VIPER53-E：Fixed frequency off line converter
The VIPer53-E combines an enhanced current mode PWM controller with a high voltage MDMesh Power Mosfet in the same package. Typical applications cover offline power supplies with a secondary power capability ranging up to 30W in wide range input voltage, or 50W in single European voltage range and DIP-8 package, with the following benefits:Overload and short circuit controlled by feedback monitoring and delayed device reset.Efficient standby mode by enhanced pulse skipping.Primary regulation or secondary loop failure protection through high gain error amplifier.
Key Features
- High voltage start-up current source
- Undervoltage lockout with Hysteresis
- Overload and short-circuit control
- Switching frequency up to 300kHz
- Current mode control with adjustable limitation
- Current limitation
- Automatic burst mode in standby condition (“Blue Angel“ compliant )
- Overtemperature protection
- Soft start and shut-down control
Product Specifications
| Description | Version | Size |
|---|---|---|
| DS4980: OFF-line primary switch | 1.2 | 355 KB |
Application Notes
Technical Notes & Articles
| Description | Version | Size |
|---|---|---|
| TN0023: Discontinuous flyback transformer description and design parameters | 2.0 | 64 KB |
| TN0024: Power supply HOLD-UP time | 1.1 | 134 KB |
Design Notes & Tips
| Description | Version | Size |
|---|---|---|
| DN0010: Adapting ST power line modem evaluation boards to communicate over a DC bus | 1.1 | 405 KB |
Brochures
| Description | Version | Size |
|---|---|---|
| Brochure Power management guide | 05.2016 | 4 MB |
Sample & Buy
| Part Number | Package | Packing Type | Unit Price (US$) * | Quantity | RDS(on) (Ω) (max) | Transistor Breakdown Voltage (V) (min) | Drain Current (A) (nom) | ECCN (EU) | ECCN (US) | Country of Origin |
|---|---|---|---|---|---|---|---|---|---|---|
| VIPER53DIP-E | DIP-8 | Tube | - | - | 1 | 620 | 2 | NEC | EAR99 | MALAYSIA |
| VIPER53SP-E | PowerSO-10 | Tube | - | - | 1 | 620 | 2 | NEC | EAR99 | MOROCCO |
| VIPER53SPTR-E | PowerSO-10 | Tape And Reel | - | - | 1 | 620 | 2 | NEC | EAR99 | MOROCCO |
Quality & Reliability
| Part Number | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|
| VIPER53DIP-E | DIP-8 | Industrial | Ecopack1 | md_8w-wspc-pdip-wspc-08-wspc-.3-wspc-cu-wspc-.25-wspc-au-wspc-w._9r8wvnh1bbx-wspc-(viper53dip-e)_a__signed.pdf md_8w-wspc-pdip-wspc-08-wspc-.3-wspc-cu-wspc-.25-wspc-au-wspc-w._9r8wvnh1bbx-wspc-(viper53dip-e)_a_ver2.xml |
| VIPER53SP-E | PowerSO-10 | Industrial | Ecopack1 | |
| VIPER53SPTR-E | PowerSO-10 | Industrial | Ecopack1 |
- OFF-line primary switch VIPER53-E
- circuit_diagram_12840_thumbnail.png VIPER53-E
- DVD combo power supply with the VIPer53-E VIPER53-E
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- VIPower™: implementing frequency modulation on the VIPer53-E to improve EMI emissions VIPER53-E
- VIPower™: the VIPer53-E single output reference board with 90 to 264 Vac input, 24 W output VIPER53-E
- Discontinuous flyback transformer description and design parameters VIPER22ADIP-E
- Power supply HOLD-UP time VIPER53-E
- Adapting ST power line modem evaluation boards to communicate over a DC bus L4971
- Very low drop voltage regulators with inhibit KFXX
- md_8w-wspc-pdip-wspc-08-wspc-.3-wspc-cu-wspc-.25-wspc-au-wspc-w._9r8wvnh1bbx-wspc-(viper53dip-e)_a__signed.pdf VIPER53-E
- md_8w-wspc-pdip-wspc-08-wspc-.3-wspc-cu-wspc-.25-wspc-au-wspc-w._9r8wvnh1bbx-wspc-(viper53dip-e)_a_ver2.xml VIPER53-E
