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LT1129IST-3.3
+BOMLDO Voltage Regulators LT1129 - Micropower Low Dropout Regulators with Shutdown
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メーカーアナログデバイス
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メーカー品番 #LT1129IST-3.3
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データシート LT1129IST-3.3 DataSheet
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在庫状況27537
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
概要
Description
Typically, the introduction might cover:
1. Overview: A brief description of what LT1129IST-3.3 is, such as a software update, a hardware component, or a technical specification.
2. Purpose and Use: Explanation of why LT1129IST-3.3 is important or necessary, detailing its intended applications or improvements over previous versions.
3. Key Features: Highlighting significant features or advancements included in LT1129IST-3.3.
4. Audience: Identifying the target audience, such as engineers, developers, or students.
5. Prerequisites: Any prior knowledge or requirements needed to understand or implement LT1129IST-3.3.
For accurate details, it would be best to consult the specific documentation or resources related to LT1129IST-3.3.
Equivalent
1. MIC5205-3.3YM5 from Microchip Technology - Offers similar low dropout voltage and current output.
2. LP2985AIM5-3.3 from Texas Instruments - Features similar output voltage stability and low noise.
3. ADM7170ACPZ-3.3 from Analog Devices - Provides low dropout performance with similar output voltage capabilities.
Always verify electrical specifications and pin compatibility before substituting.
Features
1. Low Dropout Voltage: The regulator features a low dropout voltage of typically 0.4V, which is beneficial for efficient operation in battery-powered devices.
2. Output Current: It can deliver up to 700mA of output current, suitable for powering various electronic circuits.
3. Quiescent Current: The LT1129IST-3.3 utilizes low quiescent current, approximately 50µA, optimizing it for energy-sensitive applications.
4. Output Stability: Ensures stable performance with a wide range of output capacitors, thanks to its internal circuitry designed for enhanced stability.
5. Protection Features: The device includes overcurrent and overtemperature protection to safeguard against potential damage from excessive loads or overheating.
6. Package: It is typically available in a thermally enhanced surface-mount package, such as the SOT-223, facilitating easy integration into compact designs.
These features make the LT1129IST-3.3 an excellent choice for applications requiring reliable and efficient power regulation.
Pinout
Key pin functions include:
1. Input (IN): The input voltage is applied here.
2. Output (OUT): Delivers the regulated 3.3V output.
3. Ground (GND): Common ground for input and output.
4. Shutdown (SHDN): Allows the regulator to be turned on or off. Pulling this pin low puts the device in a low-power shutdown mode.
5. Sense (SENSE): Used to improve regulation by sensing the output voltage directly at the load.
6. Bypass (BP): Connecting a capacitor here can further reduce output noise.
This LDO is designed to offer high performance, such as low dropout voltage and low quiescent current, making it ideal for battery-powered and portable applications.
Manufacturer
Application
1. Consumer Electronics: Powers sensitive components in smartphones, tablets, and wearable devices.
2. Telecommunications: Ensures stable voltage for networking equipment.
3. Industrial Equipment: Supports precise voltage needs in automation systems.
4. Medical Devices: Provides reliable power in portable and clinical instruments.
5. Automotive: Regulates power in infotainment and sensor systems.
6. Computing: Supplies stable voltage for processors and memory modules.
7. Battery-Powered Devices: Extends battery life through efficient power management in portable electronics.
These applications benefit from the device's low dropout voltage, low noise, and thermal regulation features.