Overview
The LD1085D2M50 is a low drop positive voltage regulator produced by STMicroelectronics. This device is capable of providing up to 3 A of output current and features a maximum dropout voltage of 1.5 V at 3 A. It is designed to be pin-to-pin compatible with older 3-terminal adjustable regulators but offers improved performance in terms of dropout and output tolerance. The LD1085D2M50 is available in various packages, including TO-220, TO-220FP, D²PAK, and D²PAK/A, making it versatile for different application needs. The regulator includes internal power and thermal limits, ensuring safe operation over a wide temperature range of -40 °C to 125 °C.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Output Configuration | Positive | Output Type | Fixed |
| Number of Regulators | 1 | Voltage - Input (Max) | 30 V |
| Voltage - Output (Min/Fixed) | 5 V | Voltage Dropout (Max) | 1.5 V @ 3 A |
| Current - Output | 3 A | Current - Quiescent (Iq) | 10 mA |
| PSRR | 72 dB (120 Hz) | Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40 °C to 125 °C | Mounting Type | Surface Mount |
| Package | TO-220, TO-220FP, D²PAK, D²PAK/A |
Key Features
- Typical dropout voltage of 1.3 V at 3 A
- Three-terminal adjustable or fixed output voltage options: 1.8 V, 2.5 V, 3.3 V, 5 V
- Guaranteed output current up to 3 A
- Output tolerance of ± 1% at 25 °C and ± 2% in full temperature range
- Internal power and thermal limits for safe operation
- Wide operating temperature range of -40 °C to 125 °C
- High power density suitable for compact designs
- Overcurrent and overtemperature protection
Applications
- General-purpose applications requiring a stable and regulated voltage supply
- Compact design applications where high power density is necessary
- Industrial and automotive applications due to its robust performance and wide operating temperature range
Q & A
- Q: What is the maximum output current of the LD1085D2M50?
A: The LD1085D2M50 can provide up to 3 A of output current. - Q: What are the available output voltage options for the LD1085D2M50?
A: The LD1085D2M50 is available with fixed output voltages of 1.8 V, 2.5 V, 3.3 V, and 5 V. - Q: What is the typical dropout voltage of the LD1085D2M50 at 3 A?
A: The typical dropout voltage is 1.3 V at 3 A. - Q: What are the protection features of the LD1085D2M50?
A: The LD1085D2M50 includes overcurrent and overtemperature protection features. - Q: What is the operating temperature range of the LD1085D2M50?
A: The operating temperature range is -40 °C to 125 °C. - Q: What packages are available for the LD1085D2M50?
A: The LD1085D2M50 is available in TO-220, TO-220FP, D²PAK, and D²PAK/A packages. - Q: Does the LD1085D2M50 require any external components for stability?
A: Yes, a minimum of 10 µF capacitor is required for stability. - Q: What is the quiescent current of the LD1085D2M50?
A: The quiescent current is 10 mA. - Q: Is the LD1085D2M50 pin-to-pin compatible with older regulators?
A: Yes, it is pin-to-pin compatible with older 3-terminal adjustable regulators. - Q: What is the warranty period for the LD1085D2M50 from Ovaga?
A: Ovaga offers a 1-year warranty on the LD1085D2M50.
