The Texas Instruments REG113 is a family of low-noise, low-dropout linear regulators with low ground pin current. Its new DMOS topology provides significant improvement over previous designs, including low-dropout voltage (only 250mV typ at full load), and better transient performance. In addition, no output capacitor is required for stability, unlike conventional low-dropout regulators that are difficult to compensate and require expensive low ESR capacitors greater than 1μF.

CAP-FREE DMOS TOPOLOGY:
Ultra Low Dropout Voltage: 250mV typ at 400mA, Output capacitor not required for stability
UP TO 500mA PEAK, TYPICAL
FAST TRANSIENT RESPONSE
VERY LOW NOISE: 28 μVrms
HIGH ACCURACY: ±1.5% max
HIGH EFFICIENCY:IGND = 850 μA at IOUT = 400mA
Not Enabled: IGND = 0.01 μA
2.5V, 2.85V, 3.0V, 3.3V, AND 5.0V OUTPUT VERSIONS
OTHER OUTPUT VOLTAGES AVAILABLE UPON REQUEST
FOLDBACK CURRENT LIMIT
THERMAL PROTECTION
SMALL SURFACE-MOUNT PACKAGES:
SOT23-5 and MSOP-8

LDO (Low Dropout) Linear Voltage Regulators, Texas Instruments

A range of Texas Instruments Low Dropout (LDO) Linear Voltage regulators. LDO voltage regulators are able to operate with a small input-output differential making them suitable for a variety of applications where conventional regulators would be unsatisfactory. The latest generation of LDO regulators offers low quiescent current levels and reduced output noise together with excellent line voltage regulation and high PSRR.