Overview
The ADM7154ACPZ-1.2-R7 is a high-performance linear voltage regulator produced by Analog Devices Inc. This regulator operates from an input voltage range of 2.3 V to 5.5 V and provides up to 600 mA of load current. It features an advanced proprietary architecture that ensures high power supply rejection and ultralow noise, making it ideal for applications requiring stable and low-noise voltage regulation.
The device is available in a compact 8-lead, 3 mm × 3 mm LFCSP package, which enhances thermal performance and provides a low profile footprint. The ADM7154 is designed to offer excellent line and load transient response with minimal external components, such as a 10 µF ceramic output capacitor.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.3 V to 5.5 V | V |
| Output Voltage | 1.2 V | V |
| Maximum Output Current | 600 mA | mA |
| Output Voltage Accuracy | ±0.5% | % |
| Package Type | 8-lead LFCSP | - |
| Operating Temperature Range | -40°C to 125°C | °C |
| Noise Spectral Density (10 kHz to 1 MHz) | 1.5 nV/√Hz | nV/√Hz |
| Typical Output Noise (100 Hz to 100 kHz) | 0.9 μV rms | μV rms |
Key Features
- High power supply rejection ratio (PSRR) and ultralow noise performance.
- Excellent line and load transient response with a minimal 10 µF ceramic output capacitor.
- Compact 8-lead, 3 mm × 3 mm LFCSP package with an exposed pad for enhanced thermal performance.
- Low dropout voltage and high accuracy output voltage regulation.
- Enable pin for easy on/off control.
- Bypass pin to reduce noise further.
Applications
- Portable electronics and battery-powered devices requiring low noise and high stability.
- Audio and video equipment where noise reduction is critical.
- Medical devices and instrumentation needing precise voltage regulation.
- Industrial control systems and automation where reliability and stability are essential.
- Wireless communication devices and RF circuits requiring low noise power supplies.
Q & A
- What is the input voltage range of the ADM7154ACPZ-1.2-R7?
The input voltage range is from 2.3 V to 5.5 V.
- What is the maximum output current of the ADM7154ACPZ-1.2-R7?
The maximum output current is 600 mA.
- What is the output voltage accuracy of the ADM7154ACPZ-1.2-R7?
The output voltage accuracy is ±0.5%.
- What package type is the ADM7154ACPZ-1.2-R7 available in?
The device is available in an 8-lead LFCSP package.
- How does the ADM7154ACPZ-1.2-R7 reduce noise?
The device reduces noise through its advanced proprietary architecture and by using a bypass pin connected to a capacitor.
- What is the typical output noise of the ADM7154ACPZ-1.2-R7?
The typical output noise is 0.9 μV rms from 100 Hz to 100 kHz.
- What is the noise spectral density of the ADM7154ACPZ-1.2-R7?
The noise spectral density is 1.5 nV/√Hz from 10 kHz to 1 MHz.
- How do I control the on/off state of the ADM7154ACPZ-1.2-R7?
The device can be controlled using the enable (EN) pin; drive EN high to turn on the regulator and low to turn it off.
- What is the operating temperature range of the ADM7154ACPZ-1.2-R7?
The operating temperature range is from -40°C to 125°C.
- What are some typical applications of the ADM7154ACPZ-1.2-R7?
Typical applications include portable electronics, audio and video equipment, medical devices, industrial control systems, and wireless communication devices.
