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Product Detailed Parameters
- Description：IC OFFLINE SWITCH MULT TOP 16SO
- Series：VIPer™ plus
- Mfr：STMicroelectronics
- Package：Tube
- Output Isolation：Either
- Internal Switch(s)：Yes
- Voltage - Breakdown：800V
- Topology：Buck, Buck-Boost, Flyback
- Voltage - Start Up：13 V
- Voltage - Supply (Vcc/Vdd)：11.5V ~ 23.5V
- Duty Cycle：70%
- Frequency - Switching：115kHz
- Fault Protection：Current Limiting, Over Temperature
- Control Features：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SO
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
- Power (Watts)：10 W
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Overview
The VIPER16HD is an AC/DC switching converter from the VIPerPlus family, designed for flyback topology applications. It features an 800 V avalanche rugged power section and operates at a switching frequency of 127 kHz. The device supports a supply voltage range from 11.5 V to 23.5 V, with a maximum operating current of 1.5 mA. It includes soft start functionality and functions within a temperature range of -40 °C to +150 °C. Packaged in a 16-pin SO N tube, it integrates PWM control and hysteretic thermal protection.
Feature Summary
- Integrates an 800 V avalanche rugged power section for high-voltage offline operation.
- Features PWM controller with frequency jittering to reduce EMI filter costs.
- Includes safe auto-restart after fault conditions and hysteretic thermal shutdown.
- Eliminates auxiliary bias winding requirements for low-power applications.
Applications
- Offline AC/DC converters
- Flyback power supply designs
- Energy-saving consumer electronics
Procurement Notes
Verify the specific suffix HD against official STMicroelectronics documentation to confirm pinout and electrical characteristics. Ensure compatibility with the intended flyback transformer design and input voltage range. Cross-reference the 16-pin SO N package dimensions with PCB layout requirements. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement specifications.
Selection Notes
Select this component for applications requiring high-voltage isolation and integrated protection features. Consider the 127 kHz switching frequency for balancing efficiency and EMI performance. Evaluate the need for adjustable overcurrent limiting and soft-start capabilities. Verify that the operating temperature range meets the environmental requirements of the target system.
Part Context
The VIPER16HD belongs to the VIPerPlus family, which focuses on energy-efficient power conversion. This series utilizes advanced silicon technology to provide compact solutions for offline converters. The device simplifies design by integrating the power switch and controller into a single package, reducing component count and board space.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided data. Consult STMicroelectronics or authorized distributors for direct replacements or pin-compatible alternatives.
