Lemontree

VIPER37HE - 15W, 12V output isolated flyback converter using VIPer™Plus

STEVAL-ISA140V1

Overview

The STEVAL-ISA140V1 is a 15 W wide range evaluation board based on the Viper37HE. It is designed as an example of an isolated auxiliary power supply.

The board and the transformer were designed and optimized in order to have a very compact size evaluation board.

Main features

AC Main Input voltage range: 100 V_ACto 265 V_AC
Mains frequency (f_L): 50 Hz / 60 Hz
Output voltage typ: 12 V
Output current: 1.25 A
Output ripple voltage: 50 mV
Rated output power: 15 W
Input power in standby @230 V_AC: 50 mW
Active mode efficiency: 78%
Ambient operating temperature: 60 °C
RoHS compliant

Design Files

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2025-08-08 23:23:08

In-depth analysis | RF front-end technology in the 5G era
With the advent of the 5G era, network base stations and user devices (such as mobile phones) have become thinner and smaller, and their energy consumption has also become lower. In order to fit small
XILINX FPGA Chip
I originally wanted to design and make an FPGA learning board by myself, taking XC7A100T as an example. I planned to buy two samples, but found that the price was ridiculously expensive, 700 RMB. Is i
Problems with player OSD overlay under Windows CE
Come on, everyone, stop and come in to see the problem, express your opinions, and help solve the problem~ I am currently making a player using TCPMP. The function I want to achieve is that when the f
The DDT navigation software cannot run on my customized WINCE6.0, and no messages are printed on the serial port. My RAM space is about 83MB. Why?
The DDT navigation software cannot run on my customized WINCE6.0, and no messages are printed on the serial port. My RAM space is about 83MB. Why?
MSP430 boosterpack touch button host computer
Testing the 430 lunchpad and its accompanying touch buttons
When ARM7 is initialized, how does the initial clock frequency (Fin) come from? (Platform is Broadcom UP-NETARM3000)
I am a beginner. I have a 32.768KHZ crystal on the UP-NETARM3000 board. What is the input clock frequency (Fin) of the system when it starts? Is it set manually or by the machine? Why is Fin=6MHz Fout

Datasheet More

Circuits More