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LT3743EFE
+BOMIC LED DRVR CTRL PWM 20A 28TSSOP
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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 #LT3743EFE
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在庫状況2038
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 |
| PartStatus | Obsolete |
| Type | DC DC Controller |
| Topology | Step-Down (Buck) |
| InternalSwitch(s) | No |
| NumberofOutputs | 1 |
| Voltage-Supply(Min) | 6V |
| Voltage-Supply(Max) | 36V |
| Frequency | 200kHz ~ 1MHz |
| Dimming | PWM |
| Applications | Lighting |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| SupplierDevicePackage | 28-TSSOP-EP |
| BaseProductNumber | LT3743 |
概要
Description
Key features include adjustable output voltage, built-in overcurrent protection, thermal shutdown, and frequency synchronization capabilities. The LT3743EFE also supports a wide range of external components, allowing designers to customize their power solutions.
Its compact package and ease of use make it ideal for applications requiring high reliability and performance in space-constrained designs. Overall, the LT3743EFE is a versatile choice for engineers looking to implement efficient power management solutions in demanding environments.
Equivalent
Features
1. Input Voltage Range: Operates from 4.5V to 60V, accommodating various applications.
2. Output Current: Supports up to 3A output current, making it suitable for demanding loads.
3. High Efficiency: Achieves efficiencies over 95% due to its synchronous architecture, reducing heat generation.
4. Fixed or Adjustable Output Voltage: Offers flexibility with a fixed output voltage option or adjustable voltage using external feedback resistors.
5. Integrated Switches: Includes high-side and low-side MOSFETs, minimizing external component count and enhancing reliability.
6. Fault Protection: Features overvoltage, overcurrent, and thermal shutdown protection for safe operation.
7. Switching Frequency: Operates at a programmable frequency, allowing optimization for specific applications.
8. Soft-Start Function: Reduces inrush current during startup, improving system stability.
Overall, the LT3743EFE is ideal for applications requiring robust performance in compact designs.
Pinout
Key functions of the LT3743EFE include:
1. Buck Converter Operation: It provides a regulated output voltage from a higher input voltage.
2. Current Control: It offers constant current output for driving LEDs.
3. Wide Input Voltage Range: It supports a wide input voltage range suitable for various applications.
4. PWM Dimming Capability: It allows for brightness control via pulse-width modulation.
5. Thermal Shutdown and Over-Voltage Protection: Built-in protection features to ensure reliable operation.
The pin configuration supports connections for power input, output, feedback, compensation, and control signals, facilitating integration in complex systems.
For precise pin assignments and detailed operational characteristics, refer to the LT3743EFE datasheet.
Manufacturer
Analog Devices focuses on various sectors, including communications, automotive, industrial, and consumer markets. Their products are widely used in applications such as signal processing, data conversion, and power management. The LT3743EFE specifically is a high-voltage, step-down (buck) DC-DC converter known for its efficiency and capability to deliver high output current, making it suitable for a range of applications, particularly in power supplies for various electronic devices.
Overall, Analog Devices is recognized for its innovation in the semiconductor industry, providing solutions that enable advancements in technology across multiple fields.