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Switching Regulator/Controller, Current-mode with 550kHz Switching Frequency
VSSOP (DGS)-10Manufacturer:
Mfr.Part #:
LM3481MM/NOPB
Datasheet:
Topology:
Boost, Flyback, Forward, SEPIC
Vin (min) (V):
2.97
Vin (max) (V):
48
Vout (min) (V):
1.26
EDA/CAD Models:
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With its comprehensive set of built-in protection features, including thermal shutdown, short-circuit protection, and overvoltage protection, the LM3481MM/NOPB ensures the safety and reliability of the power supply system. The power-saving shutdown mode and internal soft-start further enhance the device's efficiency and usability, making it a valuable component for power supply sequencing and start-up applications
Topology | Boost, Flyback, Forward, SEPIC | Vin (min) (V) | 2.97 |
Vin (max) (V) | 48 | Vout (min) (V) | 1.26 |
Vout (max) (V) | 500 | Regulated outputs (#) | 1 |
Switching frequency (min) (kHz) | 100 | Switching frequency (max) (kHz) | 1000 |
Iq (typ) (mA) | 3.7 | Features | Adjustable current limit, Enable, Frequency synchronization, Light Load Efficiency, Nonsynchronous rectification, Pre-Bias Start-Up, UVLO adjustable |
Duty cycle (max) (%) | 85 | Rating | Catalog |
Operating temperature range (°C) | -40 to 125 | Type | Controller |
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Stitched the w25x40 chip in the samsung monitor. The truth has not soldered yet, the firmware was not successful even with additional power, but i'm happy. The soldered chip was pressed into the clothespin and everything worked in automatic mode.