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The STEVAL-ISA111V1 demonstration board is a 12 V, 1 A power supply set in non-isolated flyback topology using the VIPER26HN, the new offline high voltage converter by STMicroelectronics.
The features include an 800 V avalanche rugged power section, PWM operation at 115 kHz with frequency jittering for lower EMI, current limiting with adjustable set point, onboard soft-start, a safe auto-restart after a fault condition and a low standby power. The protections include thermal shutdown with hysteresis, delayed overload protection, and open loop failure protection.
Key Features
- Universal input mains range:
- input voltage 90 - 264 VAC
- frequency 45 - 65 Hz
- Single-output voltage: 12 V at 1 A continuous operation
- Standby mains consumption: < 30 mW at 230 VAC
- Average efficiency: > 80%
- Fully protected against faults (overload, feedback disconnection and overheating)
- EMI: according to EN55022-Class-B
- RoHS compliant
- Universal input mains range:
Sample & Buy
| Part Number | Core Product | Marketing Status | ECCN (US) | Country of Origin | Board production status | Approximate Price (US$)* / Qty | Order from ST | Order from Distributors |
|---|---|---|---|---|---|---|---|---|
| STEVAL-ISA111V1 | VIPER26HN | Active | EAR99 | ITALY | Out of production | 99.23 / 1.0 | No availability of distributors reported, please contact our sales office |
STEVAL-ISA111V1
Core Product
VIPER26HNMarketing Status
ActiveApproximate Price (US$)* / Qty
99.23 / 1.0(*) 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
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | WEEE Compliant | Material Declaration** |
|---|---|---|---|---|---|---|
| STEVAL-ISA111V1 | Active | CARD | Industrial | Ecopack2 | - | |
STEVAL-ISA111V1
Package:
CARDMaterial Declaration**:
(**) 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.
