Overview
The VIPer53-E, produced by STMicroelectronics, is a highly integrated power management solution that combines 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 range of benefits including high efficiency, robust protection features, and compliance with energy-saving standards.
Typical applications include offline power supplies with secondary power capabilities up to 30W in wide range input voltage or 50W in single European voltage range. The device is available in DIP-8 and PowerSO-10 packages, catering to various design needs.
Key Specifications
| Parameter | Test Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Drain-source voltage (BVDSS) | ID = 1mA; VCOMP = 0V | 620 | V | ||
| Off state drain current (IDSS) | VDS = 500V; VCOMP = 0V; TJ = 125°C | 150 | µA | ||
| Static drain-source resistance (RDS(on)) | ID = 1A; VCOMP = 4.5V; VTOVL = 0V; TJ = 25°C | 0.9 | 1 | 1.7 | Ω |
| Switching frequency | Up to 300kHz | ||||
| Operating temperature range | -40°C | 150°C | °C | ||
| Drain current capability (IDmax) | VCOMP = VCOMPovl; VTOVL = 0V | 1.6 | 1.9 | 2.3 | A |
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
- Current limitation
- Automatic burst mode in standby condition (compliant with “Blue Angel” standards)
- Overtemperature protection
- Soft start and shut-down control
Applications
The VIPer53-E is typically used in offline power supplies, particularly in applications requiring high efficiency and robust protection. These include:
- Industrial power supplies
- Consumer electronics power supplies
- Power adapters and chargers
- LED drivers and lighting systems
Q & A
- What is the VIPer53-E?
The VIPer53-E is a power management IC 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 VIPer53-E?
Typical applications include offline power supplies with secondary power capabilities up to 30W in wide range input voltage or 50W in single European voltage range.
- What are the key features of the VIPer53-E?
Key features include high voltage start-up current source, undervoltage lockout with hysteresis, overload and short-circuit control, and automatic burst mode in standby condition.
- What is the switching frequency range of the VIPer53-E?
The switching frequency can go up to 300kHz.
- Is the VIPer53-E compliant with any energy-saving standards?
Yes, it is compliant with “Blue Angel” and other similar standards, requiring less than 0.5 W of input power when in standby.
- What are the available packages for the VIPer53-E?
The device is available in DIP-8 and PowerSO-10 packages.
- What is the operating temperature range of the VIPer53-E?
The operating temperature range is from -40°C to 150°C.
- How does the VIPer53-E handle standby mode?
The device reduces the switching frequency by going into burst mode, reducing switching losses and ensuring low consumption on the mains lines.
- What kind of protection does the VIPer53-E offer?
The device offers overtemperature protection, overload and short-circuit control, and undervoltage lockout with hysteresis.
- How does the VIPer53-E regulate output voltage?
The device uses a current mode control method with an inner loop controlling the peak primary current and an outer loop defining the level of the inner loop regulation.
