The TPS7A53B is a low-noise (4.6µVRMS), ultra-low dropout linear regulator (LDO) capable of sourcing 3A with only 110mV of maximum dropout. The device output voltage is adjustable from 0.5V to 5.15V using an external resistor divider.
The combination of low noise (4.6µVRMS), high PSRR, and high output current capability makes the TPS7A53B a great solution for powering noise-sensitive components. Applications include high-speed communications, video, medical, or test and measurement. The high PSRR and low noise performance of this device limits power-supply-generated phase noise and clock jitter, making this device a good choice for powering high-performance serializers and deserializers (SerDes), analog-to-digital converters (ADCs), and digital-to-analog converters (DACs). Specifically, RF amplifiers benefit from the high performance and 5.15V output capability of the device.
For digital loads [such as application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), and digital signal processors (DSPs)] requiring low-input, low-output (LILO) voltage operation, the exceptional accuracy (0.5% over load and temperature), remote sensing, excellent transient performance, and soft-start capabilities of the TPS7A53B provides optimal system performance.
As an adjustable voltage regulator, the design of the TPS7A53B offers versatility. This versatility makes the device a component of choice for analog loads such as voltage-controlled oscillators (VCOs), ADCs, DACs, and imaging sensors and for digital loads such as SerDes, FPGAs, and DSPs.
| Documentación principal | Tipo | Título | Opciones de formato | Fecha |
|---|---|---|---|---|
| * | Data sheet | TPS7A53B 3A, Low-Input Voltage, Low-Noise, High-Accuracy, Low-Dropout (LDO) Voltage Regulator datasheet (Rev. A) | PDF | HTML | 19 ene 2024 |
| White paper | Demystifying LDO Turn-On (Start-Up) Time (Rev. B) | PDF | HTML | 10 mar 2026 | |
| White paper | Reduce System Noise Using Parallel LDOs | PDF | HTML | 03 nov 2025 | |
| White paper | Parallel LDO Architecture Design Using Ballast Resistors | PDF | HTML | 14 dic 2022 | |
| White paper | Comprehensive Analysis and Universal Equations for Parallel LDO's Using Ballast | PDF | HTML | 13 dic 2022 |
Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.
El módulo de evaluación (EVM) TPS7A53 está diseñado para una configuración típica a fin de evaluar el funcionamiento y el rendimiento del dispositivo TPS7A53, que es un regulador de voltaje de caída baja (LDO), de 3-A, baja-VIN, baja-VOUT, y alta precisión.
La placa de circuito del EVM está (...)
The parallel low-dropout (LDO) calculator is a Microsoft® Excel®-based tool that provides worst-case analysis for parallel LDO regulators using ballast resistors. The tool helps the user identify the minimum number of parallel LDO regulators required and optimum ballast resistance for a (...)
| Encapsulado | Pines | Símbolos CAD, huellas y modelos 3D |
|---|---|---|
| VQFN-HR (RPS) | 12 | Ultra Librarian |
Los productos recomendados pueden tener parámetros, módulos de evaluación o diseños de referencia relacionados con este producto de TI.
El contenido lo proporcionan “tal como está” TI y los colaboradores de la comunidad y no constituye especificaciones de TI. Consulte los términos de uso.
Si tiene alguna pregunta sobre calidad, encapsulados o pedido de productos de TI, consulte el servicio de asistencia de TI.
Parallel LDO Calculator using ballast resistors
Initial Release