Overview
The ADP7118ARDZ-5.0-R7 is a high-performance, low dropout (LDO) linear voltage regulator manufactured by Analog Devices Inc. This regulator operates from an input voltage range of 2.7 V to 20 V and provides a fixed output voltage of 5 V with a maximum output current of 200 mA. It is designed using an advanced CMOS architecture, which ensures high power supply rejection ratio (PSRR), low noise, and excellent line and load transient response. The device is packaged in an 8-lead SOIC-EP (Exposed Pad) package, making it suitable for a variety of applications requiring stable and noise-free power supply.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADP7118ARDZ-5.0-R7 |
| Package | SOIC-8-EP (Exposed Pad) |
| Input Voltage Range | 2.7 V to 20 V |
| Output Voltage | Fixed 5 V |
| Maximum Output Current | 200 mA |
| Low Dropout Voltage | 200 mV (typical) at 200 mA load |
| PSRR | 88 dB at 10 kHz, 68 dB at 100 kHz, 50 dB at 1 MHz |
| Output Noise | 11 μV rms independent of output voltage |
| Quiescent Current | 50 μA (typical) with no load |
| Shutdown Current | 1.8 μA at VIN = 5 V, 3.0 μA at VIN = 20 V |
| Operating Temperature Range | -40°C to +125°C |
| RoHS Compliance | Yes |
Key Features
- High PSRR and Low Noise: The ADP7118ARDZ-5.0-R7 offers high power supply rejection ratio (PSRR) and low output noise, making it suitable for noise-sensitive applications.
- User Programmable Soft Start: Available in LFCSP and SOIC packages, this feature allows for a controlled startup of the regulator.
- Low Dropout Voltage: With a typical dropout voltage of 200 mV at 200 mA load, this regulator ensures efficient power regulation.
- Low Quiescent Current: The device has a low quiescent current of 50 μA (typical) with no load, contributing to power efficiency.
- Stable with Small Output Capacitor: The regulator is stable with a small 2.2 μF ceramic output capacitor.
- Precision Enable: The device features a precision enable function for precise control over the regulator's operation.
- AEC-Q100 Qualified: Suitable for automotive applications due to its AEC-Q100 qualification.
Applications
- Noise-Sensitive Applications: Ideal for regulating power in noise-sensitive circuits such as ADC and DAC circuits, precision amplifiers, and VCO/VTUNE control.
- Communications and Infrastructure: Used in various communication and infrastructure applications requiring stable and low-noise power supply.
- Medical and Healthcare: Suitable for medical devices that require high precision and reliability in power regulation.
- Industrial and Instrumentation: Applied in industrial and instrumentation settings where stable power supply is crucial.
- Automotive: AEC-Q100 qualified, making it suitable for automotive applications.
Q & A
- What is the input voltage range of the ADP7118ARDZ-5.0-R7?
The input voltage range is from 2.7 V to 20 V.
- What is the fixed output voltage of the ADP7118ARDZ-5.0-R7?
The fixed output voltage is 5 V.
- What is the maximum output current of the ADP7118ARDZ-5.0-R7?
The maximum output current is 200 mA.
- What is the typical dropout voltage of the ADP7118ARDZ-5.0-R7?
The typical dropout voltage is 200 mV at a 200 mA load.
- What is the PSRR of the ADP7118ARDZ-5.0-R7 at different frequencies?
The PSRR is 88 dB at 10 kHz, 68 dB at 100 kHz, and 50 dB at 1 MHz.
- Is the ADP7118ARDZ-5.0-R7 RoHS compliant?
Yes, the device is RoHS compliant.
- What is the operating temperature range of the ADP7118ARDZ-5.0-R7?
The operating temperature range is from -40°C to +125°C.
- What type of package is the ADP7118ARDZ-5.0-R7 available in?
The device is available in an 8-lead SOIC-EP (Exposed Pad) package.
- Does the ADP7118ARDZ-5.0-R7 support user-programmable soft start?
Yes, it supports user-programmable soft start in LFCSP and SOIC packages.
- Is the ADP7118ARDZ-5.0-R7 suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive applications.
