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PST73128B Dataheets PDF



Part Number PST73128B
Manufacturers PowerSilicon
Logo PowerSilicon
Description 300mA Ultra Low LDR LDO
Datasheet PST73128B DatasheetPST73128B Datasheet (PDF)

PST731xxB 300mA Ultra Low LDR LDO  General Description The PST731xxB family of low-dropout (LDO), low-power linear regulators offers high power supply rejection ratio (PSRR) while maintaining very low 35A ground current. The family uses an advanced CMOS process and a PMOSFET pass device to achieve fast start-up, very low noise, excellent transient response, and excellent PSRR performance. The PST731xxB is stable with a 1.0F ceramic output capacitor, and uses a precision voltage reference and.

  PST73128B   PST73128B


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PST731xxB 300mA Ultra Low LDR LDO  General Description The PST731xxB family of low-dropout (LDO), low-power linear regulators offers high power supply rejection ratio (PSRR) while maintaining very low 35A ground current. The family uses an advanced CMOS process and a PMOSFET pass device to achieve fast start-up, very low noise, excellent transient response, and excellent PSRR performance. The PST731xxB is stable with a 1.0F ceramic output capacitor, and uses a precision voltage reference and feedback loop to achieve a worst-case accuracy of 3% over all load, line, process, and temperature variations. It is fully specified from TJ = –40°C to +125°C and is offered in a small TSOT23-5 package, a tiny SC70-5 package, and a ultra-small 2mm × 2mm DFN package with a thermal pad, which are ideal for small form factor portable equipment such as wireless handsets and PDAs. The PST731xxB is available in standard fixed output voltages of 1.2V (PST73112B), 1.5V (PST73115B), 1.8V (PS.


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