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STMicroelectronics Viper26H | Demoboard STEVAL-ISA111V1
STEVAL-ISA111V1: 12 V / 12 W, 115 kHz non-isolated flyback
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 90-265 V |
| Ausgang 1 | 12 V / 1 A |
| IC-Revision | 1 |
Beschreibung
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.
Eigenschaften
◾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
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | ISAT(A) | fres(MHz) | Version | IRP,40K(A) | Bauform | ISAT,10%(A) | ISAT,30%(A) | IR,40K(A) | L(µH) | IR(A) | RDC max.(mΩ) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT-Speicherdrossel, 0.45 A, 2.3 MHz | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PD SMT-Speicherdrossel | Sättigungsstrom0.45 A | Eigenresonanzfrequenz2.3 MHz | VersionPerformance | – | Bauform1030 | – | – | – | Induktivität1000 µH | Nennstrom0.3 A | Gleichstromwiderstand4600 mΩ | ||||
 | WE-SPC SMT-Speicherdrossel, 0.8 A, 8 MHz | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-SPC SMT-Speicherdrossel | Sättigungsstrom0.8 A | Eigenresonanzfrequenz8 MHz | VersionSMT | – | Bauform4838 | – | – | – | Induktivität82 µH | Nennstrom0.58 A | Gleichstromwiderstand750 mΩ | ||||
 | WE-FI Funkentstördrossel, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-FI Funkentstördrossel | – | – | – | – | – | – | – | – | Induktivität470 µH | Nennstrom1.6 A | Gleichstromwiderstand225 mΩ | |||
 | WE-PD Speicherdrossel, –, 1.8 MHz | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PD Speicherdrossel | – | Eigenresonanzfrequenz1.8 MHz | VersionGestanzt | Performance Nennstrom1.45 A | Bauform1210 | Sättigungsstrom 11.5 A | Sättigungsstrom @ 30%1.85 A | Nennstrom1.4 A | Induktivität470 µH | Nennstrom1.4 A | Gleichstromwiderstand560 mΩ |