Overview
The VIPER53ESP-E, produced by STMicroelectronics, is a fixed frequency offline converter that integrates an enhanced current mode PWM controller with a high voltage MDMesh Power MOSFET in the same package. This device is designed for offline power supplies, offering a secondary power capability of up to 30W in a wide range input voltage or 50W in a single European voltage range for the DIP-8 package, and up to 40W in a wide range input voltage or 65W in a single European voltage range for the PowerSO-10 package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | PowerSO-10 | - |
| Grade | Industrial | - |
| RoHS Compliance Grade | Ecopack1 | - |
| Switching Frequency | Up to 300kHz | - |
| Current Mode Control | Adjustable limitation | - |
| Minimum On Time | 250-600 ns | ns |
| Overtemperature Protection | Yes | - |
| Soft Start and Shut-down Control | Yes | - |
| Automatic Burst Mode in Standby | Yes, “Blue Angel“ compliant | - |
| Overload and Short-Circuit Control | Yes | - |
Key Features
- High voltage start-up current source
- Undervoltage lockout with hysteresis
- Overload and short-circuit control
- Switching frequency up to 300kHz
- Current mode control with adjustable limitation
- Soft start and shut-down control
- Automatic burst mode in standby condition (“Blue Angel“ compliant)
- Overtemperature protection
- Integrated start-up current source disabled during normal operation to reduce input power
Applications
The VIPER53ESP-E is typically used in offline power supplies, particularly in applications requiring a secondary power capability ranging up to 30W in wide range input voltage or 50W in single European voltage range. It is suitable for various industrial applications where efficient and reliable power conversion is essential.
Q & A
- What is the VIPER53ESP-E?
The VIPER53ESP-E is a fixed frequency offline converter that combines an enhanced current mode PWM controller with a high voltage MDMesh Power MOSFET in the same package.
- What are the typical applications of the VIPER53ESP-E?
Typical applications include offline power supplies with a secondary power capability ranging up to 30W in wide range input voltage or 50W in single European voltage range.
- What is the switching frequency of the VIPER53ESP-E?
The switching frequency can go up to 300kHz.
- Does the VIPER53ESP-E have overtemperature protection?
Yes, it includes overtemperature protection.
- Is the VIPER53ESP-E compliant with any specific standards in standby mode?
Yes, it is “Blue Angel“ compliant in standby mode, ensuring low power consumption.
- How does the VIPER53ESP-E handle overload and short-circuit conditions?
The device has built-in overload and short-circuit control, which disables the internal MOSFET driver and resets the device when such conditions are detected.
- What is the purpose of the automatic burst mode in the VIPER53ESP-E?
The automatic burst mode reduces switching frequency and losses during low load conditions, ensuring compliance with low power standards.
- Does the VIPER53ESP-E support soft start and shut-down control?
Yes, it includes soft start and shut-down control features.
- What package options are available for the VIPER53ESP-E?
The device is available in PowerSO-10 package.
- Is the VIPER53ESP-E RoHS compliant?
Yes, it is RoHS compliant with an Ecopack1 grade.
