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Overview
| Topology | Positive to Negative Converter |
| IC revision | 1 |
Description
The VIPER26 device is a smart high voltage converter that integrates an 800 V avalanche-rugged power MOSFET with PWM current mode control. The power MOSFET with 800 V breakdown voltage allows an extended input voltage range to be applied, as well as the size of the DRAIN snubber circuit to be reduced. This IC meets the most stringent energy-saving standards with very low consumption and burst mode operation under light load.The design of flyback, buck and buck boost converters is supported. The integrated HV startup, sense-FET, error amplifier and oscillator with jitter allow complete application designs with a minimum number of components.
Features
- 800 V avalanche rugged power MOSFET allowing wide range VAC input range to be covered
- Embedded HV startup and sense-FET
- Current mode PWM controller
- Minimized system input power consumption:
- Less than 30 mW @ 230 VAC in no-load condition
- Less than 400 mW @ 230 VAC with 250 mW load
- Limiting current with adjustable set point
- Jittered switching frequency to reduce the EMI filter cost:
- 60 kHz ±4 kHz (L type)
- 115 kHz ±8 kHz (H type)
- Embedded error amplifier
- Hysteretic thermal shutdown
- Built-in soft-start for improved system reliability
- Protections with automatic restart: overload/short-circuit (OLP), feedback loop disconnection
Typical applications
- Auxiliary power supply for appliances, Power metering, SMPS for set-top boxes, DVD players and recorders
- LED drivers
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | SW(mm) | Ti | Endurance(h) | IRIPPLE(mA) | Z(mΩ) | ILeak(µA) | Ø D(mm) | Pins | Mount | IR(mA) | Working Voltage(V (AC)) | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | Z @ 1 GHz(Ω) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 6.8 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance6.8 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), 68 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance68 nF | Capacitance±10% | Rated Voltage25 V (DC) | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Insulation Resistance7.4 GΩ | Ceramic TypeX7R Class II | Length2 mm | Width1.25 mm | Height0.8 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 100 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance100 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), 470 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance470 nF | Capacitance±10% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Insulation Resistance1.1 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WCAP-ASLL Aluminum Electrolytic Capacitors, 2.2 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLL Aluminum Electrolytic Capacitors | Capacitance2.2 µF | Capacitance±20% | Rated Voltage50 V (DC) | Size4.0 x 5.5 | Operating Temperature -55 °C up to +105 °C | Dissipation Factor12 % | Insulation Resistance16.6667 MΩ | – | Length5.5 mm | Width4.3 mm | – | – | Packaging15" Tape & Reel | – | – | Endurance 2000 | Ripple Current60 mA | Impedance3900 mΩ | Leakage Current3 µA | Diameter4 mm | – | MountV-Chip SMT | – | – | – | – | – | – | – | – | ||||
 | WCAP-ASNP Aluminum Electrolytic Capacitors, 10 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASNP Aluminum Electrolytic Capacitors | Capacitance10 µF | Capacitance±20% | Rated Voltage16 V (DC) | Size4.0 x 5.5 | Operating Temperature -40 °C up to +85 °C | Dissipation Factor17 % | Insulation Resistance5.33333 MΩ | – | Length5.5 mm | Width4.3 mm | – | – | Packaging15" Tape & Reel | – | – | Endurance 2000 | Ripple Current23 mA | Impedance3682.57 mΩ | Leakage Current10 µA | Diameter4 mm | – | MountV-Chip SMT | – | – | – | – | – | – | – | – | ||||
 | WCAP-ASLI Aluminum Electrolytic Capacitors, 56 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLI Aluminum Electrolytic Capacitors | Capacitance56 µF | Capacitance±20% | Rated Voltage10 V (DC) | Size6.3 x 5.5 | Operating Temperature -55 °C up to +105 °C | Dissipation Factor19 % | Insulation Resistance1.78571 MΩ | – | Length5.5 mm | Width6.6 mm | – | – | Packaging15" Tape & Reel | – | – | Endurance 2000 | Ripple Current210 mA | Impedance570 mΩ | Leakage Current5.6 µA | Diameter6.3 mm | – | MountV-Chip SMT | – | – | – | – | – | – | – | – | ||||
| WCAP-ASLI Aluminum Electrolytic Capacitors, 330 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLI Aluminum Electrolytic Capacitors | Capacitance330 µF | Capacitance±20% | Rated Voltage25 V (DC) | Size8.0 x 10.5 | Operating Temperature -55 °C up to +105 °C | Dissipation Factor14 % | Insulation Resistance0.30303 MΩ | – | Length10.5 mm | Width8.3 mm | – | – | Packaging15" Tape & Reel | – | – | Endurance 2000 | Ripple Current570 mA | Impedance200 mΩ | Leakage Current82.5 µA | Diameter8 mm | – | MountV-Chip SMT | – | – | – | – | – | – | – | – | ||||
 | WE-CBF HF SMT EMI Suppression Ferrite Bead (High Frequency), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | – | – | – | Size0603 | Operating Temperature -55 °C up to +125 °C | – | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.3 mm | – | – | – | – | – | – | – | – | – | MountSMT | Rated Current500 mA | – | Impedance @ 100 MHz600 Ω | Maximum Impedance950 Ω | Maximum Impedance600 MHz | Rated Current 2500 mA | Impedance @ 1 GHz800 Ω | TypeHigh Current | |||||
 | WA-SBRII Brass Spacer Stud, metric, internal/internal, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SBRII Brass Spacer Stud, metric, internal/internal | – | – | – | – | Operating Temperature -55 °C up to +150 °C | – | – | – | Length12 mm | – | – | – | PackagingCarton | SW5.5 mm | Inner ThreadM3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length7.62 mm | – | – | – | PackagingBag | – | – | – | – | – | – | – | Pins3 | MountTHT | Rated Current3000 mA | Working Voltage250 V (AC) | – | – | – | – | – | TypeStraight | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length10.16 mm | – | – | – | PackagingBag | – | – | – | – | – | – | – | Pins4 | MountTHT | Rated Current3000 mA | Working Voltage250 V (AC) | – | – | – | – | – | TypeStraight | |||
 | 750318317 | Offline Transformer, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Offline Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |