画像は参考用です
LT3474EFE#PBF
+BOMIC LED DRVR RGLTR PWM 1A 16TSSOP
-
メーカーテキサス・インスツルメンツ
-
メーカー品番 #LT3474EFE#PBF
-
在庫状況4594
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 | Active |
| Type | DC DC Regulator |
| Topology | Step-Down (Buck) |
| InternalSwitch(s) | Yes |
| NumberofOutputs | 1 |
| Voltage-Supply(Min) | 3.5V |
| Voltage-Supply(Max) | 36V |
| Current-Output/Channel | 1A |
| Frequency | 200kHz ~ 2MHz |
| Dimming | PWM |
| Applications | Backlight |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| Grade | Automotive |
| MountingType | Surface Mount |
| Package/Case | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| SupplierDevicePackage | 16-TSSOP-EP |
| BaseProductNumber | LT3474 |
概要
Description
The LT3474EFE#PBF is a high-efficiency, step-up (boost) DC-DC converter designed by Analog Devices. It is well-suited for applications requiring a compact form factor and efficient power conversion, such as battery-powered devices and portable electronics. The device features a wide input voltage range, allowing it to operate from low-voltage sources, and provides an adjustable output voltage up to 34V.
Key features include a high switching frequency, which minimizes the size of external components like inductors and capacitors, and a built-in current limit for protection against overload conditions. The LT3474 also incorporates a power good indicator, enabling system monitoring.
Its small package size and efficiency make it ideal for applications in LED drivers, automotive systems, and portable instrumentation. Overall, the LT3474EFE#PBF is a versatile choice for designers looking to achieve efficient voltage boost solutions in space-constrained environments.
Key features include a high switching frequency, which minimizes the size of external components like inductors and capacitors, and a built-in current limit for protection against overload conditions. The LT3474 also incorporates a power good indicator, enabling system monitoring.
Its small package size and efficiency make it ideal for applications in LED drivers, automotive systems, and portable instrumentation. Overall, the LT3474EFE#PBF is a versatile choice for designers looking to achieve efficient voltage boost solutions in space-constrained environments.
Equivalent
The LT3474EFE#PBF is a step-up DC-DC converter. Equivalent products include the TPS61030 from Texas Instruments, the LTC1871 from Analog Devices, and the MIC2555 from Microchip. Each offers similar features such as adjustable output voltage, high efficiency, and compact design, but it’s essential to verify specifications for your specific application needs. Always consult datasheets to ensure compatibility.
Features
The LT3474EFE#PBF is a high-performance, high-efficiency boost converter designed for powering LEDs and other applications requiring higher output voltages from low input voltages. Key features include:
1. Wide Input Range: Operates from 2.5V to 30V, suitable for various battery types.
2. Output Voltage: Capable of generating up to 40V output, ideal for LED driving.
3. High Efficiency: Typically over 90%, reducing heat generation and improving battery life.
4. Adjustable Switching Frequency: Ranges from 200kHz to 2MHz, allowing customization based on application needs.
5. Built-in Protection: Includes over-voltage protection (OVP) and thermal shutdown features for reliability.
6. Compact Design: Available in a 12-lead MSOP or 3mm × 3mm DFN package, facilitating space-saving designs.
7. Constant Current Control: Ensures stable LED brightness, essential for consistent performance in lighting applications.
These features make the LT3474EFE#PBF suitable for portable devices, LED drivers, and other applications where efficient voltage conversion is critical.
1. Wide Input Range: Operates from 2.5V to 30V, suitable for various battery types.
2. Output Voltage: Capable of generating up to 40V output, ideal for LED driving.
3. High Efficiency: Typically over 90%, reducing heat generation and improving battery life.
4. Adjustable Switching Frequency: Ranges from 200kHz to 2MHz, allowing customization based on application needs.
5. Built-in Protection: Includes over-voltage protection (OVP) and thermal shutdown features for reliability.
6. Compact Design: Available in a 12-lead MSOP or 3mm × 3mm DFN package, facilitating space-saving designs.
7. Constant Current Control: Ensures stable LED brightness, essential for consistent performance in lighting applications.
These features make the LT3474EFE#PBF suitable for portable devices, LED drivers, and other applications where efficient voltage conversion is critical.
Pinout
The LT3474EFE#PBF is a high-efficiency, step-down DC-DC converter from Analog Devices (formerly Linear Technology). It features a pin count of 20. The primary functions of the LT3474 include regulating input voltages to a lower output voltage, supporting high current loads, and offering features such as adjustable output voltage, frequency scaling, and soft-start functionality.
Key pins include:
- VIN: Input voltage supply.
- SW: Switch node for inductor connection.
- GND: Ground reference.
- VOUT: Output voltage.
- FB: Feedback voltage to regulate output.
- COMP: Compensation network for stability.
- SS: Soft-start control.
- CLKOUT: Clock output for synchronization.
- PGOOD: Power good indicator.
The LT3474 operates efficiently, providing high output currents while minimizing power losses, making it suitable for various applications in portable electronics and power management systems.
Key pins include:
- VIN: Input voltage supply.
- SW: Switch node for inductor connection.
- GND: Ground reference.
- VOUT: Output voltage.
- FB: Feedback voltage to regulate output.
- COMP: Compensation network for stability.
- SS: Soft-start control.
- CLKOUT: Clock output for synchronization.
- PGOOD: Power good indicator.
The LT3474 operates efficiently, providing high output currents while minimizing power losses, making it suitable for various applications in portable electronics and power management systems.
Manufacturer
The LT3474EFE#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves various industries including automotive, communications, healthcare, and industrial automation. The company's products are widely used in applications that require precision and robustness, such as data acquisition systems, signal processing, and power management solutions.
Application
The LT3474EFE#PBF is a high-efficiency LED driver primarily used in applications such as automotive lighting, architectural lighting, and signage. Its features, including a wide input voltage range and the ability to drive high current outputs, make it suitable for backlighting in displays, street lighting, and general illumination. Additionally, it is effective for powering high-brightness LEDs in portable devices and can be employed in various industrial and consumer electronic applications where efficient and reliable LED power management is required.
Package
The LT3474EFE#PBF comes in a 32-lead EFC package. This package type is designed for high-performance applications, providing a compact form factor suitable for surface mounting.
