REG113NA-3.3/250

The REG113NA-3.3/250 is a 400mA low-noise low-dropout Regulator with low ground pin current. Its new DMOS topology provides significant improvement over previous designs, including low-dropout voltage (only 250mV typical 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. Typical ground pin current is only 850µA (at IOUT = 400mA) and drops to 10nA when not enabled. Unlike regulators with PNP pass devices, quiescent current remains relatively constant over load variations and under dropout conditions.

• Cap-free DMOS topology
• Fast transient response
• 28µVrms Very low noise
• Foldback current limit
• Thermal protection
• Green product and no Sb/Br

Applications

Portable Devices, Automation & Process Control, Communications & Networking