| Parameters | 
                                                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 10-SOP (0.154, 3.90mm Width) | 
                                                                            
                                            | Operating Temperature | -40°C~125°C TJ | 
                                                                            
                                            | Series | VIPER™ | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Power (Watts) | 12W | 
                                                                            
                                            | Analog IC - Other Type | SWITCHING REGULATOR | 
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 4.5V~30V | 
                                                                            
                                            | Control Features | Soft Start | 
                                                                            
                                            | Topology | Buck, Buck-Boost, Flyback | 
                                                                            
                                            | Frequency - Switching | 120kHz | 
                                                                            
                                            | Internal Switch(s) | Yes | 
                                                                            
                                            | Fault Protection | Current Limiting, Over Load, Over Voltage, Short Circuit | 
                                                                            
                                            | Duty Cycle | 80% | 
                                                                            
                                            | Output Isolation | Non-Isolated | 
                                                                            
                                            | Voltage - Breakdown | 800V | 
                                                                            
                                            | Voltage - Start Up | 16V | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                VIPER115HSTR Overview
This ac to dc converter is included in the package 10-SOP (0.154, 3.90mm Width) .Surface Mount mounts this AC/DC converter.To deliver its performance, the ac dc converter should be operated at a temperature of -40°C~125°C TJ .The AC DC converter utilizes a type SWITCHING REGULATOR analog IC.In this AC to DC transformer, the switching frequency is 120kHz .This AC/DC converter is designed for use within the range of 4.5V~30V  supply voltage (Vcc/Vdd).This AC to DC converter belongs to the VIPER?  manufacturer family.
VIPER115HSTR Features
Packaged with 10-SOP (0.154, 3.90mm Width)
Switching Frequency at 120kHz
VIPER115HSTR Applications
There are a lot of STMicroelectronics VIPER115HSTR AC DC Converters applications. 
- Standby power supplies for TV
- Rice Cooker
- Standby Power Supply
- MPS parts
- Handheld/Battery-Powered Systems
- Battery chargers for cordless
- Linear Adapter Replacements
- AC-DC Output Power Conversion Applications
- Battery Chargers
- Dimmers