Product overview
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.
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All 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
Circuit Diagram
eDesignSuite
eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.
Power Management Design Center
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Signal Conditioning Design Tool
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Power Management Design Center
LED Lighting Design Tool
• Handles AC-DC and DC-DC design in common topologies
• Displays interactive and annotated schematic
• Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data
Choose type: DC/DC AC/DC
Power Management Design Center
Digital Power Workbench
• Provides a step-by-step optimized design of power section and control loop
• Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs
Power Management Design Center
Power Tree Designer
• Specify input/output power for each node in the tree
• Check for consistency
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STPOWER Studio
• Supports long mission profiles
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• Helps define heatsink thermal properties
Thermal-electrical Simulators for Components
Twister Sim
• Help select the right ViPOWER Automotive power device
• Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis
• Supports various PCB configurations
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• Specify system ratings and surge waveform
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Estimate
• Build simple schematics and firmware inputs in minutes
• Quickly generate reliable estimates of battery life, system power consumption and bill of materials costs
Thermal-electrical Simulators for Components
PCB Thermal Simulator
• Thermal analysis of a PCB from Gerber files.
• Possibility to add heat sources, heat sinks, copper areas and thermal paths.
• Powerful server-side engine for rendering and simulation.
• Thermal results shown graphically via 2D table.
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Signal Conditioning Design Tool
Active Filters
• Handles multi-stage-designs and common topologies
• Returns circuit component values
• Provides gain, phase and group delay graphs
• Low Pass, High Pass and Band Pass
Signal Conditioning Design Tool
Comparators
• Handles most common configurations
• Returns circuit components values
• Provides I/O signal waveforms
• Inverting, Non Inverting, Window
Signal Conditioning Design Tool
Low side Current Sensing
• Returns circuit component values
• Provides current error graphs
Signal Conditioning Design Tool
High side Current Sensing
• Provides current error graphs.
• Help to select the right High side current sensing and shunt devices.
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NFC/RFID Calculators
NFC Inductance
• Input geometry and substrate properties
• Get antenna impedance
NFC/RFID Calculators
UHF Link Budget
• Enter forward and reverse link characteristics
• The tool returns link budget estimate
NFC/RFID Calculators
NFC Tuning Circuit
• Enter antenna parameter and matching target
• Select the topology of the matching network
• The tool returns component values for the desired design targets
Power Management Design Center
Power Supply Design Tool
• SMPS design, by topology, by type and by product
• PFC design with analog and digitial control
• Supports various PCB configurations
Choose type: DC/DC AC/DC Solar Battery Charger
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Power supplies and converters -- Worldwide,Asia,Europe,Africa,North America,South America,Oceania,Afghanistan,Bahrain,Bangladesh,Bhutan,Brunei,Burma (Myanmar),Cambodia,China,East Timor,India,Indonesia,Iraq,Japan,Jordan,Kazakhstan,Kuwait,Kyrgyzstan,Laos,Malaysia,Maldives,Mongolia,Nepal,Oman,Pakistan,Philippines,Qatar,Russian Federation,Saudi Arabia,Singapore,South Korea,Sri Lanka,Taiwan,Tajikistan,Thailand,Turkmenistan,United Arab Emirates,Uzbekistan,Vietnam,Yemen,Albania,Andorra,Armenia,Austria,Azerbaijan,Belarus,Belgium,Bosnia and Herzegovina,Bulgaria,Croatia,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Georgia,Germany,Greece,Hungary,Iceland,Ireland,Israel,Italy,Latvia,Liechtenstein,Lithuania,Luxembourg,Macedonia,Malta,Moldova,Monaco,Montenegro,Netherlands,Norway,Poland,Portugal,Romania,San Marino,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey,Ukraine,United Kingdom,Vatican City,Algeria,Angola,Benin,Botswana,Burkina,Burundi,Cameroon,Cape Verde,Central