Description
The Enpirion EN5335QI is a high-performance, compact switching regulator IC designed for Point of Load (POL) voltage regulation in various applications. It features a synchronous buck converter with programmable frequency and soft-start, providing high efficiency and low noise. The IC includes built-in protection mechanisms such as over-current, over-voltage, and over-temperature protection to ensure reliable operation.
The EN5335QI is available in a compact 3mm x 4mm QFN package, making it ideal for space-constrained designs. Its programmable power sequencing options and power-good indicator enable flexible system design and monitoring. With its high efficiency, low noise, and robust protection features, the EN5335QI is suitable for applications requiring high reliability, such as servers, storage systems, industrial control systems, portable devices, automotive systems, and more.
Features
Based on the provided product information, here are the main features of EN5335QI:
- High-efficiency synchronous buck regulator with programmable frequency
- Soft-start feature
- Built-in over-current, over-voltage, and over-temperature protection
- Power-good indicator
- Programmable power sequencing options
- 3A DC-DC buck converter IC for POL (Point of Load) applications
These features make EN5335QI suitable for various applications such as servers, industrial control systems, portable devices, automotive applications, and high-reliability systems.
Package
The package type of EN5335QI is QFN (3mm x 4mm).
Pinout
The EN5335QI has a 16-pin QFN package.
Here's a concise overview of its pins:
- VCC: Input voltage
- GND: Ground
- COMP: Compensation pin for loop compensation
- FB: Feedback pin for output voltage monitoring
- PWRGD: Power-good indicator output
- SS: Soft-start input
- FREQ: Frequency set pin
- EN: Enable input
- IN: Input voltage sense pin
- OUT: Output voltage sense pin
- OCP: Over-current protection output
- OVP: Over-voltage protection output
- OTP: Over-temperature protection output
Please note that this is a general overview, and you should refer to the datasheet for more detailed information on each pin's function.
Manufacturer
The manufacturer of the EN5335QI is Enpirion, a company that specializes in designing and manufacturing high-performance power management ICs (PMICs) for various applications such as servers, storage systems, networking equipment, and more.
Applications
The EN5335QI is suitable for Point of Load (POL) voltage regulation in servers, storage systems, networking equipment, and telecom infrastructure. It's also applicable to industrial control systems, including factory automation, motor drives, and power supplies. Additionally, it can be used in portable devices such as tablets, handheld instruments, and wearable technology. Furthermore, it's suitable for automotive applications like infotainment systems, navigation devices, and driver assistance systems.
Equivalent
The equivalent products of EN5335QI are other switching regulator ICs that offer similar features and performance in terms of power output, frequency range, and protection mechanisms. Some possible equivalents could be:
- Linear Technology's LT1074
- National Semiconductor's LM5121
- Texas Instruments' TPS543V15
- Micrel's MIC5125
Please note that these are potential alternatives and may not have identical specifications or pinouts as the EN5335QI.
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