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SPX2954

MaxLinear
Part Number SPX2954
Manufacturer MaxLinear
Description 250mA Low Dropout Voltage Regulator
Published Sep 1, 2018
Detailed Description SPX2954 250mA Low Dropout Voltage Regulator Description The SPX2954 and SPX2954A are low power voltage regulators. Thes...
Datasheet PDF File SPX2954 PDF File

SPX2954
SPX2954


Overview
SPX2954 250mA Low Dropout Voltage Regulator Description The SPX2954 and SPX2954A are low power voltage regulators.
These devices are an excellent choice for use in battery-powered applications such as cordless telephones, radio control systems, and portable computers.
The SPX2954 and SPX2954A feature low quiescent current and low dropout voltage (typ.
20mV at 100µA and 310mV at 250mA).
This includes a tight initial tolerance (0.
5% for SPX2954A), extremely good load and line regulation (0.
05% typ.
), and very low output temperature coefficient (20 ppm/°C typ.
), making the SPX2954/SPX2954A useful as a low-power voltage reference.
The error flag output feature is used as a power-on reset for warning of a low output voltage, due to a falling input voltage.
The logiccompatible shutdown feature enables the regulator to be switched ON and OFF.
The SPX2954/SPX2954A is offered in a 3-pin SOT-223 package and an 8-pin SOIC package.
SOT-223-3 is available, SOIC-8 is obsolete FEATURES ■ 5.
0V and 3.
3V versions at 250mA output ■ Accurate 0.
5% for SPX2954A ■ Very low quiescent current ■ Low dropout: 310mV at 250mA ■ Extremely tight load and line regulation ■ Very low temperature coefficient ■ Current and thermal limiting ■ Need only 1µF for stability ■ Direct replacement for LP2954 ■ Error flag warns of output dropout ■ Logic-controlled electronic shutdown ■ Programmable output from 1.
24V to 30V Typical Application VIN 100K ERROR OUTPUT SHUTDOWN INPUT 5 ERROR 8 VIN 1 VOUT SPX2954 3 SD GND 4 FB 7 1.
23V 1.
2 to 30V + R1 3.
3μF .
01μF VREF R2 Typical Application • www.
maxlinear.
com• 270DSR00 SPX2954 Absolute Maximum Ratings Stresses beyond the limits listed below may cause permanent damage to the device.
Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime.
Power Dissipation.
.
.
Internally Limited Lead Temperature (soldering, 5 seconds).
.
.
260°C Storage Tempera...


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