Overview
The VIPER12ADIP, produced by STMicroelectronics, is a highly integrated power management IC that combines a dedicated current mode PWM controller with a high voltage power MOSFET on the same silicon chip. This integration offers a compact and efficient solution for various off-line power supply applications. The device is designed to handle a wide range of input voltages and provides several protection features, making it suitable for use in battery charger adapters, standby power supplies for TVs or monitors, and auxiliary supplies for motor control.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Switching Frequency | 60 | kHz |
| VDD Voltage Range | 9 to 38 | V |
| Transistor Breakdown Voltage (min) | 730 | V |
| Drain Current (nom) | 0.4 | A |
| RDS(on) (max) | 30 | Ω |
| Continuous Drain Current | Internally limited | A |
| Thermal Shutdown Temperature | 140 to 170 | °C |
| Thermal Shutdown Hysteresis | 40 | °C |
| Package Type | DIP-8 |
Key Features
- Fixed 60 kHz switching frequency
- Current mode control
- Auxiliary undervoltage lockout with hysteresis
- High voltage start-up current source
- Overtemperature, overcurrent, and overvoltage protection with auto-restart
- Automatic burst mode in low load conditions
- Large input voltage range on the VDD pin (9V to 38V)
Applications
The VIPER12ADIP is typically used in off-line power supplies for various applications, including:
- Battery charger adapters
- Standby power supplies for TVs or monitors
- Auxiliary supplies for motor control
Q & A
- What is the switching frequency of the VIPER12ADIP?
The switching frequency is fixed at 60 kHz. - What is the range of the VDD voltage?
The VDD voltage range is from 9V to 38V. - What type of protection does the VIPER12ADIP offer?
The device offers overtemperature, overcurrent, and overvoltage protection with auto-restart. - What is the typical power capability of the VIPER12ADIP?
The typical power capability is 8W for European input (195-265 Vac) for DIP-8 packages. - What package types are available for the VIPER12ADIP?
The device is available in DIP-8 packages. - What is the thermal shutdown temperature range of the VIPER12ADIP?
The thermal shutdown temperature range is from 140°C to 170°C. - Does the VIPER12ADIP have an automatic burst mode?
Yes, it has an automatic burst mode in low load conditions. - What is the maximum drain current of the VIPER12ADIP?
The maximum drain current is internally limited, with a nominal value of 0.4A. - Is the VIPER12ADIP RoHS compliant?
Yes, the VIPER12ADIP is RoHS compliant with an Ecopack1 grade. - What are the typical applications of the VIPER12ADIP?
Typical applications include off-line power supplies for battery charger adapters, standby power supplies, and auxiliary supplies for motor control.
