Overview
The ADP7158ACPZ-3.0-R7 is a high-performance Linear Low Dropout (LDO) voltage regulator manufactured 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 up to 2 A of output current. It features an advanced proprietary architecture that ensures high power supply rejection ratio (PSRR) and ultralow noise, making it ideal for noise-sensitive applications.
The ADP7158ACPZ-3.0-R7 is available in compact 10-lead, 3 mm x 3 mm LFCSP and 8-lead SOIC packages, offering excellent thermal performance and a small footprint. This regulator is suitable for various applications requiring stable and low-noise power supply.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage Range | VIN | 2.3 | 5.5 | V | |
| Output Voltage | VOUT | 3.0 | V | ||
| Maximum Load Current | ILOAD | 2 | A | ||
| Power Supply Rejection Ratio (PSRR) | 50 | dB (at 1 kHz to 100 kHz) | |||
| Dropout Voltage | 200 | mV (at I = 2 A, VOUT = 3.0 V) | |||
| Operating Supply Current | IGND | 9 | 14 | mA (at ILOAD = 2 A) | |
| 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 | ||
| Noise Spectral Density (10 kHz to 1 MHz) | 1.7 | nV/√Hz | |||
| Minimum Operating Temperature | -40 | °C | |||
| Maximum Operating Temperature | 125 | °C | |||
| Package Type | 10-lead LFCSP, 8-lead SOIC |
Key Features
- High PSRR and Ultralow Noise: The ADP7158ACPZ-3.0-R7 features a high power supply rejection ratio (PSRR) of up to 50 dB from 1 kHz to 100 kHz and ultralow noise of 0.9 μV rms from 100 Hz to 100 kHz, making it suitable for noise-sensitive applications.
- High Output Current: Provides up to 2 A of output current, supporting a wide range of applications.
- Compact Packages: Available in 10-lead, 3 mm x 3 mm LFCSP and 8-lead SOIC packages, offering excellent thermal performance and a small footprint.
- Low Dropout Voltage: Typical dropout voltage of 200 mV at 2 A load current.
- Low Shutdown Current: Shutdown current as low as 0.2 μA.
- Protection Features: Includes overcurrent, overtemperature, and undervoltage lockout (UVLO) protection.
- Enable Function: Features an enable pin for easy power management.
Applications
- Noise-Sensitive Applications: Ideal for phase-locked loops (PLLs), voltage-controlled oscillators (VCOs), and other noise-sensitive circuits.
- Communications and Infrastructure: Suitable for backhaul and microwave links, and other communication infrastructure.
- RF and Microwave Systems: Used in RF and microwave systems requiring low noise and high PSRR.
- Industrial and Medical Devices: Applicable in industrial and medical devices that require stable and low-noise power supply.
Q & A
- What is the input voltage range of the ADP7158ACPZ-3.0-R7?
The input voltage range is from 2.3 V to 5.5 V.
- What is the maximum output current of the ADP7158ACPZ-3.0-R7?
The maximum output current is up to 2 A.
- What are the available output voltages for the ADP7158 series?
There are 16 standard output voltages available, ranging from 1.2 V to 3.3 V, with additional voltages available by special order.
- What is the typical dropout voltage of the ADP7158ACPZ-3.0-R7?
The typical dropout voltage is 200 mV at 2 A load current.
- What is the noise spectral density of the ADP7158ACPZ-3.0-R7?
The noise spectral density is 1.7 nV/√Hz from 10 kHz to 1 MHz.
- What are the package options for the ADP7158ACPZ-3.0-R7?
The regulator is available in 10-lead, 3 mm x 3 mm LFCSP and 8-lead SOIC packages.
- What is the operating temperature range of the ADP7158ACPZ-3.0-R7?
The operating temperature range is from -40°C to 125°C.
- Does the ADP7158ACPZ-3.0-R7 have any protection features?
Yes, it includes overcurrent, overtemperature, and undervoltage lockout (UVLO) protection.
- What is the shutdown current of the ADP7158ACPZ-3.0-R7?
The shutdown current is as low as 0.2 μA.
- Is the ADP7158ACPZ-3.0-R7 suitable for noise-sensitive applications?
Yes, it is highly suitable due to its high PSRR and ultralow noise characteristics.
