Overview
The ADP7158ARDZ-3.3-R7 is a high-performance linear voltage regulator produced by Analog Devices Inc. This regulator is part of the ADP7158 series, known for its high power supply rejection ratio (PSRR) and ultra-low noise characteristics. It operates from an input voltage range of 2.3 V to 5.5 V and provides a fixed output voltage of 3.3 V with a maximum load current of 2 A. The ADP7158ARDZ-3.3-R7 is available in an 8-lead SOIC package, offering a compact and thermally efficient solution for various applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage Range | VIN | 2.3 | 5.5 | V | |
| Output Voltage | VOUT | 3.3 | 3.3 | V | |
| Maximum Load Current | ILOAD | 2 | A | ||
| Operating Supply Current (ILOAD = 0 mA) | IGND | 4.0 | 8.0 | 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 | ||
| Minimum Input Capacitance | CIN | 7 | 10.0 | µF | |
| Minimum Output Capacitance | COUT | 7 | 10.0 | µF |
Key Features
- High power supply rejection ratio (PSRR) for excellent line and load transient response.
- Ultra-low 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.
- Compact packaging: Available in 8-lead SOIC and 10-lead LFCSP packages, providing excellent thermal performance.
- Wide input voltage range: 2.3 V to 5.5 V.
- Fixed output voltage: 3.3 V with other voltages available in the ADP7158 series.
- Low dropout voltage and high current capability up to 2 A.
- Shutdown feature for power saving.
Applications
- Wireless infrastructure and base stations.
- RF and microwave systems.
- High-performance audio and video equipment.
- Medical devices requiring low noise and high stability.
- Industrial control systems and automation.
- Portable and battery-powered devices.
Q & A
- What is the input voltage range of the ADP7158ARDZ-3.3-R7?
The input voltage range is from 2.3 V to 5.5 V.
- What is the maximum load current of the ADP7158ARDZ-3.3-R7?
The maximum load current is 2 A.
- What are the available package types for the ADP7158ARDZ-3.3-R7?
The regulator is available in 8-lead SOIC and 10-lead LFCSP packages.
- What is the typical output noise of the ADP7158ARDZ-3.3-R7?
The typical 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 is the recommended minimum capacitance for the input and output capacitors?
The minimum capacitance for both input and output capacitors is 7 µF.
- Does the ADP7158ARDZ-3.3-R7 have a shutdown feature?
- What are some common applications for the ADP7158ARDZ-3.3-R7?
- What type of capacitors are recommended for use with the ADP7158ARDZ-3.3-R7?
- What is the operating temperature range of the ADP7158ARDZ-3.3-R7?
- How does the ADP7158ARDZ-3.3-R7 achieve high PSRR and low noise?
