Tsum1pfr-lf Datasheet • Bonus Inside

A: Lead-free. The device meets RoHS standards. Peak reflow temperature should not exceed 260°C. No special handling required, but soldering must use lead-free alloy.

Note: Always verify pin 1 marking (dot or notch orientation) from the actual component. Exceeding any value in this table may cause permanent damage to the Tsum1pfr-lf. Tsum1pfr-lf Datasheet

| Parameter | Symbol | Min | Max | Unit | |-----------|--------|-----|-----|------| | Input Voltage | VIN | -0.3 | 6.0 | V | | Enable Voltage | VEN | -0.3 | VIN + 0.3 | V | | Output Voltage | VOUT | -0.3 | VIN + 0.3 | V | | Output Short-Circuit Duration | - | Indefinite | - | - | | Maximum Junction Temperature | Tj | -40 | +150 | °C | | Storage Temperature | Tstg | -65 | +150 | °C | | Soldering Temperature (10 sec) | - | - | 260 | °C | (Test conditions: VIN = VOUT(nom) + 1V, IOUT = 10mA, Tj = 25°C, unless noted. Typical values for an adjustable 3.3V output variant.) A: Lead-free

Set R2 = 100kΩ, then R1 = 212.5kΩ (use 215kΩ 1% resistor). 6. Thermal Considerations and PCB Layout Because the Tsum1pfr-lf can deliver up to 1A, thermal management is critical. Power dissipation is calculated as: No special handling required, but soldering must use

Always treat undocumented components with caution—test under low current first and monitor temperature rise. With the guidance above, you can confidently integrate or troubleshoot the Tsum1pfr-lf in your electronic designs.

Formula: Where VREF is typically 0.8V or 1.25V (check your specific datasheet).

Thus, this article serves as a , structured as if we are analyzing a real part. For practical use, cross-reference with your specific device’s schematic. Tsum1pfr-lf Datasheet: Comprehensive Guide, Pinouts, Specifications, and Application Analysis Introduction The Tsum1pfr-lf is an increasingly searched component identifier in repair forums, electronic components databases, and BOM (Bill of Materials) lists. While not a standard JEDEC or EIA/JESD registered code, the structure—"Tsum" potentially relating to a TSMC or TSUM series microcontroller or power management IC , "1pfr" possibly indicating a specific revision or current rating, and the critical suffix "-lf" (Lead-Free)—suggests a modern, RoHS-compliant active component.