Overview
The LD1086V50 from STMicroelectronics is a low drop positive voltage regulator designed to provide high performance and reliability in various power management applications. This regulator is capable of delivering up to 1.5 A of output current and is available in both adjustable and fixed output voltage configurations, with the LD1086V50 specifically offering a fixed output voltage of 5 V. The device is known for its low dropout voltage, tight output voltage tolerance, and wide operating temperature range, making it suitable for a broad range of industrial and consumer electronics.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Output Voltage (VO) | 4.9 | 5 | 5.1 | V |
| Output Current (IO) | 1.5 | A | ||
| Dropout Voltage (Vd) | 1.3 | 1.5 | V | |
| Quiescent Current (Iq) | 5 | 10 | mA | |
| Input Voltage (VI) - Max | 30 | V | ||
| Line Regulation | 0.5 | 10 | mV | |
| Load Regulation | 5 | 20 | mV | |
| Operating Temperature Range | -40 | 125 | °C | |
| Package Types | TO-220, D²PAK, D²PAK/A, DPAK, DFN8 (4x4) |
Key Features
- Low Dropout Voltage: Guaranteed at a maximum of 1.3 V at 1.5 A, reducing power losses and increasing efficiency.
- Tight Output Voltage Tolerance: ±1% at 25 °C and ±2% over the full temperature range, ensuring stable output voltage.
- High Output Current: Up to 1.5 A, making it suitable for demanding applications.
- Wide Operating Temperature Range: From -40 °C to 125 °C, allowing use in harsh environments.
- Internal Power and Thermal Limiting: Protects the device from overheating and overcurrent conditions.
- Pin-to-Pin Compatibility: Compatible with standard adjustable voltage regulators, but with improved performance.
- Minimal External Components: Only a 10 µF capacitor is required for stability.
Applications
- Industrial Power Management: Suitable for various industrial applications requiring reliable and efficient power supply.
- Consumer Electronics: Used in devices such as set-top boxes, DVD players, and other consumer electronic products.
- Automotive Systems: Can be used in automotive applications due to its wide operating temperature range and robust design.
- Telecommunications Equipment: Ideal for powering telecommunications equipment where stable and efficient power supply is crucial.
Q & A
- What is the maximum output current of the LD1086V50?
The maximum output current of the LD1086V50 is 1.5 A.
- What is the typical dropout voltage of the LD1086V50 at 1.5 A?
The typical dropout voltage is 1.3 V at 1.5 A.
- What are the available output voltages for the LD1086 series?
The LD1086 series offers fixed output voltages of 1.8 V, 2.5 V, 3.3 V, 5 V, and 12 V, as well as adjustable output voltage configurations.
- What is the maximum input voltage for the LD1086V50?
The maximum input voltage is 30 V.
- What is the quiescent current of the LD1086V50?
The quiescent current is typically 5 mA and can be up to 10 mA.
- What are the package types available for the LD1086V50?
The device is available in TO-220, D²PAK, D²PAK/A, DPAK, and DFN8 (4x4) packages.
- What is the operating temperature range of the LD1086V50?
The operating temperature range is from -40 °C to 125 °C.
- Does the LD1086V50 require external components for stability?
Yes, a minimum of 10 µF capacitor is required for stability.
- Is the LD1086V50 pin-to-pin compatible with older voltage regulators?
Yes, it is pin-to-pin compatible with standard adjustable voltage regulators but offers better performance.
- What kind of protection does the LD1086V50 have against overheating and overcurrent?
The device has internal power and thermal limiting to protect against overheating and overcurrent conditions.
