Overview
The ADP223ACPZ-R7, produced by Analog Devices Inc., is a dual-output, low-dropout (LDO) voltage regulator designed for applications requiring high performance and minimal board space. This component is part of the ADP223/ADP225 series, which offers adjustable output voltages and is particularly suited for wireless and portable devices. The regulator features high power supply rejection ratio (PSRR), low noise, and low quiescent current, making it ideal for battery-powered equipment and other demanding applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.5 V to 5.5 V | V |
| Output Current | 300 mA | A |
| Output Voltage Range (Adjustable) | 0.5 V to 5.0 V | V |
| Initial Accuracy | ±1% | % |
| PSRR at 10 kHz | 70 dB | dB |
| PSRR at 100 kHz | 60 dB | dB |
| Noise at VOUT = 1.2 V | 27 µV rms | µV |
| Noise at VOUT = 2.8 V | 50 µV rms | µV |
| Dropout Voltage at 300 mA | 170 mV | mV |
| Quiescent Current at No Load | 65 µA | µA |
| Package Type | 8-lead LFCSP (2 mm x 2 mm) | - |
| Operating Temperature Range | -40°C to +125°C | °C |
Key Features
- High PSRR: Up to 70 dB at 10 kHz, ensuring minimal noise from the power supply.
- Low Noise: 27 µV rms at VOUT = 1.2 V and 50 µV rms at VOUT = 2.8 V, enhancing signal integrity.
- Low Dropout Voltage: 170 mV at 300 mA load, reducing power loss.
- Low Quiescent Current: 65 µA typical at no load, extending battery life in portable devices.
- Adjustable Output Voltage: From 0.5 V to 5.0 V, providing flexibility in design.
- Quick Output Discharge (QOD): Available in ADP224 and ADP225 models for rapid shutdown.
- Overcurrent and Thermal Protection: Prevents damage under adverse conditions.
- Small Package: 8-lead LFCSP (2 mm x 2 mm), ideal for space-constrained designs.
Applications
- Portable and Battery-Powered Equipment
- Portable Medical Devices
- Post DC-to-DC Regulation
- Point of Sale Terminals
- Credit Card Readers
- Automatic Meter Readers
- Wireless Network Equipment
Q & A
- What is the input voltage range of the ADP223ACPZ-R7?
The input voltage range is from 2.5 V to 5.5 V.
- What is the maximum output current of the ADP223ACPZ-R7?
The maximum output current is 300 mA.
- What is the adjustable output voltage range of the ADP223ACPZ-R7?
The adjustable output voltage range is from 0.5 V to 5.0 V.
- What is the typical quiescent current at no load for the ADP223ACPZ-R7?
The typical quiescent current at no load is 65 µA.
- What is the dropout voltage at 300 mA load for the ADP223ACPZ-R7?
The dropout voltage at 300 mA load is 170 mV.
- Does the ADP223ACPZ-R7 have overcurrent and thermal protection?
Yes, it includes overcurrent and thermal protection circuitry.
- What is the package type and size of the ADP223ACPZ-R7?
The package type is an 8-lead LFCSP, and the size is 2 mm x 2 mm.
- What are the recommended capacitor types for use with the ADP223ACPZ-R7?
X7R and X5R type capacitors are recommended.
- What is the operating temperature range of the ADP223ACPZ-R7?
The operating temperature range is from -40°C to +125°C.
- Does the ADP223ACPZ-R7 have a quick output discharge feature?
No, the quick output discharge feature is available in the ADP224 and ADP225 models, not the ADP223.
