The TPS79901 family of low-dropout (LDO), low-power linear regulators offers excellent ac
performance with very low ground current. High power-supply rejection ratio (PSRR), low noise, fast
start-up, and excellent line and load transient response are provided while consuming a very low
40-µA (typical) ground current.
The TPS79901 is stable with ceramic capacitors and uses an advanced BiCMOS fabrication
process to yield a dropout voltage of typically 100 mV at a
200-mA output. The TPS79901 uses a precision voltage reference and feedback loop to achieve
an overall accuracy of 2% over all load, line, process, and temperature variations. The TPS79901
features inrush current protection when the EN toggle is used to start the device, immediately
clamping the current.
The TPS79901 is fully specified over the temperature range of TJ =
–55°C to +125°C, and offered in a low-profile, ideal for wireless handsets and WLAN cards.
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