Overview
The VIPER50A-22-E, produced by STMicroelectronics, is a state-of-the-art power management IC designed for offline power supplies. Utilizing the VIPower M0 Technology, this device integrates a high-performance PWM circuit and an optimized high-voltage Vertical Power MOSFET (700V/1.5A) on a single silicon chip. This integration enables the device to support a wide range of applications, including those requiring secondary power capabilities of up to 25W in wide range conditions and up to 50W in single range or doubler configurations. The VIPER50A-22-E is notable for its reduced component count compared to discrete solutions, making it a compact and efficient choice for various power supply designs.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | VIPER50A-22-E |
| Package | Pentawatt-5 HV (Bent and Staggered Leads) |
| Topology | Flyback |
| Voltage - Breakdown | 700V |
| Current Rating | 1.5A |
| Voltage - Start Up | 11V |
| Voltage - Supply (Vcc/Vdd) | 8 V ~ 15 V |
| Switching Frequency | Up to 200 kHz |
| Power Rating | 50W |
| Fault Protection | Current Limiting, Over Temperature |
| Control Features | Frequency Control, Soft Start, Sync |
| Mounting Type | Surface Mount |
Key Features
- Adjustable Current Limitation
- Low Stand-by Current
- Integrated Start-up Supply
- Under-voltage Lock-out with Hysteresis
- Adjustable Switching Frequency up to 200 kHz
- Soft Start and Shutdown Control
- Current Mode Control
- Internally Trimmed Zener Reference
- Over-temperature Protection
- Automatic Burst Mode Operation in Stand-by Condition, meeting “Blue Angel” Norm (<1W total power consumption)
Applications
The VIPER50A-22-E is suitable for a variety of offline power supply applications, including:
- Offline power supplies with secondary power capabilities up to 25W in wide range conditions and up to 50W in single range or doubler configurations.
- Primary or secondary regulation loop applications.
- Stand-by mode operations with low power consumption, adhering to energy efficiency standards like the “Blue Angel” norm.
Q & A
- What is the VIPER50A-22-E used for?
The VIPER50A-22-E is used in offline power supplies, particularly for applications requiring up to 50W of secondary power.
- What technology does the VIPER50A-22-E use?
The VIPER50A-22-E uses STMicroelectronics' VIPower M0 Technology.
- What is the voltage breakdown rating of the VIPER50A-22-E?
The voltage breakdown rating is 700V.
- What is the maximum switching frequency of the VIPER50A-22-E?
The maximum switching frequency is up to 200 kHz.
- Does the VIPER50A-22-E support burst mode operation?
- What kind of fault protection does the VIPER50A-22-E offer?
The device offers current limiting and over-temperature protection.
- What is the package type of the VIPER50A-22-E?
The package type is Pentawatt-5 HV (Bent and Staggered Leads).
- Is the VIPER50A-22-E suitable for surface mounting?
- What are some key control features of the VIPER50A-22-E?
The device features frequency control, soft start, and sync capabilities.
- Does the VIPER50A-22-E meet any specific energy efficiency standards?
