Overview
The VIPER013LSTR is a high-voltage converter IC produced by STMicroelectronics. It integrates an 800 V avalanche-rugged power MOSFET with a PWM current mode controller, making it suitable for a wide range of AC-DC conversion applications. This device is designed to meet stringent energy-saving standards with very low consumption, especially under light load conditions. It supports the design of flyback, buck, and buck-boost converters with a minimal number of external components.
Key Specifications
| Parameter | Value |
|---|---|
| Transistor Breakdown Voltage (V) | 800 |
| Drain Current (A) | 0.36 |
| RDS(on) (Ω) | 30 |
| Supply Voltage Range | 4.5 V to 30 V |
| Switching Frequency | 30 kHz ± 7% (type X), 60 kHz ± 7% (type L), 120 kHz ± 7% (type H) |
| Operating Temperature (°C) | -40 to 150 |
| Package | SSOP 10 |
| RoHS Compliance | Ecopack2 |
Key Features
- 800 V avalanche-rugged power MOSFET allowing an ultra-wide AC input range
- Embedded HV startup and sense-FET
- Current mode PWM controller
- Drain current limit protection (OCP)
- Self-supply option to remove auxiliary winding or bias components
- Low system input power consumption: less than 10 mW @ 230 V AC in no-load condition, less than 400 mW @ 230 V AC with 250 mW load
- Jittered switching frequency to reduce EMI filter cost
- Embedded error amplifier with 1.2 V reference
- Protections with automatic restart: overload/short-circuit (OLP), line or output OVP, max. duty cycle counter, VCC clamp
- Pulse-skip protection to prevent flux-runaway
- Embedded thermal shutdown
- Built-in soft-start for improved system reliability
Applications
The VIPER013LSTR is suitable for various industrial and consumer applications requiring efficient and reliable AC-DC conversion. These include:
- Offline flyback, buck, and buck-boost converters
- Power supplies for consumer electronics and appliances
- Industrial power supplies and control systems
- LED lighting systems
- Other high-voltage DC-DC conversion applications
Q & A
- What is the breakdown voltage of the MOSFET in the VIPER013LSTR?
The breakdown voltage of the MOSFET is 800 V.
- What is the typical drain current of the VIPER013LSTR?
The typical drain current is 0.36 A.
- What is the RDS(on) of the VIPER013LSTR?
The RDS(on) is 30 Ω.
- What is the supply voltage range for the VIPER013LSTR?
The supply voltage range is from 4.5 V to 30 V.
- What are the switching frequencies available for the VIPER013LSTR?
The switching frequencies are 30 kHz ± 7% (type X), 60 kHz ± 7% (type L), and 120 kHz ± 7% (type H).
- What are the key protection features of the VIPER013LSTR?
The key protection features include overload/short-circuit protection, line or output overvoltage protection, max. duty cycle counter, VCC clamp, pulse-skip protection, and thermal shutdown.
- How does the VIPER013LSTR reduce EMI filter costs?
The VIPER013LSTR reduces EMI filter costs through its jittered switching frequency.
- What is the operating temperature range for the VIPER013LSTR?
The operating temperature range is from -40°C to 150°C.
- What package type is the VIPER013LSTR available in?
The VIPER013LSTR is available in an SSOP 10 package.
- Is the VIPER013LSTR RoHS compliant?
Yes, the VIPER013LSTR is RoHS compliant with an Ecopack2 designation.
- What are some typical applications for the VIPER013LSTR?
Typical applications include offline flyback, buck, and buck-boost converters, power supplies for consumer electronics and appliances, industrial power supplies, and LED lighting systems.
