Tsum1pfr-lf Datasheet -

I understand you're asking for a report based on a part number that looks like "Tsum1pfr-lf" — but this doesn't match any known electronic component datasheet I can find. It resembles a mis-typed or possibly internal/custom part number.

LCD Monitors: Used as the main scalar chip for desktop and industrial monitors. Tsum1pfr-lf Datasheet

The component is typically housed in a LQFP-64 (Low-profile Quad Flat Package) with 64 pins, optimized for compact board designs where space is at a premium. Specification Details Manufacturer MStar Semiconductor Package Type LQFP-64 (TQFP64) Operating Temperature -40°C to 105°C ( TAcap T sub cap A Supported Resolutions Up to WXGA+ / SXGA+ Power Management I understand you're asking for a report based

• Input Voltage Range: 85VAC – 265VAC (universal mains)
• Output Current Capability: 1A continuous, 1.5A peak
• Switching Frequency: 50 kHz – 80 kHz (low-frequency to reduce EMI)
• Power Factor Correction: >0.95 at full load
• Protection Features: Overvoltage (OVP), Overcurrent (OCP), Thermal shutdown (TSD)
• Package Options: SOT-223, SOIC-8, or DPAK (lead-free, RoHS compliant)
• Operating Temperature: -40°C to +125°C

Voltage Regulation: Failure of the 1.8V or 3.3V LDO regulators feeding the SoC. Input Voltage Range: 85VAC – 265VAC (universal mains)