SPX1585 Datasheet | MaxLinear

Description The SPX1585 is a very easy-to-use low-power 5A adjustable and fixed voltage regulator. It requires only two external resistors to set the output voltage for the adjustable version. The SPX1585 device is designed for low-voltage applications that offer lower dropout voltage and faster transient response. This device is an excellent choice for use in powering low-voltage microprocessors that require lower dropout and faster transient response to regulate from 2.5V to 3.8V supplies, and as a post-regulator for switching supplies applications. The SPX1585 features low dropout of a maximum of 1.2V. The SPX1585 offers full protection against overcurrent faults, reversed input polarity, reversed load insertion, and positive and negative transient voltage. On-chip trimming adjusts the reference voltage to 1%. The IQ of this device flows into the load, which increases efficiency. The SPX1585 device is offered in a 3-pin TO-263 package patible with other 3-terminal regulators. Features - Adjustable output down to 1.25V - Output current of 5A - Low dropout voltage 1.1V typ at 5A - Extremely tight load and line regulation - Current and thermal limiting - Standard 3-terminal low-cost TO-263 - patible with industry standard LT1085/LT1585 Applications - Microprocessor core and memory supplies - Low-cost 3.3V, 2.5V, 1.8V, and 1.5V I/O power - 5.5V to 5V conversion with high power supply rejection ratio (PSRR) isolation - SMPS post-regulator - High-efficiency linear power supplies - Instrumentation - Constant current regulators - Battery charger Typical Application IN SPX1585 OUT VOUT 10μF ADJ 10μF R1 VOUT = VREF (1 + R2 ) + IADJ R2 R2 R1 Figure 1: Typical Adjustable Regulator Max Linear Confidential - .maxlinear. - 252DSR00 SPX1585 Data Sheet Revision History Revision 252DSR00 Release Date May 17, 2023 Rev1A July 5,...