Table of Contents
The ENFM839RJ is a versatile electronic component widely used in diverse applications requiring high precision and reliability. Its robust design and compact form make it suitable for industrial automation, consumer electronics, and advanced embedded systems. This datasheet provides all the details necessary for understanding, integrating, and optimizing its use.
Introduction
The ENFM839RJ component is engineered to deliver optimal performance under varying conditions. Whether used in power management, signal processing, or communication systems, it ensures stability and efficiency. This component stands out due to its precision-engineered design, making it a trusted choice for professionals.
Key Features:
- High operational stability across wide temperature ranges
- Low power consumption for energy-sensitive applications
- Compact and lightweight form factor, enabling flexible use
2. Specifications
General Specifications
- Type: Voltage Regulator
- Dimensions: 5 mm × 3 mm × 1.5 mm
- Weight: 0.15 grams
Electrical Characteristics
- Voltage Range: 3.3V to 5V
- Current Rating: 1.2 A maximum
- Power Consumption: 200 mW typical
Performance Parameters
- Operating Frequency: 10 kHz to 500 kHz
- Sensitivity: 0.01 V input variation
3. Pin Configuration and Functions
The ENFM839RJ features a 5-pin configuration:
- Pin 1 (VIN): Input voltage terminal (3.3V to 5V)
- Pin 2 (GND): Ground connection
- Pin 3 (VOUT): Regulated output voltage
- Pin 4 (EN): Enable pin for activating the device
- Pin 5 (FB): Feedback for precise voltage control
Diagram:
- A visual representation of pin layouts assists with accurate connections.
4. Block Diagram
The ENFM839RJ has a robust internal structure with three main blocks:
- Input Regulator: Stabilizes incoming voltage.
- Voltage Control Unit: Maintains precise voltage levels.
- Output Driver: Delivers consistent power output.
This architecture ensures reliability across various load conditions.
5. Typical Applications
The ENFM839RJ finds its utility in numerous domains:
- Industrial Automation: Powering sensors and controllers.
- Consumer Electronics: Used in smartphones, tablets, and wearables.
- Automotive Systems: Reliable voltage regulation for ECUs (Electronic Control Units).
6. Absolute Maximum Ratings
| Parameter | Maximum Value |
| Input Voltage | 6.0 V |
| Output Current | 1.5 A |
| Operating Temperature | -40°C to +125°C |
Exceeding these limits can lead to component failure or reduced lifespan.
7. Recommended Operating Conditions
For optimal performance:
- Input Voltage: 3.3V to 5V
- Current: 1.2 A or lower
- Temperature: -20°C to +85°C
Humidity levels should not exceed 80% during operation.
8. Electrical Characteristics Table
| Parameter | Min | Typ | Max |
| Input Voltage | 3.3 V | 4.0 V | 5.0 V |
| Output Voltage Accuracy | -1% | ±0.5% | +1% |
| Quiescent Current | 50 µA | 70 µA | 100 µA |
| Load Regulation | 0.02% | 0.05% | 0.1% |
9. Mechanical Drawings
The component features a compact and durable design:
- Height: 1.5 mm
- Width: 5 mm
- Depth: 3 mm
- Mounting Guidelines: Use solder pads with 1 mm spacing for secure placement.
10. Performance Graphs and Charts
Graphs include:
- Efficiency vs. Load Current: Shows high efficiency at 95% under typical loads.
- Output Voltage vs. Temperature: Stable output across -40°C to +125°C.
- Response Time: 50 µs recovery time for voltage changes.
11. Application Notes
For successful integration:
- Use a bypass capacitor of 10 µF at the input to stabilize voltage.
- Place feedback resistors close to the feedback pin to reduce noise.
- Avoid exposure to temperatures exceeding 125°C to maintain longevity.
12. Reliability and Testing
The ENFM839RJ has passed rigorous quality control tests:
- Thermal Cycling: Operates reliably after 1,000 cycles from -40°C to +125°C.
- Load Testing: Maintains stability under continuous 1.2 A load for 72 hours.
- Shock Resistance: Withstands mechanical shocks up to 30 g.
13. Packaging Information
The ENFM839RJ is available in two packaging options:
- Reel Packaging: 1,000 units per reel for automated assembly.
- Tray Packaging: 50 units per tray for manual handling.
Storage Instructions: Keep in a dry environment at 25°C to prevent moisture absorption.
14. Ordering Information
| Model Number | Description | Packaging |
| ENFM839RJ-33 | Fixed 3.3V output regulator | Reel or Tray |
| ENFM839RJ-ADJ | Adjustable output regulator | Reel or Tray |
Contact authorized distributors for bulk orders.
15. Resources and Support
For additional resources:
- Application Notes: Detailed design guides.
- Datasheets: Downloadable in PDF format from the official website.
- Technical Support: Reach out at [email protected] for assistance.
Last Words
The ENFM839RJ is a highly reliable and versatile component, designed to meet the demands of modern electronic applications. With its precise specifications, wide operating range, and robust performance, it serves as a dependable solution for engineers and designers. Whether you’re working on industrial automation, consumer electronics, or automotive systems, the ENFM839RJ offers the stability and efficiency required to bring your projects to life.
For more details, refer to the provided datasheet sections or contact the manufacturer for technical support. Choose the ENFM839RJ for quality and peace of mind in your electronic designs.
Article Recommendations
8882381346: Dealing with Spam and Scam Calls
816-608-8691 Contact Details and Usage Guide
