Overview
The ADM7154ACPZ-3.3-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 power supply.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.3 V to 5.5 V |
| Output Voltage | 3.3 V (fixed) |
| Output Current | Up to 600 mA |
| Noise (RMS) | 0.9 μV from 100 Hz to 100 kHz |
| Noise Spectral Density | 1.5 nV/√Hz from 10 kHz to 1 MHz |
| Package | 8-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC |
| Thermal Performance | Exposed pad enhances thermal performance, connected to GND |
Key Features
- High power supply rejection ratio (PSRR) for excellent line and load transient response.
- Ultralow noise output, with 0.9 μV RMS noise from 100 Hz to 100 kHz.
- Compact package options: 8-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC.
- Advanced proprietary architecture for stable and low-noise operation.
- Enable pin for on/off control; can be connected to VIN for automatic startup.
- Bypass pin to reduce noise further.
Applications
The ADM7154ACPZ-3.3-R7 is suitable for a variety of applications requiring low noise and high stability, such as:
- Portable electronics and battery-powered devices.
- Audio and video equipment where low noise is critical.
- Medical devices and instrumentation.
- Industrial control systems and automation.
- Communication equipment and networking devices.
Q & A
- What is the input voltage range of the ADM7154ACPZ-3.3-R7?
The input voltage range is from 2.3 V to 5.5 V. - What is the maximum output current of the ADM7154ACPZ-3.3-R7?
The maximum output current is up to 600 mA. - What is the typical output noise of the ADM7154ACPZ-3.3-R7?
The typical output noise is 0.9 μV RMS from 100 Hz to 100 kHz. - What package options are available for the ADM7154ACPZ-3.3-R7?
The available package options are 8-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC. - How can the noise be further reduced in the ADM7154ACPZ-3.3-R7?
Noise can be further reduced by connecting a 1 µF capacitor from the BYP pin to GND. - What is the purpose of the enable pin (EN) on the ADM7154ACPZ-3.3-R7?
The enable pin (EN) is used to turn the regulator on or off; it can be connected to VIN for automatic startup. - What is the thermal performance enhancement feature of the ADM7154ACPZ-3.3-R7?
The exposed pad on the bottom of the package enhances thermal performance and is electrically connected to GND. - What are some typical applications of the ADM7154ACPZ-3.3-R7?
Typical applications include portable electronics, audio and video equipment, medical devices, industrial control systems, and communication equipment. - How do you configure the reference sense pin (REF_SENSE) for fixed output voltages?
For fixed output voltages, short the REF_SENSE pin to the REF pin. - What is the recommended capacitor value for bypassing the input voltage (VIN)?
The recommended capacitor value for bypassing VIN is 10 µF or greater.
