圖片僅供參考
LM3478MAX/NOPB
IC REG CTRLR MULT TOPOLOGY 8SOIC
- 製造商
- 製造商。 部分 #LM3478MAX/NOPB
- 包 SOIC (D)-8
- 資料表
- 有現貨的6307
100%原創; 新
24小時準備發貨
365天保修
RFQ&; 獲得更多折扣
規格
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Boost, Flyback, SEPIC |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 2.97V ~ 40V |
| Frequency-Switching | 100kHz ~ 1MHz |
| DutyCycle(Max) | 100% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Enable, Frequency Control |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The LM3478MAX/NOPB is a versatile, high-efficiency switching regulator controller from Texas Instruments. It is primarily used for boost, SEPIC, and flyback converter applications. The device can operate over a wide input voltage range of 2.97V to 40V, making it suitable for various applications, including automotive systems, industrial power supplies, and consumer electronics.
Key features of the LM3478 include its high switching frequency capability up to 1 MHz, which allows for the use of smaller external components, leading to more compact designs. It also features a high output drive capability suitable for driving N-channel MOSFETs, and built-in protection features such as thermal shutdown and current limiting. The device uses a current mode control scheme, which provides improved transient response and ease of loop compensation.
The "NOPB" designation indicates that this version is lead-free and complies with RoHS standards. Overall, the LM3478MAX/NOPB offers a flexible and efficient solution for designers looking to implement boost or similar power conversion topologies in their systems.
Key features of the LM3478 include its high switching frequency capability up to 1 MHz, which allows for the use of smaller external components, leading to more compact designs. It also features a high output drive capability suitable for driving N-channel MOSFETs, and built-in protection features such as thermal shutdown and current limiting. The device uses a current mode control scheme, which provides improved transient response and ease of loop compensation.
The "NOPB" designation indicates that this version is lead-free and complies with RoHS standards. Overall, the LM3478MAX/NOPB offers a flexible and efficient solution for designers looking to implement boost or similar power conversion topologies in their systems.
Features
The LM3478MAX/NOPB is a versatile high-efficiency switch-mode controller specifically designed for boost, flyback, SEPIC, and inverting power supply applications. Key features include:
1. Wide Input Voltage Range: It supports an input voltage range from 2.97V to 40V, making it suitable for a variety of applications.
2. High Switching Frequency: Offers a programmable switching frequency up to 1 MHz, allowing for smaller external components and compact designs.
3. Current Mode Control: Utilizes a current mode control scheme that provides superior load and line regulation.
4. Adjustable Output Voltage: The device enables output voltage regulation with easy programmability and flexibility.
5. Low Shutdown Current: Features a low shutdown current consumption of 5 µA, enhancing energy efficiency when the device is not in use.
6. Internal Compensation: Integrated compensation simplifies the design process and helps to reduce the number of external components needed.
7. Thermal Shutdown: Includes thermal shutdown protection to prevent overheating and ensure reliability.
8. Peak Current Limit: Offers an adjustable peak current limit for added protection and control over the design parameters.
These features make the LM3478MAX/NOPB a robust choice for designers needing a reliable and efficient power management solution.
1. Wide Input Voltage Range: It supports an input voltage range from 2.97V to 40V, making it suitable for a variety of applications.
2. High Switching Frequency: Offers a programmable switching frequency up to 1 MHz, allowing for smaller external components and compact designs.
3. Current Mode Control: Utilizes a current mode control scheme that provides superior load and line regulation.
4. Adjustable Output Voltage: The device enables output voltage regulation with easy programmability and flexibility.
5. Low Shutdown Current: Features a low shutdown current consumption of 5 µA, enhancing energy efficiency when the device is not in use.
6. Internal Compensation: Integrated compensation simplifies the design process and helps to reduce the number of external components needed.
7. Thermal Shutdown: Includes thermal shutdown protection to prevent overheating and ensure reliability.
8. Peak Current Limit: Offers an adjustable peak current limit for added protection and control over the design parameters.
These features make the LM3478MAX/NOPB a robust choice for designers needing a reliable and efficient power management solution.
Package
The LM3478MAX/NOPB is a high-efficiency single-channel boost controller integrated in a SOIC-8 (Small Outline Integrated Circuit) package. It's designed for voltage regulation applications and is suitable for portable electronic devices due to its compact form factor.
Pinout
The LM3478MAX/NOPB is a high-efficiency, wide input range, current-mode, DC-DC controller from Texas Instruments. It is primarily used for boost, flyback, SEPIC, and forward converter applications.
