Overview
The VIPER100ASP-E, produced by STMicroelectronics, is a high-performance offline converter IC that integrates a state-of-the-art PWM circuit and an optimized high-voltage Vertical Power MOSFET on the same silicon chip. Utilizing VIPower M0 Technology, this device is designed for offline power supplies with secondary power capabilities of up to 100W in single range or with doubler configuration, and 50W in wide range conditions. It offers significant component reduction compared to discrete solutions, making it highly efficient and compact.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VDS (Continuous Drain-Source Voltage) | –0.3 to 700 | V |
| ID (Maximum Current) | Internally limited | A |
| VDD (Supply Voltage) | 0 to 15 | V |
| VOSC (Voltage Range Input) | 0 to VDD | V |
| VCOMP (Voltage Range Input) | 0 to 5 | V |
| ICOMP (Maximum Continuous Current) | ±2 | mA |
| VESD (Electrostatic Discharge) | 4000 | V |
| ID(AR) (Avalanche Drain-Source Current) | 1.4 | A |
| Ptot (Power Dissipation at Tc = 25ºC) | 82 | W |
| Tj (Junction Operating Temperature) | Internally limited | °C |
| Tstg (Storage Temperature) | -65 to 150 | °C |
| VDSS (Drain-Source Voltage) | 700 | V |
| IDSS (Off-State Drain Current) | 1 mA | A |
| RDS(on) (Static Drain-Source On Resistance) | 2.0 to 5.0 | Ω |
Key Features
- Adjustable Switching Frequency up to 200 kHz
- Current Mode Control
- Soft Start and Shutdown Control
- Automatic Burst Mode Operation in Stand-by Condition to meet the German 'Blue Angel' Norm (<1W total power consumption)
- Internally Trimmed Zener Reference
- Undervoltage Lock-out with Hysteresis
- Integrated Start-up Supply
- Over-temperature Protection
- Low Stand-by Current
- Adjustable Current Limitation
Applications
The VIPER100ASP-E is typically used in offline power supplies with secondary power capabilities ranging from 50W in wide range conditions to 100W in single range or with doubler configuration. It is suitable for both primary and secondary regulation loops and is particularly beneficial in applications where component count needs to be minimized. Common applications include power adapters, set-top boxes, and other consumer electronics requiring efficient and reliable power conversion.
Q & A
- What is the maximum continuous drain-source voltage of the VIPER100ASP-E?
The maximum continuous drain-source voltage (VDS) is –0.3 to 700 V.
- What is the maximum current limitation of the VIPER100ASP-E?
The maximum current is internally limited.
- What is the supply voltage range for the VIPER100ASP-E?
The supply voltage (VDD) ranges from 0 to 15 V.
- What is the switching frequency range of the VIPER100ASP-E?
The switching frequency can be adjusted up to 200 kHz.
- Does the VIPER100ASP-E support burst mode operation?
Yes, it supports automatic burst mode operation in stand-by conditions to meet the German 'Blue Angel' Norm (<1W total power consumption).
- What type of control method does the VIPER100ASP-E use?
The VIPER100ASP-E uses current mode control.
- Does the VIPER100ASP-E have over-temperature protection?
Yes, it has over-temperature protection based on chip temperature sensing.
- What is the storage temperature range for the VIPER100ASP-E?
The storage temperature range is -65 to 150°C.
- Can the VIPER100ASP-E be synchronized with an external clock?
Yes, it provides a synchronization capability through the OSC pin.
- What is the typical application power range for the VIPER100ASP-E?
Typical applications cover offline power supplies with secondary power capabilities of up to 100W in single range or with doubler configuration, and 50W in wide range conditions.
- Does the VIPER100ASP-E have an integrated start-up supply?
Yes, it has an integrated start-up supply.
