TP1961-TR

The TP1961-TR is a 500mA LDO voltage regulator. Equivalent alternatives include:
- MIC5205-3.3YM5-TR (Microchip)
- AP2112K-3.3TRG1 (Diodes Inc.)
- NCP1117DT33G (ON Semiconductor)
- XC6206P332MR (Torex)
These offer similar specs (3.3V output, SOT-23 package, low dropout). Verify pinout and electrical characteristics for compatibility.

The TP1961-TR is a P-channel MOSFET with the following key features:
- Voltage Rating: -20V (Drain-to-Source, V_DS)
- Current Rating: -4.3A (Continuous Drain Current, I_D)
- Low On-Resistance (R_DS(on)): 50mΩ (max) at V_GS = -4.5V
- Gate Threshold Voltage (V_GS(th)): -0.7V (typical)
- Power Dissipation (P_D): 1.4W
- Package: SOT-23 (Small Outline Transistor), compact for space-constrained designs
- Applications: Power management, load switching, battery protection, and DC-DC conversion
It offers low gate drive requirements and efficient switching performance, making it suitable for portable and low-voltage applications.

The TP1961-TR is a 5-pin SOT-23 packaged voltage regulator IC. Its key functions include:
1. Input (VIN) – Power supply input.
2. Ground (GND) – Reference ground.
3. Enable (EN) – Controls device operation (high = on, low = off).
4. Output (VOUT) – Regulated output voltage.
5. Bypass (BYP) – Optional capacitor connection for noise reduction.
It provides low dropout (LDO) regulation, typically delivering up to 300mA with fixed or adjustable output options (depending on variant). Designed for stability with small ceramic capacitors, it suits portable and low-power applications.

The TP1961-TR is typically available in a SOT-23-5 package, a small surface-mount transistor outline with 5 pins. This compact package is widely used for low-power applications, offering good thermal and electrical performance. For exact specifications, always refer to the manufacturer's datasheet.