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AN766
| Title |
Title
Pin-Compatible CMOS Upgrades to Bipolar LDOs
|
|---|---|
| Name |
Name
AN766
|
| Date |
Date
06/24/2015
|
| Product Categories |
Product Categories
Power Management ICs /
Switching Regulator
|
| Description |
Description
Bipolar low dropout regulators (LDOs) have become common place in a variety of portable applications, such as cell phones, pagers and PDAs. Their popularity stems from small packaging, high output current capability and precision output voltage specifications. However, the bipolar process technology from which these devices are fabricated brings inherent disadvantages, such as excessive supply current. This application note outlines the advantages of small geometry CMOS LDOs over bipolar LDOs and provides comparative test data of key regulator specifications for a popular pin-compatible bipolar LDO over Microchip’s CMOS LDOs.
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