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LDO

Harsh Ranjan
Prodigy 10 points
Other Parts Discussed in Thread: TLV758P, PCA9557
Need a low dropout (LDO) regulator with following specifications:
(1) Input Voltage is either 3.3 V or 5.0 V
(2) Output Voltage is adjustable from 0 V to 3 V.
(3) Output current must be less than 500 mA. and
(4) Its interface must be I2C/SPI.
  • 0
    TI__Guru 55940 points
    Hi Harsh,

    We do not have an LDO that fits your application in a single chip solution at this time. TLV758P can be used with an I2C expander such as PCA9557 and additional external resistors to achieve an adjustable output from 0.55 V to 3 V similar to the following Application Report; however, we do not have a positive LDO that will regulate down to 0 V.

    www.ti.com/.../sbva035a.pdf

    Very Respectfully,
    Ryan