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LM25115MTX Datasheet (PDF) - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
LM25115MTX Datasheet PDF - National Semiconductor (TI)
Part # LM25115MTX
Download  LM25115MTX Download

File Size   724.73 Kbytes
Page   17 Pages
Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)
Description Secondary Side Post Regulator Controller

LM25115MTX Datasheet (PDF)

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LM25115MTX Datasheet PDF - National Semiconductor (TI)

Part # LM25115MTX
Download  LM25115MTX Click to download

File Size   724.73 Kbytes
Page   17 Pages
Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)
Description Secondary Side Post Regulator Controller

LM25115MTX Datasheet (HTML) - National Semiconductor (TI)

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LM25115MTX Product details

General Description

The LM25115 controller contains all of the features necessary to implement multiple output power converters utilizing the Secondary Side Post Regulation (SSPR) technique. The SSPR technique develops a highly efficient and well regulated auxiliary output from the secondary side switching waveform of an isolated power converter. Regulation of the auxiliary output voltage is achieved by leading edge pulse width modulation (PWM) of the main channel duty cycle. Leading edge modulation is compatible with either current mode or voltage mode control of the main output. The LM25115 drives external high side and low side NMOS power switches configured as a synchronous buck regulator.



Features

Self-synchronization to main channel output

Free-run mode for buck regulation of DC input

Leading edge pulse width modulation

Voltage-mode control with current injection and input line feed-forward

Operates from AC or DC input up to 42V

Wide 4.5V to 30V bias supply range

Wide 0.75V to 13.5V output range.

Top and bottom gate drivers sink 2.5A peak

Adaptive gate driver dead-time control

Wide bandwidth error amplifier (4MHz)

Programmable soft-start

Thermal shutdown protection

TSSOP-16 or thermally enhanced LLP-16 packages




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About National Semiconductor (TI)


National Semiconductor was an American semiconductor company that was founded in 1959.
The company was known for its innovations in the field of analog and mixed-signal integrated circuits and was a leading supplier of power management and data conversion products.
National Semiconductor's products were used in a variety of applications including consumer electronics, industrial, automotive, and telecommunications.
The company was acquired by Texas Instruments in 2011 and its products and technologies continue to be developed and sold under the Texas Instruments brand.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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