Tsum1pfr-lf Datasheet ((hot)) Info

The TSUM1PFR-LF is a high-efficiency graphics processing IC from MStar Semiconductor designed primarily for LCD monitors and flat-panel displays. This system-on-chip (SoC) integrates a triple-ADC/PLL, a display processing engine, and a microcontroller into a single package to reduce system costs and PCB space. Key Technical Specifications TSUM1PFR-LF Go to product viewer dialog for this item.

| Pin No. | Symbol | Function Description | |---------|--------|----------------------| | 1 | VIN | Input voltage supply. Bypass with 1µF ceramic capacitor to GND. | | 2 | GND | Ground connection. Connected to thermal pad if present. | | 3 | EN | Enable pin. Active high (logic >1.2V). Tie to VIN if unused. | | 4 | NC / BYP | No connect or bypass capacitor pin for noise reduction. | | 5 | VOUT | Regulated output voltage. Output capacitor (1µF to 10µF) required. | Tsum1pfr-lf Datasheet

Dynamic Frame Rate (DFR): Incorporates a DFR generator for digital output, which helps maintain smooth video playback while preserving fixed-output advantages. The TSUM1PFR-LF is a high-efficiency graphics processing IC

Specific Interpretation for "Tsum1pfr-lf":

Without a direct datasheet link or more context, let's hypothesize "Tsum1pfr-lf" could refer to a specific electronic component: Input Voltage Range: 85VAC – 265VAC (universal mains)

Packaging Information:

While summary specifications are available through various distributors, finding the complete, original MStar PDF can be challenging as they are often restricted to registered OEMs. Summary Views: Brief technical overviews can be found on sites like Win-Source PDF Repositories:

Resolution Support: Capable of handling panel resolutions up to WXGA+ (1440x900) and SXGA+ (1400x1050) at 60Hz.

• 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