Overview
The L7824CT from STMicroelectronics is a fixed voltage regulator IC designed to provide a stable output voltage of 24V. This component is part of the L78 series, known for its reliability and robust performance. The L7824CT is suitable for a wide range of applications requiring a regulated 24V supply, including industrial, automotive, and consumer electronics.
Key Specifications
| Parameter | Test Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Output Voltage (VO) | TJ = 25 °C | 23.5 | 24 | 24.5 | V |
| Dropout Voltage (Vd) | IO = 1 A, TJ = 25 °C | 2 | V | ||
| Output Noise Voltage (eN) | TA = 25 °C, B = 10 Hz to 100 kHz | 10 µV/VO | |||
| Output Resistance (RO) | f = 1 kHz | 20 mΩ | |||
| Short Circuit Current (Isc) | VI = 35 V, TA = 25 °C | 0.2 A | |||
| Short Circuit Peak Current (Iscp) | TJ = 25 °C | 2.2 A | |||
| Output Voltage Drift (∆VO/∆T) | -1.5 mV/°C | ||||
| Quiescent Current (Iq) | VI = 35 V, TA = 25 °C | 8 | mA | ||
| Operating Junction Temperature (TOP) | 0 | 125 | °C | ||
| Storage Temperature Range (TSTG) | -65 | 150 | °C |
Key Features
- Fixed Output Voltage: Provides a stable output voltage of 24V.
- Low Dropout Voltage: Ensures efficient operation with a dropout voltage of 2V at 1A output current.
- Thermal Overload Protection: Automatically shuts down the circuit when subjected to thermal overload, protecting the device from damage.
- Short Circuit Protection: Limits short circuit current to prevent damage to the regulator.
- Low Quiescent Current: Minimizes power consumption with a quiescent current of 8mA.
- High Ripple Rejection: Offers good noise rejection, ensuring a clean output voltage.
Applications
- Industrial Control Systems: Suitable for powering control circuits, sensors, and actuators in industrial environments.
- Automotive Systems: Can be used in automotive applications requiring a stable 24V supply, such as in-car electronics and accessories.
- Consumer Electronics: Ideal for powering various consumer electronic devices that require a regulated 24V supply.
- Medical Devices: Used in medical equipment where a stable and reliable voltage supply is crucial.
Q & A
- What is the output voltage of the L7824CT?
The output voltage of the L7824CT is 24V.
- What is the dropout voltage of the L7824CT?
The dropout voltage of the L7824CT is 2V at an output current of 1A.
- Does the L7824CT have thermal overload protection?
- What is the quiescent current of the L7824CT?
The quiescent current of the L7824CT is 8mA.
- What is the operating junction temperature range of the L7824CT?
The operating junction temperature range of the L7824CT is 0 to 125 °C.
- What is the storage temperature range of the L7824CT?
The storage temperature range of the L7824CT is -65 to 150 °C.
- Does the L7824CT have short circuit protection?
- What is the ripple rejection of the L7824CT?
The L7824CT offers high ripple rejection, ensuring a clean output voltage.
- What are some common applications of the L7824CT?
The L7824CT is commonly used in industrial control systems, automotive systems, consumer electronics, and medical devices.
- What is the minimum load current required for regulation?
The minimum load current required for regulation is 5mA.
