TI TPS73433DDCR

The TPS734xx 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 44μA (typical) ground current. The TPS734xx is stable with ceramic capacitors and uses an advanced BiCMOS fabrication process to yield a typical dropout voltage of 125mV at 250mA output. The TPS734xx uses a precision voltage reference and feedback loop to achieve overall accuracy of 2% over all load, line, process, and temperature variations. It is fully specified from TJ = -40°C to +125°C and is offered in low-profile ThinSOT-23, 2mm x 2mm SON, and 3mm x 3mm SON packages that are ideal for wireless handsets, printers, and WLAN cards.

• 250mA Low Dropout Regulator with EN
• Low IQ: 44μA
• Multiple Output Voltage Versions Available: Fixed Outputs of 1.0V to 4.3V Using Innovative Factory EEPROM Programming Adjustable Outputs from 1.25V to 6.2V
• High PSRR: 60dB at 1kHz
• Ultra-low Noise: 28μVRMS
• Fast Start-Up Time: 45μs
• Stable with a Low-ESR, 2.0μF Typical Output Capacitance
• Excellent Load/Line Transient Response
• 2% Overall Accuracy (Load/Line/Temp)
• Very Low Dropout: ±125mV at 250mA
• ThinSOT-23, 2mm x 2mm SON-6, and 3mm x 3mm SON-8 Packages

• WiFi, WiMax
• Printers
• Cellular Phones, SmartPhones
• Handheld Organizers, PDAs