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The RT2519W is a high performance positive low dropout (LDO) regulator designed for applications requiring very low dropout voltage and ultra high Power Supply Ripple Rejection (PSRR) at up to 1A. The input voltage range is from 2.2V to 6V and the output voltage is programmable as low as 0.8V. A P-MOSFET switch provides excellent transient response with just a 4.7μF ceramic output capacitor. The external enable control effectively reduces power dissipation while shutdown and further output noise immunity is achieved through bypass capacitor on NR pin. Additionally, the RT2519W features a precise 3% output regulation over line, load, and temperature variations. The device is available in the VDFN-8AL 3x3 package and is specified from -40°C to 125°C.
Very Low Dropout : 170mV Typical at 1A
Ultra High PSRR : 63dB @ 1kHz, 38dB @ 1MHz
Input Voltage Range : 2.2V to 6V
Adjustable Output Voltage : 0.8V to 5.5V
-40°C to 125°C Operating Junction Temperature Range
Excellent Noise Immunity
Fast Response Over Load and Line Transient
Stable with a 4.7μF Output Ceramic Capacitor
Accurate Output Voltage 3% Over Load, Line, Process, and Temperature Variations
Enable Control
Over-Current Protection
Over-Temperature Protection
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