The NCP729 is a 200 mA LDO suitable to provide clean analog power supply rails for noise sensitive applications. This device features Ultra-Low Noise performance, High Power Supply Rejection Ratio and Very good transient response characteristics. Very Low Dropout and Very Low Quiescent Current makes this LDO an attractive choice for wide range of battery powered, portable products. Current Limit and Thermal Shutdown provide protection during failure conditions. NCP729 is available in 1.06 mm x 1.06 mm Chip Scale Package and it is stable with small 1 uF Ceramic capacitors.
特性
优势
Operating Input Voltage Range: 2.0V to 5.5V
Well suited for battery powered applications
Ultra-Low Output Noise: Typ. 11µVrms from 100Hz to 100kHz
Very well suited for noise sensitive applications
Ultra-Low No-Load Ground Current of Typ. 35µA
Improved efficiency during ligh-load conditions
High Ripple Rejection Ratio: Typ. 72dB @ 1kHz
Effectively filters the supply line noise
Stable with small 1µF ceramic output capacitor
Small solution size
Available Fixed Output Voltage Options: 0.8V to 3.5V
Sub-bandgap output voltages avaliable
Output voltage trimming step: 2.5mV
Output voltage can be trimmed precisely according to specific customer needs
Enable/Shutdown Pin Function
Allows to turn ON/OFF the Regulator using logic I/O signal
Ultra-Low Shutdown Mode Current: Max. 1µA
Minimizes battery drain when placed in the Shutdown Mode
Active Output Discharge
Fast Output Voltage Turn-off
Ouput Short Circuit and Current Limit Protection
Assures robust design
Thermal Shutdown Protection
Protects from overheating
Very-Low Dropout Voltage: Typ. 86mV @ 200mA
Supports applications with very low Input to Output Voltage requirements
Available in small 1.06mm x 1.06mm 4-bump CSP package
Very well suited for space-constrained applications
Output Voltage Accuracy: ±2.0% over load/line and temperature variations
Supports applications with tight regulation requirements