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LM25037MT
SWITCHING CONTROLLER, VOLTAGE-MO
- メーカー
- Mfr。パート #LM25037MT
- パッケージ TSSOP-16
- データシート LM25037MT DataSheet
- 在庫中5422
100% オリジナル &新しい
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365日の保証
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仕様
| Package | Bulk |
| ProductStatus | Active |
概要
Description
The LM25037MT is a versatile integrated circuit designed by Texas Instruments for use in power supply applications. It functions as a PWM (Pulse Width Modulation) controller and is particularly suited for implementing active clamp/reset and phase-shifted full-bridge topologies. Key features of the LM25037MT include a wide input voltage range, robust output gate drivers, programmable switching frequency, and the ability to maintain efficiency over a wide range of load conditions.
This device is designed to enhance efficiency and performance in high-power applications, such as telecom power modules, server power supplies, and industrial power systems. The LM25037MT supports soft-start, current-mode control, and includes protection mechanisms like cycle-by-cycle current limiting, thermal shutdown, and under-voltage lockout.
Its compact design, usually found in a TSSOP (Thin Shrink Small Outline Package), allows efficient space utilization in circuit boards. The LM25037MT is favored in designs requiring precise control and reliability, making it a popular choice among engineers for sophisticated power management solutions.
This device is designed to enhance efficiency and performance in high-power applications, such as telecom power modules, server power supplies, and industrial power systems. The LM25037MT supports soft-start, current-mode control, and includes protection mechanisms like cycle-by-cycle current limiting, thermal shutdown, and under-voltage lockout.
Its compact design, usually found in a TSSOP (Thin Shrink Small Outline Package), allows efficient space utilization in circuit boards. The LM25037MT is favored in designs requiring precise control and reliability, making it a popular choice among engineers for sophisticated power management solutions.
Features
The LM25037MT is a high-performance, active-clamp PWM controller designed for isolated and non-isolated power supply applications. Key features include:
1. Active-Clamp Control: It supports active-clamp reset topologies, enhancing efficiency by recycling the transformer’s leakage energy.
2. Wide Input Voltage Range: The controller is designed to operate over a broad input voltage range, making it versatile for various applications.
3. Integrated Features: It incorporates programmable soft-start, slope compensation, and line under-voltage lockout, which improve system reliability and performance.
4. Current Mode Control: Offers peak current mode control for fast transient response and inherent cycle-by-cycle current limiting.
5. High-Frequency Operation: Capable of operating at high frequencies, which reduces the size of magnetics and capacitors, leading to a more compact design.
6. Protection Features: Includes cycle-by-cycle current limit, thermal shutdown, and a fault management system that enhances safety and durability.
7. Synchronization Capability: Can be synchronized to an external clock, allowing for improved EMI performance and flexibility in multi-controller setups.
These features make the LM25037MT suitable for applications requiring efficient power management and robust performance.
1. Active-Clamp Control: It supports active-clamp reset topologies, enhancing efficiency by recycling the transformer’s leakage energy.
2. Wide Input Voltage Range: The controller is designed to operate over a broad input voltage range, making it versatile for various applications.
3. Integrated Features: It incorporates programmable soft-start, slope compensation, and line under-voltage lockout, which improve system reliability and performance.
4. Current Mode Control: Offers peak current mode control for fast transient response and inherent cycle-by-cycle current limiting.
5. High-Frequency Operation: Capable of operating at high frequencies, which reduces the size of magnetics and capacitors, leading to a more compact design.
6. Protection Features: Includes cycle-by-cycle current limit, thermal shutdown, and a fault management system that enhances safety and durability.
7. Synchronization Capability: Can be synchronized to an external clock, allowing for improved EMI performance and flexibility in multi-controller setups.
These features make the LM25037MT suitable for applications requiring efficient power management and robust performance.
Package
The LM25037MT is a high-performance, active clamp PWM controller typically used in power supply applications. It comes in a thermally enhanced TSSOP (Thin Shrink Small Outline Package), specifically a 16-pin TSSOP package, which is denoted by the "MT" suffix.
Pinout
The LM25037MT is a high-voltage PWM controller chip used in power supply designs. It comes in a 16-pin TSSOP (Thin Shrink Small Outline Package) package.
The primary functions of the LM25037MT include:
1. PWM Control: Provides pulse-width modulation for controlling power conversion efficiency.
2. High Voltage Operation: Designed for high voltage applications, supporting up to hundreds of volts.
3. Current Mode Control: Employs current mode control for improved loop response and simplicity.
4. Synchronization: Capable of synchronizing with an external clock source.
5. Soft-start: Features a programmable soft-start to control output voltage rise time.
6. Protection Features: Includes undervoltage lockout, overcurrent protection, and thermal shutdown.
This combination of features makes the LM25037MT suitable for use in isolated DC-DC converters, power inverters, and other power management systems. Its 16-pin configuration supports these functionalities with dedicated pins for power input, control signals, and feedback.
The primary functions of the LM25037MT include:
1. PWM Control: Provides pulse-width modulation for controlling power conversion efficiency.
2. High Voltage Operation: Designed for high voltage applications, supporting up to hundreds of volts.
3. Current Mode Control: Employs current mode control for improved loop response and simplicity.
4. Synchronization: Capable of synchronizing with an external clock source.
5. Soft-start: Features a programmable soft-start to control output voltage rise time.
6. Protection Features: Includes undervoltage lockout, overcurrent protection, and thermal shutdown.
This combination of features makes the LM25037MT suitable for use in isolated DC-DC converters, power inverters, and other power management systems. Its 16-pin configuration supports these functionalities with dedicated pins for power input, control signals, and feedback.
Manufacturer
The manufacturer of the LM25037MT is Texas Instruments. Texas Instruments is a technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide range of electronic systems. The company is known for its development and innovation in analog, embedded processing, and digital signal processing technologies.
Application
The LM25037MT is a synchronous PWM buck controller designed for power supply applications. It is commonly used in applications requiring step-down DC-DC conversion with high efficiency, such as in telecommunications, industrial power supplies, and distributed power systems. The device's ability to operate at high frequencies and its features like current mode control, programmable switching frequency, and adjustable soft-start make it suitable for efficient power management solutions in these fields.
Equivalent
Equivalent products to the LM25037MT, a Texas Instruments voltage mode PWM controller, include the ON Semiconductor NCP1034, the Microchip MIC2177, and the Analog Devices ADP1823. These alternatives offer similar functionalities for power supply designs in terms of voltage and current ratings, but always check the specific datasheets to ensure compatibility with your application.
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出荷料参照(DHL/FedEx):
DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。
フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
EMS: 配送料金は30〜50ドル(0.5kg)の範囲で、推定配送時間は7〜15営業日です。
登録航空郵便: 配送費は2〜4ドル(0.1kg)で、推定配送時間は5〜20営業日です。
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