The TPS793xx-Q1 family of low-dropout (LDO) low-power linear voltage regulators features
high power-supply rejection ratio (PSRR), ultralow noise, fast start-up, and excellent line and
load transient responses in a small-outline SOT-23 package. Each TPS793-Q1 device in the family is
stable, with a small 2.2-µF ceramic capacitor on the output. The TPS793xx-Q1 family uses an
advanced, proprietary, BiCMOS fabrication process to yield extremely low dropout voltages (for
example, 112 mV at 200 mA, TPS79330-Q1). Each device achieves fast start-up times (approximately
50 µs with a 0.001-µF bypass capacitor), while consuming very low quiescent current (170 µA
typical). Moreover, when the device is placed in standby mode, the supply current is reduced to
less than 1 µA. The TPS79328-Q1 exhibits approximately 32 µVRMS of output
voltage noise with a 0.1-µF bypass capacitor. Applications with analog components that are noise
sensitive, such as portable RF electronics, benefit from the high PSRR and low-noise features, as
well as the fast response time.
The TPS793xx-Q1 family of low-dropout (LDO) low-power linear voltage regulators features
high power-supply rejection ratio (PSRR), ultralow noise, fast start-up, and excellent line and
load transient responses in a small-outline SOT-23 package. Each TPS793-Q1 device in the family is
stable, with a small 2.2-µF ceramic capacitor on the output. The TPS793xx-Q1 family uses an
advanced, proprietary, BiCMOS fabrication process to yield extremely low dropout voltages (for
example, 112 mV at 200 mA, TPS79330-Q1). Each device achieves fast start-up times (approximately
50 µs with a 0.001-µF bypass capacitor), while consuming very low quiescent current (170 µA
typical). Moreover, when the device is placed in standby mode, the supply current is reduced to
less than 1 µA. The TPS79328-Q1 exhibits approximately 32 µVRMS of output
voltage noise with a 0.1-µF bypass capacitor. Applications with analog components that are noise
sensitive, such as portable RF electronics, benefit from the high PSRR and low-noise features, as
well as the fast response time.