Overview
The EP5368QI is a highly integrated synchronous buck converter developed by Intel, leveraging Enpirion technology. This PowerSoC (Power System-on-Chip) combines a PWM controller, MOSFETs, compensation, and an integrated inductor within a compact 3mm x 3mm x 1.1mm package. This design minimizes footprint while ensuring low ripple and high performance. The device operates at a 4MHz switching frequency, enabling a wide control loop bandwidth and excellent transient performance. It is designed for ease of use and compliance with demanding EMI requirements, making it suitable for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.4V to 5.5V |
| Output Voltage Range | 0.603V to 5.1V (7 preset values or adjustable via external divider) |
| Output Current | 600mA |
| Switching Frequency | 4MHz |
| Package Size | 3mm x 3mm x 1.1mm |
| Protection Features | Under-voltage lock-out (UVLO), Over-current protection (OCP), Short circuit protection, Thermal overload protection |
| Soft Start Modes | Constant slew rate in VID mode, Constant VOUT ramp time in external resistor divider mode |
Key Features
- Integrated Inductor: Utilizes a proprietary low-loss integrated inductor, reducing design and layout issues associated with traditional switch-mode DC-DC converters.
- High Switching Frequency: Operates at 4MHz, allowing for the use of very small components and a wide control loop bandwidth for excellent transient performance.
- Dynamic Voltage Scaling: Supports glitch-free dynamic voltage scaling by toggling the VID pins on the fly.
- Protection Features: Includes UVLO, OCP, short circuit protection, and thermal overload protection for robust operation.
- Flexible Output Voltage Selection: Allows selection of one of seven preset voltages or any voltage within the range using an external voltage divider.
- Stable Operation: Designed to provide stability over a wide range of operating conditions without external modifications.
Applications
The EP5368QI is suitable for a variety of applications requiring high efficiency, compact size, and robust performance. These include but are not limited to:
- Portable electronics
- Industrial control systems
- Medical devices
- Automotive systems
- Communication equipment
Q & A
- What is the input voltage range of the EP5368QI? The input voltage range is 2.4V to 5.5V.
- What is the maximum output current of the EP5368QI? The maximum output current is 600mA.
- How does the EP5368QI select output voltage? The output voltage can be selected from seven preset values via a three-pin VID voltage select scheme or using an external voltage divider.
- What protection features does the EP5368QI have? It includes under-voltage lock-out (UVLO), over-current protection (OCP), short circuit protection, and thermal overload protection.
- What is the switching frequency of the EP5368QI? The switching frequency is 4MHz.
- How does the EP5368QI handle thermal overload? The device features thermal shutdown, which turns off the converter when the junction temperature exceeds a safe level and restarts when it cools down.
- Can the output voltage be dynamically adjusted? Yes, the EP5368QI supports glitch-free dynamic voltage scaling by toggling the VID pins on the fly.
- What is the package size of the EP5368QI? The package size is 3mm x 3mm x 1.1mm.
- What type of compensation network does the EP5368QI use? It uses an internal type III compensation network.
- How does the EP5368QI ensure stability over a wide range of operating conditions? It is designed to provide stability over the entire input and output voltage range without external modifications.
