画像は参考用です
LT3990EDD#TRPBF
+BOMIC REG BUCK ADJ 350MA 10DFN
-
メーカーテキサス・インスツルメンツ
-
メーカー品番 #LT3990EDD#TRPBF
-
データシート LT3990EDD#TRPBF DataSheet
-
在庫状況3867
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 |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.2V |
| Voltage-Input(Max) | 62V |
| Voltage-Output(Min/Fixed) | 1.21V |
| Voltage-Output(Max) | 25V |
| Current-Output | 350mA |
| Frequency-Switching | 210kHz ~ 2.3MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 10-WFDFN Exposed Pad |
| SupplierDevicePackage | 10-DFN (3x3) |
| BaseProductNumber | LT3990 |
概要
Description
The LT3990EDD#TRPBF is a high-voltage, monolithic, step-down switching regulator developed by Analog Devices. It is designed to efficiently convert higher DC input voltages to lower output voltages, making it suitable for a variety of applications including automotive, industrial, and telecom power supplies. The device can operate with input voltages ranging from 4.5V to 60V and can deliver up to 350mA of continuous output current.
The LT3990 features an adjustable switching frequency, which can be set from 200kHz to 2.5MHz, allowing designers to optimize efficiency and performance according to their specific requirements. It also includes built-in protection features such as overcurrent protection, thermal shutdown, and short-circuit protection, enhancing system reliability.
Packaged in a thermally enhanced 10-lead DFN (3mm × 3mm) package, the LT3990EDD#TRPBF is compact, facilitating ease of integration into space-constrained designs. Its high efficiency, wide input voltage range, and robust protection features make it a versatile choice for designers needing a reliable power conversion solution in challenging environments.
The LT3990 features an adjustable switching frequency, which can be set from 200kHz to 2.5MHz, allowing designers to optimize efficiency and performance according to their specific requirements. It also includes built-in protection features such as overcurrent protection, thermal shutdown, and short-circuit protection, enhancing system reliability.
Packaged in a thermally enhanced 10-lead DFN (3mm × 3mm) package, the LT3990EDD#TRPBF is compact, facilitating ease of integration into space-constrained designs. Its high efficiency, wide input voltage range, and robust protection features make it a versatile choice for designers needing a reliable power conversion solution in challenging environments.
Equivalent
The LT3990EDD#TRPBF is a high-voltage monolithic step-down switching regulator from Analog Devices (formerly Linear Technology). Equivalent products from other manufacturers may include:
1. Texas Instruments' LM43603, which is a 3.5-V to 36-V, 0.6-A step-down voltage regulator.
2. STMicroelectronics’ L7986, a 38 V, 2 A step-down switching regulator.
3. ON Semiconductor's NCP3063, a DC-DC step-down regulator supporting similar voltage ranges.
It's important to verify the electrical characteristics and pin compatibility when selecting alternatives.
1. Texas Instruments' LM43603, which is a 3.5-V to 36-V, 0.6-A step-down voltage regulator.
2. STMicroelectronics’ L7986, a 38 V, 2 A step-down switching regulator.
3. ON Semiconductor's NCP3063, a DC-DC step-down regulator supporting similar voltage ranges.
It's important to verify the electrical characteristics and pin compatibility when selecting alternatives.
Features
The LT3990EDD#TRPBF is a high-performance, monolithic step-down switching regulator from Analog Devices (formerly Linear Technology). Key features include:
1. Wide Input Voltage Range: It operates efficiently over a broad input voltage from 4V to 60V, making it suitable for a variety of applications.
2. Output Voltage: The device can be adjusted to provide output voltages from 1.21V to 36V.
3. Output Current: It is capable of delivering up to 350 mA of continuous output current.
4. Efficiency: The regulator offers high efficiency, up to 90%, due to its low quiescent current and low RDS(ON) switch.
5. Switching Frequency: The LT3990 can be programmed to switch between 200 kHz and 2.5 MHz, allowing for flexibility in component selection and efficiency optimization.
6. Protection Features: It includes built-in protection features such as thermal shutdown, cycle-by-cycle current limit, and short-circuit protection to enhance reliability and safety.
7. Package: It is available in a thermally enhanced 8-lead (3mm × 3mm) DFN package.
These features make the LT3990EDD#TRPBF ideal for industrial, automotive, and distributed power systems.
1. Wide Input Voltage Range: It operates efficiently over a broad input voltage from 4V to 60V, making it suitable for a variety of applications.
2. Output Voltage: The device can be adjusted to provide output voltages from 1.21V to 36V.
3. Output Current: It is capable of delivering up to 350 mA of continuous output current.
4. Efficiency: The regulator offers high efficiency, up to 90%, due to its low quiescent current and low RDS(ON) switch.
5. Switching Frequency: The LT3990 can be programmed to switch between 200 kHz and 2.5 MHz, allowing for flexibility in component selection and efficiency optimization.
6. Protection Features: It includes built-in protection features such as thermal shutdown, cycle-by-cycle current limit, and short-circuit protection to enhance reliability and safety.
7. Package: It is available in a thermally enhanced 8-lead (3mm × 3mm) DFN package.
These features make the LT3990EDD#TRPBF ideal for industrial, automotive, and distributed power systems.
Pinout
The LT3990EDD#TRPBF is a step-down switching regulator manufactured by Analog Devices. It comes in a 10-lead DFN (Dual Flat No-lead) package, which indicates it has 10 pins.
The primary function of the LT3990 is to efficiently convert a higher input voltage to a lower output voltage with high efficiency, suitable for applications requiring a compact footprint and high performance. It operates over a wide input voltage range, and features include low quiescent current, programmable switching frequency, soft-start capability, and a power-good indicator.
The specific pin count and configuration can be verified from the official datasheet, which provides detailed information on the pin functions, electrical characteristics, and typical applications. Always refer to the manufacturer's documentation for precise and critical design specifications.
The primary function of the LT3990 is to efficiently convert a higher input voltage to a lower output voltage with high efficiency, suitable for applications requiring a compact footprint and high performance. It operates over a wide input voltage range, and features include low quiescent current, programmable switching frequency, soft-start capability, and a power-good indicator.
The specific pin count and configuration can be verified from the official datasheet, which provides detailed information on the pin functions, electrical characteristics, and typical applications. Always refer to the manufacturer's documentation for precise and critical design specifications.
Manufacturer
The LT3990EDD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These products are used in various electronic equipment to convert, condition, and process real-world phenomena, such as temperature, pressure, sound, light, speed, and motion, into electrical signals. The company serves a broad array of markets, including industrial, automotive, communications, healthcare, and consumer electronics, providing solutions that enable high-performance sensing, measuring, and interpreting of real-world data.
Application
The LT3990EDD#TRPBF is a high-voltage monolithic buck switching regulator. Its application areas include automotive systems, industrial power supplies, and telecommunications equipment. It is designed to efficiently step down voltages in systems requiring high-input voltage capabilities, making it suitable for automotive battery regulation and industrial automation. Its wide input voltage range and high-efficiency performance are ideal for use in battery-powered devices, distributed power systems, and DC/DC conversion in telecom infrastructures. Additionally, it finds applications in medical equipment and instrumentation, where reliable voltage regulation is crucial.
Package
The LT3990EDD#TRPBF is a step-down switching regulator from Analog Devices, packaged in a 10-lead (3mm x 3mm) DFN (Dual Flat No-Lead) package. The "#TRPBF" suffix indicates it is RoHS compliant and comes in tape and reel packaging for automated assembly processes.