African Republic,Chad,Comoros,Democratic Republic of Congo,Djibouti,Egypt,Equatorial Guinea,Eritrea,Ethiopia,Gabon,Gambia,Ghana,Guinea,Guinea-Bissau,Ivory Coast,Kenya,Lesotho,Liberia,Libya,Madagascar,Malawi,Mali,Mauritania,Mauritius,Morocco,Mozambique,Namibia,Niger,Nigeria,Rwanda,Sao Tome and Principe,Senegal,Seychelles,Sierra Leone,Somalia,South Africa,Swaziland,Tanzania,Togo,Tunisia,Uganda,Zambia,Zimbabwe,Antigua and Barbuda,Bahamas,Barbados,Belize,Canada,Costa Rica,Dominica,Dominican Republic,El Salvador,Grenada,Guatemala,Haiti,Honduras,Jamaica,Mexico,Nicaragua,Panama,Saint Kitts and Nevis,Saint Lucia,Saint Vincent and the Grenadines,Trinidad and Tobago,United States,Argentina,Bolivia,Brazil,Chile,Colombia,Ecuador,Guyana,Paraguay,Peru,Suriname,Uruguay,Venezuela,Australia,Fiji,Kiribati,Marshall Islands,Micronesia,Nauru,New Zealand,Palau,Papua New Guinea,Samoa,Solomon Islands,Tonga,Tuvalu,Vanuatu STEVAL-ISA116V1
Active5 W, 2-output wide-range buck converter based on the VIPER26LD
Power supplies and converters ST Worldwide,Asia,Europe,Africa,North America,South America,Oceania,Afghanistan,Bahrain,Bangladesh,Bhutan,Brunei,Burma (Myanmar),Cambodia,China,East Timor,India,Indonesia,Iraq,Japan,Jordan,Kazakhstan,Kuwait,Kyrgyzstan,Laos,Malaysia,Maldives,Mongolia,Nepal,Oman,Pakistan,Philippines,Qatar,Russian Federation,Saudi Arabia,Singapore,South Korea,Sri Lanka,Taiwan,Tajikistan,Thailand,Turkmenistan,United Arab Emirates,Uzbekistan,Vietnam,Yemen,Albania,Andorra,Armenia,Austria,Azerbaijan,Belarus,Belgium,Bosnia and Herzegovina,Bulgaria,Croatia,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Georgia,Germany,Greece,Hungary,Iceland,Ireland,Israel,Italy,Latvia,Liechtenstein,Lithuania,Luxembourg,Macedonia,Malta,Moldova,Monaco,Montenegro,Netherlands,Norway,Poland,Portugal,Romania,San Marino,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey,Ukraine,United Kingdom,Vatican City,Algeria,Angola,Benin,Botswana,Burkina,Burundi,Cameroon,Cape Verde,Central African Republic,Chad,Comoros,Democratic Republic of Congo,Djibouti,Egypt,Equatorial Guinea,Eritrea,Ethiopia,Gabon,Gambia,Ghana,Guinea,Guinea-Bissau,Ivory Coast,Kenya,Lesotho,Liberia,Libya,Madagascar,Malawi,Mali,Mauritania,Mauritius,Morocco,Mozambique,Namibia,Niger,Nigeria,Rwanda,Sao Tome and Principe,Senegal,Seychelles,Sierra Leone,Somalia,South Africa,Swaziland,Tanzania,Togo,Tunisia,Uganda,Zambia,Zimbabwe,Antigua and Barbuda,Bahamas,Barbados,Belize,Canada,Costa Rica,Dominica,Dominican Republic,El Salvador,Grenada,Guatemala,Haiti,Honduras,Jamaica,Mexico,Nicaragua,Panama,Saint Kitts and Nevis,Saint Lucia,Saint Vincent and the Grenadines,Trinidad and Tobago,United States,Argentina,Bolivia,Brazil,Chile,Colombia,Ecuador,Guyana,Paraguay,Peru,Suriname,Uruguay,Venezuela,Australia,Fiji,Kiribati,Marshall Islands,Micronesia,Nauru,New Zealand,Palau,Papua New Guinea,Samoa,Solomon Islands,Tonga,Tuvalu,Vanuatu STEVAL-ISA175V1
Active9.4 W, 15 V-5 V-3.3 V, three output isolated flyback converter for smart meter and power line systems using the VIPER26HD
Power supplies and converters ST STEVAL-ISA175V1Description:
9.4 W, 15 V-5 V-3.3 V, three output isolated flyback converter for smart meter and power line systems using the VIPER26HD
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All resources
| Resource title | Version | Latest update |
|---|
Product Specifications (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 3.0 | 12 Oct 2020 | 12 Oct 2020 |
Application Notes (2)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 1.0 | 20 May 2024 | 20 May 2024 | ||
| 2.0 | 31 Jan 2024 | 31 Jan 2024 |
User Manuals (2)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 2.1 | 12 Nov 2018 | 12 Nov 2018 | ||
| 2.0 | 11 May 2015 | 11 May 2015 |
Design Notes & Tips (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 1.0 | 20 May 2017 | 20 May 2017 |
Application Notes for related Tools & Software (3)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 2.0 | 12 Dec 2024 | 12 Dec 2024 | ||
| 1.0 | 20 May 2024 | 20 May 2024 | ||
| 1.0 | 20 May 2024 | 20 May 2024 |
Presentations (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 1.0 | 01 Aug 2015 | 01 Aug 2015 |
Brochures (4)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 1.0 | 17 Mar 2023 | 17 Mar 2023 | ||
| 12.2024 | 09 Jan 2025 | 09 Jan 2025 | ||
| 08.2022 | 12 Aug 2022 | 12 Aug 2022 | ||
| 08.2022 | 17 Aug 2022 | 17 Aug 2022 |
EDA Symbols, Footprints and 3D Models
STMicroelectronics - VIPER26
Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.
