Overview
The ADP7158ACPZ-2.5-R7 is a high-performance, ultralow noise linear regulator produced by Analog Devices Inc. This regulator is designed to operate from an input voltage range of 2.3 V to 5.5 V and provides a fixed output voltage of 2.5 V. It is capable of delivering up to 2 A of output current, making it suitable for a variety of applications requiring low noise and high power supply rejection ratio (PSRR).
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage Range | VIN | 2.3 | 5.5 | V | |
| Output Voltage | VOUT | 2.5 | 2.5 | V | |
| Load Current | ILOAD | 2 | A | ||
| Operating Supply Current (ILOAD = 0 mA) | IGND | 4.0 | 8.0 | mA | |
| Operating Supply Current (ILOAD = 2 A) | IGND | 9.0 | 14.0 | mA | |
| Shutdown Current | IIN_SD | 0.2 | 4 | µA | |
| Output Noise (10 Hz to 100 kHz) | OUTNOISE | 1.6 | µV rms | ||
| Output Noise (100 Hz to 100 kHz) | OUTNOISE | 0.9 | µV rms | ||
| Input Capacitance | CIN | 7 | 10.0 | µF | |
| Output Capacitance | COUT | 7 | 10.0 | µF |
Key Features
- Ultralow noise: 0.9 µV rms total integrated noise from 100 Hz to 100 kHz and 1.6 µV rms from 10 Hz to 100 kHz.
- High power supply rejection ratio (PSRR) for excellent line and load transient response.
- Compact packaging: Available in 10-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC packages.
- High output current: Up to 2 A of output current.
- Wide input voltage range: Operates from 2.3 V to 5.5 V.
- Low dropout voltage and high accuracy output voltage.
Applications
The ADP7158ACPZ-2.5-R7 is suitable for various applications requiring low noise and high PSRR, such as:
- RF and microwave systems.
- Audio and video equipment.
- Medical devices and diagnostic equipment.
- Industrial control systems and automation.
- High-performance computing and data storage systems.
Q & A
- What is the input voltage range of the ADP7158ACPZ-2.5-R7? The input voltage range is from 2.3 V to 5.5 V.
- What is the output voltage of the ADP7158ACPZ-2.5-R7? The output voltage is fixed at 2.5 V.
- What is the maximum load current of the ADP7158ACPZ-2.5-R7? The maximum load current is up to 2 A.
- What are the noise specifications of the ADP7158ACPZ-2.5-R7? The output noise is 0.9 µV rms from 100 Hz to 100 kHz and 1.6 µV rms from 10 Hz to 100 kHz.
- What are the recommended input and output capacitances for the ADP7158ACPZ-2.5-R7? The minimum input and output capacitance must be greater than 7.0 µF.
- What are the package options for the ADP7158ACPZ-2.5-R7? It is available in 10-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC packages.
- What is the typical operating supply current of the ADP7158ACPZ-2.5-R7? The typical operating supply current is 8.0 mA when ILOAD = 0 mA and 14.0 mA when ILOAD = 2 A.
- What is the shutdown current of the ADP7158ACPZ-2.5-R7? The shutdown current is 0.2 µA to 4 µA.
- What types of capacitors are recommended for use with the ADP7158ACPZ-2.5-R7? X7R and X5R type capacitors are recommended.
- In what applications is the ADP7158ACPZ-2.5-R7 commonly used? It is commonly used in RF and microwave systems, audio and video equipment, medical devices, industrial control systems, and high-performance computing.
