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The device is an off-line converter with an 800 V avalanche ruggedness power section, a PWM controller, user defined overcurrent limit, protection against feedback network disconnection, hysteretic thermal protection, soft start up and safe auto restart after any fault condition. It is able to power itself directly from the rectified mains, eliminating the need for an auxiliary bias winding. Advance frequency jittering reduces EMI filter cost. Burst mode operation and the devices very low consumption both help to meet the standard set by energy saving regulations.
Key Features
- 800 V avalanche rugged power section
- PWM operation with frequency jittering for low EMI
- Operating frequency:
- 60 kHz for L type
- 115 kHz for H type
- No need of auxiliary winding for low power application
- Standby power < 30 mW at 230 VAC
- Limiting current with adjustable set point
- On-board soft-start
- Safe auto-restart after a fault condition
- Hysteretic thermal shutdown
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Sample & Buy
| Part Number | Package | Packing Type | Marketing Status | Budgetary Price (US$)* | Quantity | RDS(on) (Ω) (max) | Transistor Breakdown Voltage (V) (min) | Drain Current (A) (nom) | ECCN (US) | Country of Origin | More info | Order from Distributors | Order from ST |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VIPER16HN | PDIP 7 | Tube |
Active
|
0.344 | 1000 | 24 | 800 | 0.4 | EAR99 | MALAYSIA | Check Availability | Get sample | |
| VIPER16LN | PDIP 7 | Tube |
Active
|
0.344 | 1000 | 24 | 800 | 0.4 | EAR99 | MALAYSIA | Check Availability | Get sample | |
| VIPER16HD | SO-16 | Tube |
Active
|
0.323 | 1000 | 24 | 800 | 0.4 | EAR99 | CHINA | Check Availability | Buy now | |
| VIPER16HDTR | SO-16 | Tape And Reel |
Active
|
0.323 | 1000 | 24 | 800 | 0.4 | EAR99 | CHINA | Check Availability | Get sample | |
| VIPER16LD | SO-16 | Tube |
Active
|
0.323 | 1000 | 24 | 800 | 0.4 | EAR99 | CHINA | Check Availability | Buy now | |
| VIPER16LDTR | SO-16 | Tape And Reel |
Active
|
0.323 | 1000 | 24 | 800 | 0.4 | EAR99 | THAILAND | Check Availability | Get sample |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors
Featured Videos
Evaluation Tools
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Picture Part number Manufacturer Description 
STEVAL-GLA001V1 ST Triac and AC switch insulated control evaluation board 
STEVAL-ISA010V1 -- Ultra wide range dual output back converter demonstration board based on the VIPER16 
STEVAL-ISA071V2 -- 4 W non-insulated, wide input voltage range SMPS based on the VIPer16 
STEVAL-ISA117V1 -- Wide range isolated flyback demonstration board, single output 12 V/4.2 W based on the VIPer16LN 
STEVAL-ISA118V1 -- Offline power converter demonstration board using the Viper16 
STEVAL-ISA119V1 -- 1.5 W double output buck demonstration board based on the VIPER16LD 
STEVAL-ISA129V1 -- 16 V-280 mA non isolated off-line high voltage converter based on the VIPer16H Part NumberTriac and AC switch insulated control evaluation board
Ultra wide range dual output back converter demonstration board based on the VIPER16
4 W non-insulated, wide input voltage range SMPS based on the VIPer16
Wide range isolated flyback demonstration board, single output 12 V/4.2 W based on the VIPer16LN
Offline power converter demonstration board using the Viper16
1.5 W double output buck demonstration board based on the VIPER16LD
16 V-280 mA non isolated off-line high voltage converter based on the VIPer16H
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| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| VIPER16HD |
Active
|
SO-16 | Industrial | Ecopack2 | |
| VIPER16HDTR |
Active
|
SO-16 | Industrial | Ecopack2 | |
| VIPER16HN |
Active
|
PDIP 7 | Industrial | Ecopack2 | |
| VIPER16LD |
Active
|
SO-16 | Industrial | Ecopack2 | |
| VIPER16LDTR |
Active
|
SO-16 | Industrial | Ecopack2 | |
| VIPER16LN |
Active
|
PDIP 7 | Industrial | Ecopack2 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.