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LP2951ACMX
+NomenclatureIC REG LIN POS ADJ 100MA 8SOIC
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FabricantTexas Instruments
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Pièce fabricant #LP2951ACMX
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Package SOIC-8
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En stock1323
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Not For New Designs |
| Output Configuration | Positive |
| Output Type | Adjustable (Fixed) |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 30V |
| Voltage - Output (Min/Fixed) | 1.235V (5V) |
| Voltage - Output (Max) | 29V |
| Voltage Dropout (Max) | 0.6V @ 100mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 120 µA |
| Current - Supply (Max) | 14 mA |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Présentation
Description
Key features include a low dropout voltage of around 60 mV at light loads, which enhances efficiency, and an adjustable output voltage range from 1.235 V to 30 V. It also includes several protection features, such as current limiting, thermal shutdown, and a standby mode to further reduce power use.
The LP2951ACMX is available in a small SOIC-8 package, making it ideal for compact designs. Additionally, it offers excellent line and load regulation characteristics, typically below 0.1%. Its low quiescent current (as low as 75 µA) makes it well-suited for applications that require long battery life.
Overall, the LP2951ACMX is a versatile regulator, ideal for applications needing efficient power management in a small form factor.
Equivalent
Features
1. Low Dropout Voltage: It offers a low dropout voltage, making it efficient for battery-operated devices.
2. Adjustable Output: The output voltage can be adjusted from 1.25V to 29V.
3. Precision: Provides a precise output with high accuracy.
4. Overcurrent Protection: Includes features to prevent damage from overcurrent conditions.
5. Thermal Protection: Safeguards against overheating by disabling the output until normal operating temperatures are restored.
6. Shutdown Capability: Allows the device to be turned off to conserve power.
7. Error Flag: Offers an error flag indicator for fault detection.
8. Low Quiescent Current: Suitable for low-power applications due to its very low quiescent current.
9. Available Packages: Comes in various packages, including SOT-23, for diverse application needs.
10. Temperature Range: Can operate over an extended temperature range, making it versatile for different environments.
These features make the LP2951ACMX ideal for use in portable electronics, precision power supplies, and battery-powered equipment.
Pinout
1. VOUT (Pin 1): Output Voltage. The regulated output voltage is provided at this pin.
2. FEEDBACK (Pin 2): Feedback Input. Used to set the output voltage. Connect to a resistor divider from VOUT.
3. SHUTDOWN (Pin 3): Shutdown Input. A low signal turns off the regulator.
4. GND (Pin 4): Ground. Common ground connection.
5. SENSE (Pin 5): Sense Input. Used for remote sensing to improve load regulation.
6. VREF (Pin 6): Reference Voltage. Provides a reference for setting the output voltage.
7. VCC (Pin 7): Input Voltage. The voltage input to the regulator.
8. NC (Pin 8): No Connection. Typically not connected, but check the datasheet for any specific use.
This arrangement allows the LP2951ACMX to provide precise output voltage regulation with low power consumption, suitable for various applications. Always refer to the manufacturer's datasheet for specific details and variations.