are the property of their respective owners.

  • Renewable Energy Grade
  • High-Accuracy Output Voltage
  • Ensured 100mA Output Current
  • Extremely Low Quiescent Current
  • Low Dropout Voltage
  • Extremely Tight Load and Line Regulation
  • Very Low Temperature Coefficient
  • Use as Regulator or Reference
  • Needs Minimum Capacitance for Stability
  • Current and Thermal Limiting
  • Stable With Low-ESR Output Capacitors (10mΩ to 6Ω)

All trademarks are the property of their respective owners.

Description

The SM72238 is a micropower voltage regulator with very low quiescent current (75µA typ.) and very low dropout voltage (typ. 40mV at light loads and 380mV at 100mA). It is ideally suited for use in battery-powered systems. Furthermore, the quiescent current of the SM72238 increases only slightly in dropout, prolonging battery life.

The SM72238 is available in the surface-mount D-Pak package.

Careful design of the SM72238 has minimized all contributions to the error budget. This includes a tight initial tolerance (.5% typ.), extremely good load and line regulation (.05% typ.) and a very low output voltage temperature coefficient, making the part useful as a low-power voltage reference.

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