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LT3430IFE
+BOMSwitching Voltage Regulators High Voltage, 3A, 200kHz Step-Down Switching Regulator
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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 #LT3430IFE
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データシート LT3430IFE DataSheet
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在庫状況9653
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
Key features of the LT3430IFE include a wide input voltage range (up to 60V), a switching frequency of up to 1.4MHz, and the ability to deliver up to 3A of continuous output current. It utilizes current-mode control for fast transient response and excellent loop stability. The regulator also includes features such as soft-start, thermal shutdown, and cycle-by-cycle current limiting to ensure safe and reliable operation.
The LT3430IFE is often used in automotive, industrial, and distributed power systems due to its robust performance and ability to handle high-voltage inputs. Its compact package and efficiency make it suitable for space-constrained applications where power conversion efficiency is critical.
Equivalent
1. TI's LM2678, a high-efficiency 5A step-down voltage regulator.
2. ADP2441 by Analog Devices, a 36V, 1A step-down regulator.
3. Maxim's MAX5035, a high-voltage, high-efficiency buck converter.
4. ON Semiconductor's NCP3170, a wide input voltage buck converter.
Always verify the specifications and pin compatibility before substituting.
Features
Key features of the LT3430IFE include:
1. High Efficiency: The regulator is designed to provide high efficiency over a wide load current range.
2. Wide Input Voltage Range: Supports input voltages from 3.3V to 60V, enhancing flexibility in power supply design.
3. Adjustable Output Voltage: The output voltage can be set via external resistors.
4. Fast Transient Response: Optimized for fast transient response to provide stable output under varying load conditions.
5. Thermal Protection: Integrated thermal shutdown to protect the device from overheating.
6. Current Mode Operation: Ensures stable operation across a range of input voltages and output currents.
7. Synchronization Capability: Allows synchronization with an external clock for improved noise performance.
These features make the LT3430IFE suitable for powering a wide array of devices and systems that require reliable and efficient power conversion.
Pinout
1. VIN: Power input voltage.
2. SW: Switch pin; the output of the internal power switch.
3. BOOST: Bootstrap capacitor connection for the high-side driver.
4. VCC: Output of the internal regulator, and supply pin for internal circuitry.
5. GND: Ground.
6. FB: Feedback input for output voltage regulation.
7. SHDN: Shutdown pin; pulling it low shuts down the device.
8. SYNC: Synchronization input for external clock.
9. SS: Soft-start control to limit inrush current.
10. RT: Timing resistor pin to set the switching frequency.
11. PGOOD: Power good indicator.
12. VC: Compensation pin for error amplifier.
13. NC: No connection (can be used for PCB routing).
14. NC: No connection (can be used for PCB routing).
15. NC: No connection (can be used for PCB routing).
16. NC: No connection (can be used for PCB routing).
This concise description provides an overview of the pin functions in the LT3430IFE.
Manufacturer
Application
1. Automotive Systems: Provides stable voltage for in-car electronics.
2. Industrial Equipment: Powers control systems and sensors.
3. Telecommunications: Supplies power to network devices and infrastructure.
4. Consumer Electronics: Used in devices like LCD monitors and portable gadgets.
5. Battery-Powered Devices: Offers efficient power management for extended battery life.
6. Medical Instruments: Ensures reliable power delivery to sensitive electronic components.
Overall, the LT3430IFE is suitable for applications needing efficient, high-voltage step-down conversion with low noise and robust performance.