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IC REG MULTI CONFG ADJ TO220-7
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メーカーテキサス・インスツルメンツ
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メーカー品番 #LT1074CT7#PBF
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データシート LT1074CT7#PBF DataSheet
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パッケージ TO-220
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在庫状況3154
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 |
| Package / Case | Tube |
| Part Status | Active |
| Function | Step-Up, Step-Down, Step-Up/Step-Down |
| Output Configuration | Positive or Negative |
| Topology | Buck, Boost, Flyback |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 8V |
| Voltage - Input (Max) | 45V |
| Voltage - Output (Min/Fixed) | 2.5V |
| Voltage - Output (Max) | 35V |
| Current - Output | 5.5A (Switch) |
| Frequency - Switching | 100kHz |
| Synchronous Rectifier | No |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Through Hole |
概要
Description
Its TO-220 package provides good thermal management, which is crucial for maintaining performance under load. The device also includes built-in features such as current limiting, thermal shutdown, and frequency compensation, ensuring reliable operation and protection against overloads and overheating. The "#PBF" suffix indicates that the component is RoHS compliant, using lead-free and environmentally friendly materials. This regulator is especially valued for its compact size, ease of use, and robust performance across a range of operating conditions.
Equivalent
1. LM2576T-5.0 by Texas Instruments
2. MC34063A by ON Semiconductor
3. L4970A by STMicroelectronics
4. LM2596 by Texas Instruments
These alternatives feature similar functionalities and specifications, such as voltage regulation and current output, but always verify specific parameters and pin compatibility before selecting a replacement.
Features
1. Operating Voltage: It operates over a wide input voltage range, typically from 8V to 60V.
2. Output Current: Capable of delivering up to 5A of output current.
3. Switching Frequency: The device generally operates at a fixed switching frequency, often around 100 kHz, which can be adjusted by external components.
4. Efficiency: Designed for high efficiency, making it suitable for battery-powered applications.
5. Thermal Performance: Includes thermal shutdown protection to prevent overheating.
6. Output Voltage: The output voltage is adjustable using external resistors.
7. Protection Features: Incorporates features like current limiting and short-circuit protection.
8. Package: Available in a TO-220 package for easy mounting and heat dissipation.
9. Applications: Suitable for use in power supply designs requiring efficient, high-current DC-DC conversion, such as industrial, automotive, and telecom systems.
These features make the LT1074CT7#PBF a versatile choice for various power management applications.
Pinout
1. Pin 1 (GND): Ground connection.
2. Pin 2 (VIN): Input voltage supply.
3. Pin 3 (SW): Switch output; connects to the inductor.
4. Pin 4 (VFB): Feedback pin; used to sense the output voltage for regulation.
5. Pin 5 (VC): Compensation pin; used for frequency compensation.
6. Pin 6 (SYNC/SHDN): Synchronization/Shut Down pin; used to sync to an external clock or shut down the IC.
7. Tab (connected to GND): Provides heat dissipation and additional ground connection.
The LT1074 is designed for use in DC-DC conversion applications, capable of delivering high output currents, with efficiency and stability.
Manufacturer
Application
1. DC-DC Conversion: Efficiently converts one DC voltage level to another, useful in battery-powered and portable devices.
2. Power Supplies: Used in industrial, automotive, and telecommunications power supplies for stable voltage output.
3. Battery Chargers: Assists in creating efficient charging circuits for different types of batteries.
4. LED Drivers: Provides stable power for driving LEDs with consistent brightness.
5. Embedded Systems: Supports microcontrollers and processors by providing regulated voltage.
These applications benefit from the component's efficiency, reliability, and ability to handle high current loads.