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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.
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | SM72238 Micropower Voltage Regulator datasheet (Rev. C) | 01 Apr 2013 | |
| Application note | A Topical Index of TI LDO Application Notes (Rev. F) | 27 Jun 2019 | ||
| 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-2122 SM3320-RF-EV Reference Design (Rev. E) | 06 Mai 2013 | ||
| Application note | SM3320-BATT-EV Charge Controller Reference Design (Rev. C) | 06 Mai 2013 | ||
| Application note | AN-1482 LDO Regulator Stability Using Ceramic Output Capacitors (Rev. A) | 25 Apr 2013 | ||
| Application note | Packaging Limits Range of Linear Regulators | 08 Mai 2010 | ||
| Application note | Digital Designer's Guide to Linear Voltage Regulators & Thermal Mgmt (LDO) (Rev. A) | 04 Jun 2008 | ||
| Application note | Understanding the Terms and Definitions of LDO Voltage Regulators | 21 Okt 1999 |
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|---|---|---|
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