VIPER22AS-E
- Mfr.Part #
- VIPER22AS-E
- Manufacturer
- STMicroelectronics
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC OFFLINE SWITCH FLYBACK 8SOIC
- Stock
- 220,896
- In Stock :
- 220,896
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- Manufacturer :
- STMicroelectronics
- Product Category :
- AC DC Converters, Offline Switches
- Number of Pins :
- 8
- Power Rating :
- 7W
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Mount :
- Surface Mount
- ECCN Code :
- EAR99
- Fall Time (Typ) :
- 100 ns
- Operating Temperature :
- -40°C~150°C TC
- Input Voltage-Nom :
- 18V
- Base Part Number :
- VIPER22
- Terminal Form :
- Gull wing
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Height :
- 1.65mm
- Operating Supply Current :
- 4.5mA
- REACH SVHC :
- No SVHC
- Control Mode :
- CURRENT-MODE
- Terminal Position :
- Dual
- Voltage - Start Up :
- 14.5V
- Internal Switch(s) :
- yes
- JESD-609 Code :
- e4
- Max Duty Cycle :
- 16 %
- Mounting Type :
- Surface Mount
- Max Power Dissipation :
- 7W
- Width :
- 4mm
- Weight :
- 506.605978mg
- Max Supply Current :
- 5mA
- Switcher Configuration :
- Single
- Factory Lead Time :
- 10 Weeks
- Output Current :
- 700mA
- Number of Channels :
- 1
- Frequency :
- 60kHz
- Packaging :
- Tube
- Lead Free :
- Lead Free
- Pin Count :
- 8
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Output Power :
- 7W
- Fault Protection :
- Current Limiting, Over Temperature, Over Voltage
- Output Isolation :
- Isolated
- Rise Time :
- 50ns
- Topology :
- Flyback
- Length :
- 5mm
- Output Voltage :
- 730V
- Min Input Voltage :
- 85V
- Nominal Input Voltage :
- 18V
- Number of Terminations :
- 8
- Series :
- VIPER™
- Number of Functions :
- 1
- Max Input Voltage (AC) :
- 265V
- Min Input Voltage (AC) :
- 85V
- Max Input Voltage :
- 265V
- Radiation Hardening :
- No
- Peak Reflow Temperature (Cel) :
- 260
- Voltage - Supply (Vcc/Vdd) :
- 8V~38V
- Control Technique :
- PULSE WIDTH MODULATION
- RoHS Status :
- ROHS3 Compliant
- Analog IC - Other Type :
- SWITCHING REGULATOR
- Datasheets
- VIPER22AS-E
VIPER22AS-E Documents

AC DC Converters, Offline Switches STMicroelectronics VIPER22AS-E Overview
The STMicroelectronics VIPER22AS-E is a compact, high-efficiency IC offline switch designed for AC/DC converters and offline switching applications. This integrated circuit is encapsulated in an 8SOIC package, offering a robust solution for compact power supplies. With its integrated PWM controller and MOSFET, the VIPER22AS-E provides a highly reliable solution for power supply designs, minimizing external component count while enhancing overall system reliability. This product is perfect for businesses looking to integrate reliable and efficient power solutions in their bulk manufacturing processes.
VIPER22AS-E Features
The VIPER22AS-E incorporates several key features that enhance its applicability in various power management scenarios. It includes an integrated oscillator, error amplifier, and a high-voltage startup circuit, which ensures stable operation over a wide input voltage range. The device also offers over-voltage protection, under-voltage lockout, and thermal shutdown capabilities to ensure safe operation under varying electrical conditions. Additionally, its built-in frequency jittering reduces EMI emissions, a critical factor in maintaining compliance with international standards.
VIPER22AS-E Applications
- Power Supplies for Consumer Electronics: Utilized in TVs, audio equipment, and home appliances to ensure efficient power conversion and safe operation.
- Smart Home Devices: Integrated into smart lighting systems and other home automation devices, providing stable power with minimal energy loss.
- Industrial Power Units: Employed in automation systems and industrial machinery to deliver reliable and efficient power supply solutions.
- Telecommunication Equipment: Used in routers, modems, and other networking equipment to provide consistent power, enhancing device reliability and performance.
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