This device comes in an 8-pin package, specifically the SOIC-8 (Small Outline Integrated Circuit) form factor. Here's a brief overview of the pin functions:
1. COMP: Compensation pin for stability and transient response.
2. FB: Feedback pin for voltage regulation by monitoring the output.
3. AGND: Analog ground reference for signal ground connections.
4. ISEN: Current sense pin for measuring the inductor current.
5. SW: Switch pin for connecting to the inductor and diode.
6. VCC: Supply voltage pin providing power to the IC.
7. RST (or UVLO): Reset or undervoltage lockout pin.
8. GND: Ground pin for power ground connections.
The LM3478 provides flexibility and efficiency for designing various power supply applications, supporting a wide input voltage range, and offering features like current-mode control for better dynamic performance.
This device comes in an 8-pin package, specifically the SOIC-8 (Small Outline Integrated Circuit) form factor. Here's a brief overview of the pin functions:
1. COMP: Compensation pin for stability and transient response.
2. FB: Feedback pin for voltage regulation by monitoring the output.
3. AGND: Analog ground reference for signal ground connections.
4. ISEN: Current sense pin for measuring the inductor current.
5. SW: Switch pin for connecting to the inductor and diode.
6. VCC: Supply voltage pin providing power to the IC.
7. RST (or UVLO): Reset or undervoltage lockout pin.
8. GND: Ground pin for power ground connections.
The LM3478 provides flexibility and efficiency for designing various power supply applications, supporting a wide input voltage range, and offering features like current-mode control for better dynamic performance.
Manufacturer
The LM3478MAX/NOPB is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. TI is one of the largest semiconductor companies in the world, with a product portfolio that includes amplifiers, data converters, power management chips, microcontrollers, and processors, among others. The company serves a wide array of markets, including automotive, industrial, consumer electronics, and communications equipment. Known for its innovation and high-quality products, Texas Instruments plays a significant role in the technology and electronics industries.
Application
The LM3478MAX/NOPB is a versatile high-efficiency switching regulator controller used in various applications. It is suitable for boost, SEPIC, flyback, and inverting converter designs. Common application areas include automotive systems, telecommunications, industrial power supplies, distributed power systems, and battery-powered devices. Its ability to operate over a wide input voltage range and deliver high output power makes it ideal for use in portable electronics, LED drivers, and other systems requiring efficient voltage regulation.
Equivalent
The LM3478MAX/NOPB is a switching regulator controller from Texas Instruments. Equivalent products with similar functionalities include:
1. LM3478MM/NOPB - Another variant by Texas Instruments.
2. LT3757 - From Analog Devices, a high-performance boost controller.
3. MC34063A - From ON Semiconductor, a DC-DC converter.
4. LTC1871 - From Analog Devices, a wide input range controller.
Always check the specific requirements and datasheets to ensure compatibility.
1. LM3478MM/NOPB - Another variant by Texas Instruments.
2. LT3757 - From Analog Devices, a high-performance boost controller.
3. MC34063A - From ON Semiconductor, a DC-DC converter.
4. LTC1871 - From Analog Devices, a wide input range controller.
Always check the specific requirements and datasheets to ensure compatibility.
船舶
運輸管道我們
通過DHL、FedEx、TNT、UPS或您選擇的任何其他貨運代理提供全球運輸服務。
運費參攷(DHL/FedEx):
動態主要裝載: 運費從25美元到45美元(0.5公斤)不等,預計交貨時間為2-5個工作日。
聯邦快遞: 運費從25美元到40美元(0.5公斤)不等,預計交貨時間為3-7個工作日。
不斷電供應系統: 運費從25美元到45美元(0.5公斤)不等,預計交貨時間為3-7個工作日。
三硝基甲苯: 運費從25美元到65美元(0.5公斤)不等,預計交貨時間為3-7個工作日。
增强型短消息: 運費從30美元到50美元(0.5公斤)不等,預計交貨時間為7-15個工作日。
掛號: 運費為2-4美元(0.1公斤),預計交貨時間為5-20個工作日。
支付
Payment Methods
付款條件為100%預付。
現時,我們只接受以下付款方式:
1. 貝寶
2. 信用卡/借記卡
3. 電匯
類似的
-
MX25R8035FM1IL0
Macronix
-
MX25L3233FZBI-08Q
Macronix
-
MX25V1635FZNI
Macronix
-
MX25V1635FZNQ03
Macronix
-
MX25V4035FZUI
Macronix
-
MX25V2033FM1I
Macronix
-
MX25R3235FZNIL0
Macronix
-
MX25L25673GMI-10G
Macronix
-
MX25U51279GXDR00
Macronix
-
MX25V1635FM2I
Macronix
-
MX25L12833FZ2I-10..
Macronix
-
MX25L25645GXDI-08..
Macronix