Linear Technology offers flyback regulator for applications such as automotive and military
Linear Technology
LT3512MP regulator
Linear Technology has launched the LT3512MP, a high-voltage isolated monolithic flyback regulator that is suitable for a range of applications within the telecommunications, datacommunications, automotive, industrial and military sectors.
The device — which simplifies the design of an isolated DC/DC converter — does not require an optocoupler, third winding or signal transformer for feedback, as its output voltage is sensed from the primary-side flyback signal.
In addition, it operates in a boundary-mode, current-mode control switching scheme. According to the company, this enables the use of a smaller transformer compared with equivalent designs.
The LT3512MP is offered in a compact MSOP-16 package with four pins removed in order to allow additional high-voltage pin spacing.
Click here to download the data sheet.
Key specifications
- Provides a voltage input range of 4.5–100V
- Delivers up to 4.5W of output power
- Includes a 420mA, 150V power switch
- Delivers less than ±5 per cent regulation over the full line, load and temperature range
- Operates across a junction temperature range of -55°C to 150°C
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