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VIPER115XSTR: 800V, VIPER™ Energy Efficient Offline High Voltage Converter, SSOP-10 

Model: VIPER115XSTR 

Package: SSOP-10 

Type: High Voltage Converter

Overview: 

The VIPER115XSTR is a high voltage converter that cleverly integrates an 800V avalanche-resistant power FET and a PWM current mode controller. The 800V breakdown voltage FET supports an ultra-wide input voltage range and reduces the size of the drain buffer circuit. This IC has very low power consumption and operates with pulse frequency modulation at light loads, meeting the most stringent energy conservation standards. It supports the design of flyback converters, buck and buck-boost converters. The integrated high-voltage startup, current detection, error amplifier, and jitter oscillator can be designed with minimal component count.

VIPER115XSTR Product Features: 

800 V power field-effect transistor covering an ultra-wide VAC input range 

Integrated high-voltage start-up and current detection 

Current-mode PWM controller 

Drain current limit protection 

480 mA (VIPER114) 

590 mA (VIPER115) 

Wide supply voltage range: 4.5 V to 30 V 

Frequency dithering reduces the cost of EMI filters

30 kHz ± 7% (type X) 

60 kHz ± 7% (type L) 

Integrated error amplifier and 1.2 V reference 

Automatic restart protection: overload/short-circuit (OLP), duty cycle counter, VCC clamp 

Skip-cycle protection to prevent magnetic runaway 

Integrated thermal shutdown 

Built-in soft-start for improved system reliability

VIPER115XSTR Applications: 

Low power SMPS for home appliances, home automation, industrial, consumer, lighting 

Low power adapters

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