Automotive, 1.5-A, 0.8-V low-noise adjustable LDO voltage regulator with power good and enable

The TPS748A-Q1 low-dropout (LDO) linear regulator provides an easy-to-use

robust power management solution for a wide variety of applications.

User-programmable soft-start minimizes stress on the input power source by reducing

capacitive inrush current on start-up. The soft-start is monotonic and designed for

powering many different types of processors and application-specific integrated

circuits (ASICs). The enable input and power-good output allow easy sequencing with

external regulators. This complete flexibility enables a solution to be configured

that meets the sequencing requirements of many applications. Field-programmable gate

arrays (FPGAs), digital signal processors (DSPs), and other applications with

special start-up requirements are some examples that benefit from this complete

flexibility.

A precision reference and error

amplifier deliver 2% accuracy over load, line, temperature, and process. The device

is stable with any type of capacitor greater than or equal to 2.2µF, and is fully

specified for TJ = –40°C to +150°C. The TPS748A-Q1 is offered in a small, 3mm × 3mm, VSON-10 package, yielding a

highly compact, total solution size.