Overview
The VIPER53ESPTR-E is a highly integrated offline primary switch developed by STMicroelectronics. This component combines an enhanced current mode PWM controller with a high voltage MDMesh Power MOSFET in the same package. It is designed for offline power supplies, offering a secondary power capability of up to 30W in wide range input voltage or 50W in single European voltage range for the DIP-8 package, and up to 40W in wide range input voltage or 65W in single European voltage range for the PowerSO-10 package.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Drain-Source Voltage (VDS) | -0.3 | - | 620 | V |
| Supply Voltage (VDD) | 0 | - | 19 | V |
| Oscillator Frequency (FOSC) | 93 | 100 | 107 | kHz |
| Static Drain-Source On State Resistance (RDS(on)) | 0.9 | 1 | 1.7 | Ω |
| Junction Operating Temperature (TJ) | -40 | - | 150 | °C |
| Thermal Resistance Junction-case (RthJC) | - | - | 20 (DIP-8), 60 (PowerSO-10) | °C/W |
Key Features
- Enhanced current mode PWM controller with high voltage MDMesh Power MOSFET in the same package.
- Switching frequency up to 300kHz.
- Current mode control with adjustable limitation.
- Soft start and shut-down control.
- Automatic burst mode in standby condition, compliant with “Blue Angel” standards.
- Undervoltage lockout with hysteresis.
- Integrated start-up current source.
- Over-temperature protection.
- Overload and short-circuit control.
- Overvoltage protection).
Applications
The VIPER53ESPTR-E is typically used in offline power supplies with a wide range of input voltages. It is suitable for applications requiring up to 30W or 50W of output power in European voltage ranges and up to 40W or 65W in wide range input voltage for different package types. These applications include but are not limited to:
- Offline power supplies for consumer electronics.
- Power adapters and chargers.
- Industrial power supplies.
- Telecommunication equipment.
Q & A
- What is the VIPER53ESPTR-E?
The VIPER53ESPTR-E is an offline primary switch 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 VIPER53ESPTR-E?
Typical applications include offline power supplies, power adapters, chargers, industrial power supplies, and telecommunication equipment.
- What is the maximum switching frequency of the VIPER53ESPTR-E?
The maximum switching frequency is up to 300kHz.
- Does the VIPER53ESPTR-E have built-in protection features?
- Is the VIPER53ESPTR-E compliant with any specific standards?
- What are the package options for the VIPER53ESPTR-E?
The component is available in DIP-8 and PowerSO-10 packages.
- What is the maximum output power capability of the VIPER53ESPTR-E?
Up to 30W in wide range input voltage or 50W in single European voltage range for DIP-8, and up to 40W in wide range input voltage or 65W in single European voltage range for PowerSO-10.
- How does the VIPER53ESPTR-E handle standby mode?
The device reduces switching frequency by going into burst mode, ensuring low consumption on the mains lines and compliance with “Blue Angel” standards.
- What is the purpose of the integrated start-up current source?
The integrated start-up current source is used during the start-up phase and is disabled during normal operation to reduce input power.
- How does the VIPER53ESPTR-E protect against overload and short-circuit events?
The device controls overload and short-circuit events through feedback monitoring and delayed device reset, ensuring the device stops switching when an overload threshold is exceeded.
