Overview
The ADP7183ACPZN-R7, produced by Analog Devices Inc., is a complementary metal oxide semiconductor (CMOS) low dropout (LDO) linear regulator. This regulator operates from an input voltage range of −2.0 V to −5.5 V and can provide up to −300 mA of output current. It is designed for high-performance analog and mixed-signal circuits, offering excellent line and load transient response, high power supply rejection ratio (PSRR), and low noise. The ADP7183 is available in various fixed output voltage options and an adjustable version, making it versatile for different application needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | −2.0 V to −5.5 V | V |
| Output Current | Up to −300 mA | mA |
| Fixed Output Voltages | −0.5 V, −1.0 V, −1.2 V, −1.5 V, −1.8 V, −2.0 V, −2.5 V, −3.0 V, −3.3 V (stock), −0.8 V, −0.9 V, −1.3 V, −2.8 V, −4.2 V, −4.5 V (special order) | V |
| Adjustable Output Voltage Range | −0.5 V to −VIN + 0.5 V | V |
| Output Noise | 4 μV rms | μV |
| Shutdown Current | −7 μA (maximum) | μA |
| Package Type | 8-lead, 2 mm × 2 mm LFCSP | |
| Enable Logic | Positive or negative logic levels |
Key Features
- High PSRR and low noise, making it ideal for high-performance and noise-sensitive applications.
- Excellent line and load transient response with a small 4.7 μF ceramic output capacitor.
- Low quiescent current and ultralow shutdown current consumption of −7 μA (maximum).
- Enable logic feature capable of interfacing with positive or negative logic levels.
- Compact 8-lead, 2 mm × 2 mm LFCSP package with excellent thermal performance.
- Adjustable output voltage option using an external feedback divider.
Applications
The ADP7183 is suitable for a variety of applications, including:
- High-performance analog and mixed-signal circuits.
- Noise-sensitive applications requiring low output noise.
- Systems needing high PSRR and excellent transient response.
- Compact and low-profile designs due to its small package size.
Q & A
- What is the input voltage range of the ADP7183?
The input voltage range of the ADP7183 is from −2.0 V to −5.5 V.
- What is the maximum output current of the ADP7183?
The maximum output current of the ADP7183 is up to −300 mA.
- What are the available fixed output voltages for the ADP7183?
The ADP7183 is available in fixed output voltages of −0.5 V, −1.0 V, −1.2 V, −1.5 V, −1.8 V, −2.0 V, −2.5 V, −3.0 V, and −3.3 V from stock, and additional voltages by special order.
- How does the adjustable output voltage option work?
The adjustable output voltage option allows output voltages to range from −0.5 V to −VIN + 0.5 V using an external feedback divider.
- What is the output noise of the ADP7183?
The output noise of the ADP7183 is 4 μV rms.
- What is the shutdown current consumption of the ADP7183?
The shutdown current consumption of the ADP7183 is −7 μA (maximum).
- What package type is the ADP7183 available in?
The ADP7183 is available in an 8-lead, 2 mm × 2 mm LFCSP package.
- How does the enable logic feature work?
The enable logic feature can interface with positive or negative logic levels for maximum flexibility.
- What are the thermal performance characteristics of the ADP7183?
The ADP7183 has excellent thermal performance due to its compact LFCSP package and the exposed pad connected to the input voltage plane.
- What kind of capacitors are recommended for the ADP7183?
The ADP7183 is optimized for use with a 4.7 μF ceramic output capacitor for excellent transient performance.
