The LD49150xx is a high-bandwidth, low-dropout, 1.5A voltage regulator, ideal for powering core voltages of low-power microprocessors. The LD49150xx implements a dual supply configuration allowing for very low output impedance and very fast transient response. The LD49150xx requires a bias input supply and a main input supply, allowing for ultra-low input voltages on the main supply rail. The input supply operates from 1.4V to 5.5V and the bias supply requires between 3V and 6V for proper operation. The LD49150xx offers fixed output voltages from 0.8V to 1.8V and adjustable output voltages down to 0.8V. The LD49150xx requires a minimum output capacitance for stability, and work optimally.
The LD49150xx series is a high-bandwidth, low-dropout voltage regulator designed for powering core voltages of low-power microprocessors. It features a dual supply configuration with a main input supply (1.4 V to 5.5 V) and a bias supply (3 V to 6 V), enabling ultra-low input voltages on the main rail. The device offers fixed output voltages from 0.8 V to 1.8 V and adjustable options down to 0.8 V, with a maximum dropout voltage of 200 mV over temperature.
| Output current | 1.5 A |
|---|---|
| Input voltage range | 1.4 V to 5.5 V |
| Bias supply voltage | 3 V to 6 V |
| Output voltage range | 0.8 V to 4.5 V |
| Maximum dropout voltage | 200 mV |
| Output voltage accuracy | ±1.5 % |
| Junction temperature range | -25 °C to 125 °C |
The device offers fixed output voltages from 0.8 V to 1.8 V and adjustable output voltages down to 0.8 V.
The maximum dropout voltage is 200 mV over temperature.
The LD49150xx is available in PPAK and DFN6 (3x3 mm) packages.