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LP2951ACMM
+BOMIC REG LIN POS ADJ 100MA 8VSSOP
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #LP2951ACMM
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Gói VSSOP (DGK)-8
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Có sẵn3475
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Not For New Designs |
| OutputConfiguration | Positive |
| OutputType | Adjustable (Fixed) |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 30V |
| Voltage-Output(Min/Fixed) | 1.235V (5V) |
| Voltage-Output(Max) | 29V |
| VoltageDropout(Max) | 0.6V @ 100mA |
| Current-Output | 100mA |
| Current-Quiescent(Iq) | 120 µA |
| Current-Supply(Max) | 14 mA |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
Tổng quan
Description
With an operating voltage range typically from 2.5V to 30V, the LP2951ACMM provides a fixed output voltage with high accuracy, generally around 1.23V for adjustable versions. It supports both fixed and adjustable output voltage configurations, offering flexibility in various design applications. The regulator is designed to provide a low dropout voltage, making it efficient for low voltage applications.
Key features include thermal shutdown protection, current limitation, and excellent line and load regulation. Its compact size and low power consumption make it ideal for use in battery management systems, portable instruments, and other applications where efficiency and reliability are critical.
Equivalent
Features
1. Low Quiescent Current: It offers a low quiescent current, making it suitable for battery-powered applications by minimizing power consumption.
2. Low Dropout Voltage: The device operates effectively with a low dropout voltage, ensuring optimal performance even when the input voltage is close to the output voltage.
3. Accuracy: It provides high output voltage accuracy, typically within 1% to 2%, ensuring reliable voltage regulation.
4. Adjustable Output: The regulator allows for an adjustable output voltage, providing flexibility for different circuit requirements.
5. Shutdown Capability: It includes a shutdown feature to reduce power consumption further when the device is not in use.
6. Current and Thermal Limiting: Built-in protection features, such as current limiting and thermal shutdown, protect against overload and overheating.
7. Temperature Range: It operates over a wide temperature range, suitable for various industrial and commercial environments.
8. Small Package: The regulator comes in a compact package, making it ideal for space-constrained applications.
These features make the LP2951ACMM a versatile choice for efficient power management in electronic devices.
Pinout
Pin functions are generally as follows:
1. VOUT (Pin 1): Output voltage pin.
2. GND (Pin 2): Ground.
3. FB (Feedback) (Pin 3): Used to adjust the output voltage (in adjustable versions).
4. SHUTDOWN (Pin 4): Controls the regulator operation; low to disable the device.
5. ERROR (Pin 5): Provides error flag; indicates when the output voltage is out of regulation.
6. NC (No Connection) (Pin 6): Not internally connected, typically left floating.
7. VREF/COMP (Pin 7): Provides access to the internal reference voltage or for compensation.
8. VIN (Pin 8): Input voltage pin.
This combination allows for precise voltage regulation with additional features like shutdown and error indication. Always verify pin functions from the specific datasheet, as configurations can vary.
Manufacturer
Application
1. Battery-Powered Devices: Essential for prolonging battery life in portable electronics by efficiently regulating output voltage.
2. Consumer Electronics: Used in devices such as smartphones, tablets, and wearable gadgets for stable power supply.
3. Industrial Equipment: Provides precise voltage regulation in sensors and control systems.
4. Automotive Electronics: Powers microcontrollers and other components in vehicles.
5. Medical Devices: Ensures reliable performance in sensitive medical equipment.
6. Communications Equipment: Stabilizes power in networking and wireless communication devices.
Its low dropout and low quiescent current make it ideal for energy-sensitive applications.