The RTQ2503S is a high-current (3A), low-noise
(4.4μVRMS), high accuracy (1% over line, load, and
temperature), low-dropout linear regulator (LDO) capable
of sourcing 3A with extremely low dropout (max. 180mV).
The device output voltage is pin-selectable (up to 3.95V)
using a PCB layout without the need of external resistors,
thus reducing overall component count. Designers can
achieve higher output voltage with the use of external
resistor divider. The device supports single input supply
voltage as low to 1.1V that makes it easy to use.
The low noise, high PSRR and high output current capability
makes the RTQ2503S ideal to power noise-sensitive
devices such as analog-to-digital converters (ADCs),
digital-to-analog converters (DACs), and RF components.
With very high accuracy, remote sensing, and soft-start
capabilities to reduce inrush current, the RTQ2503S is
ideal for powering digital loads such as FPGAs, DSPs,
and ASICs.
The external enable control and power good indicator
function makes the sequence control easier. The output
noise immunity is enhanced by adding external bypass
capacitor on NR/SS pin. The device is fully specified over
the temperature range of TJ = −40°C to 125°C and is offered
in a WQFN-20L 3.5x3.5 package.资料下载
