TPS79433DGNTG4 Description
The MSOP-8 PowerPAD? and SOT223-6 packages of the TPS79433DGNTG4 low-dropout (LDO) linear voltage regulator offer high power-supply rejection ratio (PSRR), ultralow-noise, quick startup, and outstanding line and load transient responses. A modest 2.2-μF ceramic capacitor on the output of every member of the family stabilizes the gadget. The family produces extremely low dropout voltages with the use of a sophisticated, exclusive BiCMOS production technique (for example, 155 mV at 250 mA). Each device has quick start-up times (about 50 μs with a 0.001-μF bypass capacitor) and typically uses only 170 μA of quiescent current. Additionally, the supply current is decreased to less than 1 μA when the device is switched to standby mode.
The high PSRR and low noise characteristics, as well as the quick response time, are advantageous for applications with analog components that are noise-sensitive, such as portable RF electronics.
TPS79433DGNTG4 Features
Fast Start-Up Time (50 μs)
Stable With a 2.2-μF Ceramic Capacitor
Excellent Load/Line Transient Response
Very Low Dropout Voltage (155 mV at Full Load)
Available in MSOP-8 and SOT223-6 Packages
250-mA Low-Dropout Regulator With Enable
Available in Fixed and Adjustable (1.2 V to 5.5 V) Versions
High PSRR (60 dB at 10 kHz)
TPS79433DGNTG4 Applications
Bluetooth?, Wireless LAN
Cellular and Cordless Telephones
Handheld Organizers, PDAs
RF: VCOs, Receivers, ADCs
Audio
