TPS78630KTT Description
The TPS786xx family of low-dropout (LDO) low-power linear voltage regulators features a high power-supply rejection ratio (PSRR), ultralow noise, fast start-up, and excellent line and load transient responses in small outline, S0T223-6, and DDPAK-5 packages. Each device in the family is stable, with a small 1-xF ceramic capacitor on the output. The family uses an advanced, proprietary BiCMOS fabrication process to yield extremely low dropout voltages (for example," 390 mV at 1.5 A). Each device achieves fast start-up times (approximately 50 ECS with a 0.001 uF bypass capacitor) while consuming very_ low. quiescent current (265 cA, typical). Moreover, when the device is placed in standby mode, the supply current is reduced to less than 1 xA The TPS78630 exhibits approximately 48 xVRMS of the output voltage at 3.0 V output noise with a 0.1 xcF bypass capacitor. Applications with analog components that are noise sensitive, such as portable RF electronics, benefit from the high PSRR, low noise features, and fast response time.
TPS78630KTT Features
1.5-A Low-Dropout Regulator With Enable :
Available in Fixed and Adjustable (1.2-V to
5.5-V) Output Versions
High PSRR (49 dB at 10 kHz}.
Ultralow Noise (48 oxVRMS; TPS78630)
Fast Start-Up Time (50 μs)
Stable With a 1-xF Ceramic Capacitor
Excellent Load/Line Transient Response
Very Low Dropout Voltage (390 mV at Full
Load, TP S78630)
6-Pin SOT223 and 5-Pin DDPAK Package
TPS78630KTT Applications
RF: VCOs, Receivers, ADCS
Audio
Bluetooth, Wireless LAN
Cellular and Cordless Telephones
Handheld Organizers, PDAs
