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STMicroelectronics Viper06H | Demoboard STEVAL-ISA135V1
4 W, 12 V isolated flyback converter using the VIPer06HS, from the VIPer™ plus family
Overview
| Topology | Flyback Converter |
| Input voltage | 85-265 V |
| Output 1 | 12 V / 0.35 A |
| IC revision | 1 |
Description
The STEVAL-ISA135V1 is a 12 V - 4 W power supply in isolated flyback topology based on the VIPer06HS, a new offline high voltage converter having, as main features: 800 V avalanche rugged power section, PWM operation at 115 kHz with frequency jittering for lower EMI, cycle-by-cycle current limit with adjustable set point, on-board soft-start and safe auto-restart after a fault condition.
Features
- AC main input voltage: VIN 85 VAC - 265 VAC
- Main frequency: fL 50 Hz - 60 Hz
- Output voltage: VOUT 12 V
- Max output current: IOUT 333 mA
- Precision of output regulation: ΔVOUT_LF ±5 %
- High frequency output voltage ripple: ΔVOUT_HF 50 mV
- Min active mode efficiency: ηAV 71 %
- Max ambient operating temperature: TAMB 60 ºC
- Thermal shutdown with hysteresis
- Delayed overload protection
- Open loop failure protection (if auxiliary winding is used)
- RoHS compliant
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1(V) | IOut1(A) | Vaux(V) | ISAT(mA) | VT(V (AC)) | fswitch(kHz) | L(mH) | NPRI : NSEC : NAUX | L(mm) | W(mm) | H(mm) | Mount | Size | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-OLSTM Offline Flyback Transformers, 85 - 265 V (AC), 12 V | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-OLSTM Offline Flyback Transformers | Input Voltage 85 - 265 V (AC) | Output Voltage 112 V | Output Current 10.35 A | Auxiliary Voltage15 V | Saturation Current520 mA | Insulation Test Voltage4000 V (AC) | Switching Frequency 115 | Inductance1.5 mH | Turns Ratio6.87:1:1.27 | Length15 mm | Width15.75 mm | Height18.5 mm | MountTHT | SizeEE13/7/6 |