Texas Instruments LM2991 MD8
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $94,999.99 | $94,999.99 |
| 15+ | $91,999.99 | $1,379,999.85 |
| 25+ | $89,999.99 | $2,249,999.75 |
| 50+ | $84,999.99 | $4,249,999.50 |
| 100+ | $74,999.99 | $7,499,999.00 |
| N+ | $15,000.00 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | | |
| Output Configuration | Active |
| Output Type | Negative |
| Number of Regulators | Adjustable |
| Voltage - Input (Max) | -26V |
| Voltage - Output (Min/Fixed) | -2V |
| Voltage - Output (Max) | -25V |
| Voltage Dropout (Max) | 1V @ 1A |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 5 mA |
| Current - Supply (Max) | - |
| PSRR | 50dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Temperature, Short Circuit |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | Die |
| Supplier Device Package | Die |
| ROHS |  |
The LM2991 MD8 from Texas Instruments is a versatile adjustable negative LDO linear regulator. It delivers up to 1A of output current with a low dropout voltage of just 1V. Its wide adjustable output range down to -25V makes it suitable for various negative supply applications. The device features a low quiescent current of 5 mA and a PSRR of 50dB at 1kHz, ensuring stable and clean power delivery.
- High Current Capacity: Delivers up to 1A, suitable for demanding loads.
- Low Dropout: 1V dropout at 1A maximizes efficiency in low-headroom designs.
- Low Quiescent Current: 5 mA quiescent current extends battery life in portable applications.
- Adjustable Output: Flexible output voltage setting down to -25V for diverse circuit requirements.
Negative Rail Power Supply
Generate a stable -25V adjustable negative rail from a -2V input for analog circuits requiring a clean negative supply.
Battery-Powered Devices
With a low quiescent current of 5 mA, the LM2991 MD8 is suitable for battery-operated equipment where power efficiency is critical.
High-Current Loads
Capable of delivering up to 1A, this regulator can power high-current loads such as motors, actuators, or RF power amplifiers.
Noise-Sensitive Analog Circuits
The 50dB PSRR at 1kHz helps suppress power supply noise, making it ideal for audio and precision instrumentation.
Space-Constrained Designs
The Die package allows for direct integration into hybrid circuits or multi-chip modules, saving board space.
- Q: What is the output voltage range of the LM2991 MD8?
- A: The LM2991 MD8 is an adjustable LDO with a negative output voltage range up to -25V.
- Q: What is the maximum output current?
- A: The maximum output current is 1A.
- Q: What is the input voltage range?
- A: The input voltage is -2V (negative rail).
- Q: What is the dropout voltage?
- A: The dropout voltage is 1V at 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 5 mA.
- Q: What package is available?
- A: This device is available in a Die package.
LM2991 MD8.pdf
- Q: What is the output voltage range of the LM2991 MD8?
- A: The LM2991 MD8 is an adjustable LDO with a negative output voltage range up to -25V.
- Q: What is the maximum output current?
- A: The maximum output current is 1A.
- Q: What is the input voltage range?
- A: The input voltage is -2V (negative rail).
- Q: What is the dropout voltage?
- A: The dropout voltage is 1V at 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 5 mA.
- Q: What package is available?
- A: This device is available in a Die package.
