VIPER20(022Y) STMicroelectronics Integrated Circuit (Other) In Stock
VIPER20(022Y) is an STMicroelectronics offline PWM current-mode switching regulator IC in a PENTAWATT HV-5 package, integrating an 800 V avalanche-rated power MOSFET with a PWM controller for flyback and forward converter topologies. It accepts a 9–15 V bias supply and delivers regulated output power up to 8 W. Available in a through-hole 5-pin package with worldwide distribution.
- Manufacturer
- STMicroelectronics
- Package
- Other
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- VIPER20(022Y) Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0500(MOQ 1)
- Temp Range
- ?°C to 100.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of VIPER20(022Y)?
- Integrated 800 V avalanche-rated power MOSFET with current-mode PWM controller in a single 5-pin package
- 9 V to 15 V bias input range with internal startup and soft-start for reliable offline power supply design
- Cycle-by-cycle current limiting and thermal shutdown for robust short-circuit and overload protection
- PENTAWATT HV-5 package with exposed metal tab enables direct heatsink mounting for up to 8 W output power
What is VIPER20(022Y) used for?
VIPER20(022Y) is used in low-power offline flyback power supplies for industrial controls, appliance power modules, and auxiliary supply rails in motor drives operating from 85–265 VAC mains. Its integrated high-voltage MOSFET and PWM controller reduce component count versus discrete designs, simplifying compliance with IEC 62368 and EN55032 EMC requirements. It is also deployed in standby power supplies for white goods and set-top boxes where a compact 8 W regulated rail is needed.
What are the specifications of VIPER20(022Y)?
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 15V |
| Input Voltage-Min | 9V |
| Input Voltage-Nom | 13V |
| JESD-30 Code | R-PZFM-T5 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 0.9A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | ZIP5,.1,.12,100TB |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 16mA |
| Surface Mount | NO |
| Switcher Configuration | SINGLE |
| Switching Frequency-Max | 200kHz |
| Technology | MOS |
| Terminal Finish | MATTE TIN |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | ZIG-ZAG |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the VIPER20(022Y) datasheet?
VIPER20(022Y) Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for VIPER20(022Y)?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range and maximum output power does VIPER20(022Y) support in a flyback converter?
VIPER20(022Y) accepts a bias supply of 9 V to 15 V and the integrated 800 V MOSFET allows operation from universal mains (85–265 VAC). In a single-output flyback topology it can deliver up to 8 W of regulated DC output power, making it suitable for auxiliary rails in industrial equipment and consumer appliances.
How does the current-mode PWM control in VIPER20(022Y) improve load transient response versus voltage-mode designs?
Current-mode PWM control in VIPER20(022Y) senses peak drain current on a cycle-by-cycle basis and compares it against the error amplifier output, reducing the feedback loop to a single pole at low frequencies. This provides a 6–10 dB improvement in line rejection and 2x faster load transient response compared to voltage-mode controllers, allowing output capacitance to be reduced by up to 30% while maintaining 5% load regulation.
Which protection features in VIPER20(022Y) make it suitable for unattended industrial power supplies?
VIPER20(022Y) includes cycle-by-cycle peak current limiting that clamps the drain current below 1.5 A, thermal shutdown that activates above 150°C junction temperature, and an 800 V avalanche-rated MOSFET that absorbs unclamped inductive energy. These three protection mechanisms allow the device to survive continuous short-circuit and open-loop fault conditions without requiring an external MOSFET or crowbar circuit.
When is VIPER20(022Y) preferred over a discrete MOSFET plus controller solution for a 5 W auxiliary supply?
For auxiliary supplies under 8 W, VIPER20(022Y) integrates the 800 V power MOSFET, gate driver, oscillator, and current sense into a single 5-pin PENTAWATT package, reducing the BOM by 8–12 components versus a discrete solution. This lowers assembly cost by approximately 20% and shrinks the power stage footprint by 40%, while the internal gate resistor eliminates the need for external gate drive tuning to meet CISPR 32 Class B radiated emissions limits.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.5000 | $2.50 |
| 194+ | $2.4083 | $467.21 |
| 481+ | $1.1500 | $553.15 |
| 871+ | $1.0500 | $914.55 |
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