Overview
The L5150CJTR, produced by STMicroelectronics, is a low dropout linear regulator designed for automotive applications. It features microprocessor control functions including power on reset, low voltage reset, and early warning. This regulator is known for its high output voltage accuracy of ±2% over a wide temperature range, line, and load variations. The L5150CJTR operates with a low quiescent current of 55 μA at very low output current, making it energy-efficient. It also includes thermal shutdown and short-circuit protection, ensuring reliable operation under various conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating DC Supply Voltage Range | 5.6 V to 40 V | V |
| Output Voltage | 5 V ±2% | V |
| Maximum Output Current | 150 mA | mA |
| Quiescent Current | 55 μA | μA |
| Dropout Voltage | 500 mV | mV |
| Temperature Range | -40 °C to 150 °C | °C |
| Package | PowerSSO 12 | - |
Key Features
- AEC-Q100 qualified for automotive applications
- Low dropout voltage
- Low quiescent current consumption
- Precision output voltage of 5 V ±2%
- Reset circuit sensing the output voltage
- Programmable reset pulse delay with external capacitor
- Adjustable reset threshold down to 3.5 V
- Early warning circuit
- Very wide stability range with low-value output capacitor
- Thermal shutdown and short-circuit protection
- Wide temperature range (Tj = -40 °C to 150 °C)
Applications
The L5150CJTR is primarily designed for automotive applications, where reliability, precision, and robustness are critical. It is suitable for systems requiring microprocessor control functions such as power on reset, low voltage reset, and early warning. Typical use cases include automotive electronics, such as infotainment systems, navigation systems, and other vehicle control modules.
Q & A
- What is the operating DC supply voltage range of the L5150CJTR?
The operating DC supply voltage range is from 5.6 V to 40 V.
- What is the precision of the output voltage?
The output voltage is 5 V with an accuracy of ±2%.
- What is the maximum output current of the L5150CJTR?
The maximum output current is internally limited to 150 mA.
- What is the quiescent current consumption of the L5150CJTR?
The quiescent current consumption is 55 μA at very low output current.
- Does the L5150CJTR have thermal protection?
Yes, it includes thermal shutdown and short-circuit protection.
- What is the temperature range of the L5150CJTR?
The temperature range is from -40 °C to 150 °C.
- What package type is the L5150CJTR available in?
The L5150CJTR is available in the PowerSSO 12 package.
- Can the reset threshold be adjusted?
Yes, the reset threshold can be adjusted down to 3.5 V using an external voltage divider.
- Does the L5150CJTR have an early warning feature?
Yes, it includes an early warning circuit that monitors the input voltage.
- Is the L5150CJTR AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified for automotive applications.
