Overview
The VIPER53-E, specifically the VIPER53SP13TR model from STMicroelectronics, is a highly integrated power management solution. It 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 flexible configuration options.
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 various packages, including PowerSO-10, which enhances its suitability for a variety of power supply designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Part Number | VIPER53SP13TR | - |
| Package | PowerSO-10 | - |
| Marketing Status | Active | - |
| Grade | Industrial | - |
| RoHS Compliance Grade | Ecopack1 | - |
| Drain-Source Voltage (VDS) | 620 | V |
| Drain Current (ID) | 2 | A |
| Static Drain-Source On Resistance (RDS(on)) | 1 Ω (max) | Ω |
| Switching Frequency | Up to 300kHz | kHz |
| Operating Temperature Range | -40°C to 150°C | °C |
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 (“Blue Angel“ compliant)
- Overtemperature protection
- Soft start and shut-down control
Applications
The VIPER53-E is suitable for a variety of offline power supply applications, including:
- General purpose offline power supplies
- Industrial power supplies
- Consumer electronics power supplies
- Power supplies for home appliances
It is particularly useful in designs requiring high efficiency, robust protection, and flexible configuration options.
Q & A
- What is the VIPER53-E?
The VIPER53-E is an integrated power management solution 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 is the maximum switching frequency of the VIPER53-E?
The maximum switching frequency is up to 300kHz.
- What protection features does the VIPER53-E offer?
The device offers undervoltage lockout with hysteresis, overload and short-circuit control, overtemperature protection, and soft start and shut-down control.
- Is the VIPER53-E compliant with any specific standards?
Yes, it is “Blue Angel“ compliant due to its automatic burst mode in standby condition.
- What is the operating temperature range of the VIPER53-E?
The operating temperature range is -40°C to 150°C.
- What is the drain-source voltage rating of the VIPER53-E?
The drain-source voltage rating is 620V.
- How is the switching frequency set on the VIPER53-E?
The switching frequency is set through an external Rt-Ct network connected to the OSC pin.
- What is the purpose of the TOVL pin on the VIPER53-E?
The TOVL pin allows the connection of an external capacitor for delaying the overload protection.
- Is the VIPER53-E RoHS compliant?
Yes, the VIPER53-E is RoHS compliant with an Ecopack1 grade.
