BUY LT1521IST-3.3#PBF https://www.utsource.net/itm/p/12608790.html
| Parameter | Description | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage | Operating input voltage range | 2.7 | - | 5.5 | V |
| Output Voltage | Fixed output voltage | - | 3.3 | - | V |
| Quiescent Current | Supply current in regulation | - | 100 | - | μA |
| Dropout Voltage | Maximum dropout voltage at full load | - | 400 | - | mV |
| Load Regulation | Change in output voltage from no load to full load | - | 1.5 | - | % |
| Line Regulation | Change in output voltage over line variations | - | 0.1 | - | % |
| PSRR (Power Supply Rejection Ratio) | Attenuation of ripple from input to output | - | 70 | - | dB (120Hz) |
| Transient Response | Time for output voltage to settle after a step change in load | - | 30 | - | μs |
| Operating Temperature | Junction temperature range | -40 | - | 125 | °C |
Mounting: Ensure the LT1521IST-3.3#PBF is mounted on a PCB with appropriate thermal management, especially if operating near the upper limits of the temperature range.
Input Capacitor: Place a low ESR capacitor close to the input pins to ensure stability and reduce noise.
Output Capacitor: Use a suitable output capacitor to maintain output stability and minimize output voltage ripple.
Heat Dissipation: For applications where the device may dissipate significant power, consider adding a heat sink or ensuring adequate airflow.
Bypass Capacitors: Incorporate bypass capacitors near the power supply pins to filter out high-frequency noise.
PCB Layout: Follow good PCB layout practices, including short traces for high-frequency paths and proper grounding.
Storage and Handling: Store in a dry environment and handle with care to avoid damage to the leads and package.
Compliance: Ensure that your application complies with all relevant safety and regulatory standards.