Please select one model supplier :
Symbols
Footprints
3D models
All resources
| Resource title | Version | Latest update |
|---|
SPICE models (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| ZIP | 2.0 | 10 Jan 2017 | 10 Jan 2017 |
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| VIPER26HD | Active | SO-16 | Industrial | Ecopack2 | |
| VIPER26HDTR | Active | SO-16 | Industrial | Ecopack2 | |
| VIPER26HN | Active | PDIP 7 | Industrial | Ecopack2 | |
| VIPER26LD | Active | SO-16 | Industrial | Ecopack2 | |
| VIPER26LDTR | Active | SO-16 | Industrial | Ecopack2 | |
| VIPER26LN | Active | PDIP 7 | Industrial | Ecopack2 |
Marketing Status
Active
Package
SO-16
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Active
Package
SO-16
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Active
Package
PDIP 7
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Active
Package
SO-16
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Active
Package
SO-16
Grade
Industrial
RoHS Compliance Grade
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.
Sample & Buy
Swipe or click the button to explore more details Don't show this again
| Part Number | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating Temperature (°C) (min) | Operating Temperature (°C) (max) | Transistor Breakdown Voltage (V) (min) | Drain Current (A) (nom) | RDS(on) (Ω) (max) | |||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VIPER26LN | | | Available at 4 distributors Distributor availability of VIPER26LN
Distributor reported inventory date: 3/8/2025 | | | | Buy from Distributor | |
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| VIPER26LD | | | Available at 4 distributors Distributor availability of VIPER26LD
Distributor reported inventory date: 3/8/2025 | | | | Buy from Distributor | |
|
|
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| VIPER26HN | | | Available at 3 distributors Distributor availability of VIPER26HN
Distributor reported inventory date: 3/8/2025 | | | | Buy from Distributor | |
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| VIPER26LDTR | | | Available at 5 distributors Distributor availability of VIPER26LDTR
Distributor reported inventory date: 3/8/2025 | | | | Buy from Distributor | |
|
|
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| VIPER26HD | | | Available at 2 distributors Distributor availability of VIPER26HD
Distributor reported inventory date: 3/8/2025 | | | | Buy from Distributor | |
|
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| VIPER26HDTR | | | Available at 6 distributors Distributor availability of VIPER26HDTR
Distributor reported inventory date: 3/8/2025 | | | | Buy from Distributor | |
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VIPER26LN Active
Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):
Part Number:
VIPER26LN
Transistor Breakdown Voltage (V) (min):
800
Drain Current (A) (nom):
0.7
RDS(on) (Ω) (max):
7
Distributor Name
Farnell Element14
Stock
1616Min.Order
1MOUSER
Stock
1242Min.Order
1DIGIKEY
Stock
1556Min.Order
1YOSUN
Stock
180Min.Order
1Distributor reported inventory date: 3/8/2025
Stock
Min.Order
VIPER26LD Active
Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):
Part Number:
VIPER26LD
Transistor Breakdown Voltage (V) (min):
800
Drain Current (A) (nom):
0.7
RDS(on) (Ω) (max):
7
Distributor Name
Farnell Element14
Stock
3813Min.Order
1MOUSER
Stock
14682Min.Order
1DIGIKEY
Stock
1775Min.Order
1YOSUN
Stock
100Min.Order
1Distributor reported inventory date: 3/8/2025
Stock
Min.Order
VIPER26HN Active
Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):
Part Number:
VIPER26HN
Transistor Breakdown Voltage (V) (min):
800
Drain Current (A) (nom):
0.7
RDS(on) (Ω) (max):
7
Distributor Name
Farnell Element14
Stock
1253Min.Order
1MOUSER
Stock
6231Min.Order
1DIGIKEY
Stock
68Min.Order
1Distributor reported inventory date: 3/8/2025
Stock
Min.Order
VIPER26LDTR Active
Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):
Part Number:
VIPER26LDTR
Transistor Breakdown Voltage (V) (min):
800
Drain Current (A) (nom):
0.7
RDS(on) (Ω) (max):
7
Distributor Name
MOUSER
Stock
10175Min.Order
1FUTURE
Stock
5000Min.Order
2500AVNET
Stock
2500Min.Order
0DIGIKEY
Stock
7068Min.Order
1YOSUN
Stock
100Min.Order
1Distributor reported inventory date: 3/8/2025
Stock
Min.Order
VIPER26HD Active
Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):
Part Number:
VIPER26HD
Transistor Breakdown Voltage (V) (min):
800
Drain Current (A) (nom):
0.7
RDS(on) (Ω) (max):
7
Distributor Name
MOUSER
Stock
15962Min.Order
1DIGIKEY
Stock
2109Min.Order
1Distributor reported inventory date: 3/8/2025
Stock
Min.Order
VIPER26HDTR Active
Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):
Part Number:
VIPER26HDTR
Transistor Breakdown Voltage (V) (min):
800
Drain Current (A) (nom):
0.7
RDS(on) (Ω) (max):
7
Distributor Name
Farnell Element14
Stock
6897Min.Order
1MOUSER
Stock
5779Min.Order
1FUTURE
Stock
57500Min.Order
2500AVNET
Stock
2500Min.Order
0DIGIKEY
Stock
345Min.Order
1Newark Element14
Stock
106Min.Order
0Distributor reported inventory date: 3/8/2025
Stock
Min.Order
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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors