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LT1129IS8
+BOMLDO Voltage Regulators LT1129 - Micropower Low Dropout Regulators with Shutdown
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제조업체아날로그 장치
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제조업체 부품 #LT1129IS8
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데이터시트 LT1129IS8 DataSheet
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재고23935
365 1일 품질 보증
7*24 영업 시간 서비스 보증
90-판매 후 1일 보증
정품 보증
사양
| 속성 | 가치 |
개요
Description
Key features of the LT1129IS8 include:
- Low dropout voltage, typically around 0.4V at maximum output current, allowing efficient voltage regulation from batteries or other low-voltage sources.
- Low quiescent current, which helps extend battery life in portable devices.
- Output current capability of up to 700mA.
- Integrated protection features like thermal shutdown and current limiting to enhance reliability.
- A wide input voltage range, typically from 4V to 30V, making it versatile for various applications.
- High output voltage accuracy and low output voltage noise.
The LT1129IS8 is ideal for use in battery-powered equipment, portable instruments, and other applications where efficiency and reliability are critical.
Equivalent
1. TPS7A4700 from Texas Instruments: A high-performance LDO with similar output capabilities.
2. MIC29302 from Microchip Technology: Offers similar dropout voltage and current ratings.
3. LP2953 from Texas Instruments: Another potential equivalent with comparable specifications.
4. ADM7150 from Analog Devices: Known for low noise and precision regulation.
Always verify specific parameters like output voltage, current, and thermal performance before substituting.
Features
1. Low Dropout Voltage: It typically has a dropout voltage of 0.4V at 700mA, making it suitable for applications where low input-output differential voltage is crucial.
2. Output Current: Capable of delivering up to 700mA of output current.
3. Low Quiescent Current: The device features low quiescent current, typically around 50µA, which helps in minimizing power consumption in applications.
4. Wide Input Voltage Range: Operates over a wide input voltage range, typically from 4V to 30V.
5. Fixed Output Voltage Options: Available in fixed output voltage versions such as 3.3V and adjustable versions.
6. Stability: Stable with a ceramic output capacitor.
7. Thermal Protection: Includes thermal shutdown protection to prevent overheating.
8. Current Limiting: Features current limiting to protect against overload conditions.
9. Package: Comes in an 8-pin SOIC package.
These features make the LT1129IS8 suitable for applications in battery-powered devices, automotive, and industrial systems requiring efficient power regulation.
Pinout
1. VIN: Input Voltage - Connects the input voltage that you want to regulate.
2. GND: Ground - Common ground for the input and output voltages.
3. SHDN: Shutdown - A low signal on this pin disables the regulator.
4. BYPASS: Bypass - Allows for noise reduction by connecting a capacitor.
5. VOUT: Output Voltage - Provides the regulated output voltage.
6. SENSE: Sense - Used for remote sensing of the output voltage, improving regulation accuracy.
7. NC (No Connection): This pin is not connected internally and can be left unconnected.
8. NC (No Connection): Similar to the above, this pin has no internal connection.
The LT1129 series is well-suited for powering sensitive electronics due to its low dropout voltage, low noise, and high accuracy.
Manufacturer
Application
1. Portable Devices: Ideal for smartphones, tablets, and handheld gadgets due to its low dropout voltage and efficiency.
2. Battery-Powered Systems: Ensures optimal power usage in devices like cameras and GPS units by extending battery life.
3. Telecommunications: Supports stable voltage supply in communication equipment.
4. Industrial Electronics: Provides reliable operation in industrial control systems.
5. Medical Devices: Used in portable medical equipment for consistent performance.
6. Consumer Electronics: Powers various consumer devices, ensuring minimal power loss.
Its low noise and high PSRR make it suitable for sensitive analog circuits as well.