Overview
The ADP7159ARDZ-04-R7 is a high-performance, low-dropout (LDO) linear voltage regulator produced by Analog Devices Inc. This regulator is designed to provide a stable and adjustable output voltage from a wide input voltage range, making it suitable for a variety of power management applications. It operates using an advanced proprietary architecture, ensuring high power supply rejection and ultralow noise, which is crucial for applications requiring excellent line and load transient response.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ADP7159ARDZ-04-R7 |
| Manufacturer | Analog Devices Inc. |
| Input Voltage Range | 2.3 V to 5.5 V |
| Output Voltage Range | 1.2 V to 3.3 V |
| Output Current | Up to 2 A |
| Dropout Voltage | 0.28 V at 2 A output |
| Power Supply Rejection Ratio (PSRR) | 68 dB at 1 kHz, 45 dB at 1 MHz |
| Quiescent Current | 8 mA typical |
| Package Type | 8-lead SOIC with exposed pad |
| Noise Spectral Density | 1.7 nV/√Hz from 10 kHz to 1 MHz |
| Output Voltage Accuracy | ±0.6% at ILOAD = 10 mA, ±1.5% over line, load, and temperature |
Key Features
- Adjustable output voltage range from 1.2 V to 3.3 V
- Capable of delivering up to 2 A of output current
- Low dropout voltage of 0.28 V at 2 A output
- High power supply rejection ratio (PSRR) of 68 dB at 1 kHz and 45 dB at 1 MHz
- Low quiescent current of 8 mA
- Over-current, over-temperature, and under-voltage lockout (UVLO) protection features
- Compact 8-SOIC package with exposed pad for improved thermal dissipation
- Excellent line and load regulation for stable output voltage
- Ultralow noise operation with a noise spectral density of 1.7 nV/√Hz from 10 kHz to 1 MHz
Applications
- Portable electronics
- Industrial equipment
- Automotive electronics
- Medical devices
- Noise-sensitive applications such as phase-locked loops (PLLs), voltage-controlled oscillators (VCOs), and communications infrastructure including backhaul and microwave links
Q & A
- What is the input voltage range of the ADP7159ARDZ-04-R7?
The input voltage range is from 2.3 V to 5.5 V. - What is the maximum output current of the ADP7159ARDZ-04-R7?
The maximum output current is up to 2 A. - What is the dropout voltage of the ADP7159ARDZ-04-R7 at 2 A output?
The dropout voltage is 0.28 V at 2 A output. - What is the power supply rejection ratio (PSRR) of the ADP7159ARDZ-04-R7?
The PSRR is 68 dB at 1 kHz and 45 dB at 1 MHz. - What type of package does the ADP7159ARDZ-04-R7 come in?
The ADP7159ARDZ-04-R7 comes in an 8-lead SOIC package with an exposed pad. - What are the key protection features of the ADP7159ARDZ-04-R7?
The key protection features include over-current, over-temperature, and under-voltage lockout (UVLO) protection. - What is the typical quiescent current of the ADP7159ARDZ-04-R7?
The typical quiescent current is 8 mA. - What are some common applications for the ADP7159ARDZ-04-R7?
Common applications include portable electronics, industrial equipment, automotive electronics, medical devices, and noise-sensitive applications. - Is the ADP7159ARDZ-04-R7 compliant with safety and environmental standards?
Yes, it is compliant with relevant safety and environmental standards. - What is the noise spectral density of the ADP7159ARDZ-04-R7?
The noise spectral density is 1.7 nV/√Hz from 10 kHz to 1 MHz.
