Overview
The LF25ABDT-TRY is a Linear Low-Dropout (LDO) voltage regulator produced by STMicroelectronics. This component is designed to provide a stable output voltage of 2.5V with a maximum output current of 500mA. It is packaged in a 3-pin DPAK (TO-252-3) with a tab, making it suitable for surface mount applications. The LF25ABDT-TRY is compliant with the AEC-Q100 standard, ensuring its reliability and performance in automotive environments. It was introduced on June 21, 2004, and is also compliant with EU RoHS regulations with exemptions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Type | Fixed | |
| Number of Regulators | 1 | |
| Voltage - Input (Max) | 16V | V |
| Voltage - Output (Fixed) | 2.5V | V |
| Voltage Dropout (Max) | 0.7V @ 500mA | V |
| Current - Output | 500mA | A |
| Current - Quiescent (Iq) | 0.5 ~ 2 mA (ON mode) | A |
| PSRR | 82dB ~ 65dB (120Hz ~ 10kHz) | dB |
| Protection Features | Over Current, Over Temperature | |
| Operating Temperature | -40°C ~ 125°C | °C |
| Mounting Type | Surface Mount | |
| Package / Case | TO-252-3, DPak (2 Leads + Tab), SC-63 |
Key Features
- Very Low Dropout Voltage: The LF25ABDT-TRY features a very low dropout voltage of 0.7V at 500mA, ensuring efficient voltage regulation.
- Low Quiescent Current: It has a low quiescent current of typically 50 µA in OFF mode and 500 µA in ON mode, which helps in reducing power consumption.
- High Output Current: The regulator can supply up to 500mA of output current, making it suitable for a variety of applications.
- High PSRR: The component has a high Power Supply Rejection Ratio (PSRR) of 82dB ~ 65dB over the frequency range of 120Hz to 10kHz.
- Protection Features: It includes overcurrent and overtemperature protection to ensure the reliability and longevity of the device.
- AEC-Q100 Compliance: The LF25ABDT-TRY is AEC-Q100 qualified, making it suitable for automotive applications.
Applications
The LF25ABDT-TRY is designed for use in various automotive and industrial applications where a stable and efficient voltage regulation is required. Some specific use cases include:
- Automotive systems: It is AEC-Q100 qualified, making it suitable for use in automotive electronics such as infotainment systems, navigation, and other onboard electronics.
- Industrial control systems: The regulator can be used in industrial control systems, sensors, and other equipment that require stable voltage supply.
- Consumer electronics: It can also be used in consumer electronics such as set-top boxes, gaming consoles, and other devices requiring low dropout voltage regulation.
Q & A
- What is the output voltage of the LF25ABDT-TRY?
The output voltage of the LF25ABDT-TRY is fixed at 2.5V.
- What is the maximum input voltage for the LF25ABDT-TRY?
The maximum input voltage for the LF25ABDT-TRY is 16V.
- What is the maximum output current of the LF25ABDT-TRY?
The maximum output current of the LF25ABDT-TRY is 500mA.
- What is the dropout voltage of the LF25ABDT-TRY at 500mA output current?
The dropout voltage of the LF25ABDT-TRY at 500mA output current is 0.7V.
- Does the LF25ABDT-TRY have any protection features?
Yes, the LF25ABDT-TRY includes overcurrent and overtemperature protection features.
- What is the operating temperature range of the LF25ABDT-TRY?
The operating temperature range of the LF25ABDT-TRY is -40°C to 125°C.
- Is the LF25ABDT-TRY compliant with any automotive standards?
Yes, the LF25ABDT-TRY is AEC-Q100 qualified, making it suitable for automotive applications.
- What is the package type of the LF25ABDT-TRY?
The LF25ABDT-TRY is packaged in a 3-pin DPAK (TO-252-3) with a tab.
- What is the quiescent current of the LF25ABDT-TRY in ON mode?
The quiescent current of the LF25ABDT-TRY in ON mode is typically 0.5 ~ 2 mA.
- Is the LF25ABDT-TRY RoHS compliant?
Yes, the LF25ABDT-TRY is RoHS compliant with exemptions.
