TLF80511EJ V33

The TLF80511EJ V33 is a low-dropout (LDO) voltage regulator from Infineon, designed for automotive applications. It provides a fixed 3.3V output with high accuracy (±2%) and a maximum current of 150mA.
### Key Features:
- Input Voltage Range: 3.0V to 40V (withstand up to 45V transients).
- Low Quiescent Current: ~30µA in standby mode.
- Protections: Overcurrent, overtemperature, reverse polarity, and short-circuit.
- Automotive-Grade: AEC-Q100 qualified, suitable for harsh environments.
### Applications:
- Automotive ECUs (e.g., infotainment, ADAS).
- Sensor power supplies.
- Always-on battery-powered systems.
The device comes in a PG-TO252-3 (DPAK) package, ensuring efficient thermal performance. Its robust design makes it ideal for demanding automotive power management.
For detailed specs, refer to the Infineon datasheet.

The TLF80511EJ V33 is a low-dropout (LDO) voltage regulator. Equivalent alternatives include:
- NCP1117DT33G (ON Semiconductor)
- LM1117MPX-3.3 (Texas Instruments)
- AP2112K-3.3TRG1 (Diodes Incorporated)
- MIC5205-3.3YM5 (Microchip)
These are 3.3V LDO regulators with similar specs (e.g., ~1A output, low dropout). Verify pinout and load requirements for compatibility.

The TLF80511EJ V33 is a low-dropout (LDO) voltage regulator with the following key features:
- Input Voltage Range: 2.7V to 40V
- Output Voltage: 3.3V (fixed)
- Output Current: Up to 150mA
- Low Dropout Voltage: ~300mV at full load
- High Accuracy: ±2% output voltage tolerance
- Low Quiescent Current: ~40µA (typical)
- Protections: Overcurrent, overtemperature, and reverse polarity protection
- Wide Temperature Range: -40°C to +150°C
- Package: TO-252-5 (DPAK)
Designed for automotive and industrial applications, it ensures stable power supply in harsh environments. Its low quiescent current and robust protections make it suitable for always-on systems.

The TLF80511EJ V33 is a 5-pin voltage regulator with the following functions:
1. Input (V_IN) – Power supply input (typically 3.3V).
2. Ground (GND) – Reference ground.
3. Enable (EN) – Controls regulator operation (active high).
4. Output (V_OUT) – Regulated 3.3V output.
5. Power Good (PG) – Open-drain output indicating stable voltage.
It provides low-dropout (LDO) regulation, overcurrent/thermal protection, and a power-good signal for system monitoring.