사양
| 속성 | 가치 |
| Package | Tube |
| ProductStatus | Obsolete |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 4V ~ 60V |
| Frequency-Switching | 200kHz ~ 600kHz |
| DutyCycle(Max) | 100% |
| SynchronousRectifier | No |
| ClockSync | Yes |
| ControlFeatures | Current Limit, Frequency Control, Soft Start |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) Exposed Pad |
개요
Description
The LTC3824IMSE is a high-efficiency step-down DC/DC converter designed by Analog Devices, primarily used for converting higher DC voltages to lower levels in electronic devices. It features a wide input voltage range, typically from 4V to 60V, making it suitable for automotive, industrial, and telecommunications applications. The LTC3824IMSE can deliver output currents up to 5A, depending on the external components, and offers a high level of efficiency by utilizing a constant-frequency current mode architecture.
The device includes features like programmable frequency, which can help optimize the balance between efficiency and component size, and offers excellent transient response. It incorporates built-in protection features such as overcurrent protection and thermal shutdown to enhance reliability. The IMSE suffix denotes a specific MSOP-10 package, which is compact and suitable for space-constrained applications. Overall, the LTC3824IMSE is known for its versatility, robustness, and efficiency in power management applications.
The device includes features like programmable frequency, which can help optimize the balance between efficiency and component size, and offers excellent transient response. It incorporates built-in protection features such as overcurrent protection and thermal shutdown to enhance reliability. The IMSE suffix denotes a specific MSOP-10 package, which is compact and suitable for space-constrained applications. Overall, the LTC3824IMSE is known for its versatility, robustness, and efficiency in power management applications.
Equivalent
The LTC3824IMSE is a DC/DC step-down regulator. Equivalent products include the LM2675 from Texas Instruments, the MIC4576 from Microchip Technology, and the MP2307 from Monolithic Power Systems. These alternatives offer similar functionalities in terms of voltage regulation and efficiency, but specific features and performance characteristics should be compared to ensure compatibility with your design requirements. Always consult the datasheets for detailed specifications.
Features
The LTC3824IMSE is a high-efficiency step-down DC/DC converter controller from Analog Devices. It offers a wide input voltage range from 4V to 60V, making it suitable for diverse applications. This device features a constant frequency, current mode architecture, providing excellent line and load regulation. It supports external synchronization and adjustable operating frequency from 100kHz to 600kHz, allowing for flexibility in design. The LTC3824IMSE includes built-in protection mechanisms such as overvoltage protection, short-circuit protection, and thermal shutdown, enhancing reliability and safety. Its gate drive is optimized for logic-level MOSFETs, improving efficiency. The device operates in a low quiescent current mode, extending battery life in portable applications. Additional features include a shutdown mode to reduce power consumption further and an adjustable soft-start to minimize inrush current during startup. Its compact MSOP-10 package makes it suitable for space-constrained designs. Overall, the LTC3824IMSE is ideal for applications requiring efficient power conversion with a wide input voltage range.
Pinout
The LTC3824IMSE is a step-down (buck) DC/DC controller. It typically comes in a 10-lead MSOP (MSE) package. The IC is designed to drive external MOSFETs to deliver high-efficiency power conversion.
Here is a brief overview of its pin functions:
1. RUN: Enable pin for the controller.
2. VOUT: Feedback pin for output voltage regulation.
3. ISET: Sets the switching frequency.
4. SS: Soft-start control.
5. PGOOD: Power-good indicator.
6. SW: Connection to the switch node.
7. GND: Ground.
8. VIN: Input supply voltage.
9. TG: Top gate drive for the high-side MOSFET.
10. BG: Bottom gate drive for the low-side MOSFET.
This design allows for flexibility and efficiency in multiple applications, such as in power management for embedded systems, distributed power systems, and battery-operated devices.
Here is a brief overview of its pin functions:
1. RUN: Enable pin for the controller.
2. VOUT: Feedback pin for output voltage regulation.
3. ISET: Sets the switching frequency.
4. SS: Soft-start control.
5. PGOOD: Power-good indicator.
6. SW: Connection to the switch node.
7. GND: Ground.
8. VIN: Input supply voltage.
9. TG: Top gate drive for the high-side MOSFET.
10. BG: Bottom gate drive for the low-side MOSFET.
This design allows for flexibility and efficiency in multiple applications, such as in power management for embedded systems, distributed power systems, and battery-operated devices.
Manufacturer
The LTC3824IMSE is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves various industries, including automotive, communications, industrial, instrumentation, healthcare, and consumer electronics. Their products are used in applications such as data conversion, signal processing, power management, and sensing technologies. Analog Devices is known for its innovation and high-performance solutions in the field of electronics.
Application
The LTC3824IMSE is a step-down DC/DC converter often used in automotive systems, telecom power supplies, distributed power systems, and industrial controls. Its wide input voltage range makes it suitable for battery-powered devices and portable electronics. Thanks to its high efficiency and low quiescent current, it is ideal for applications requiring efficient power management, such as in battery charging systems and backup power solutions. Additionally, its ability to handle high switching frequencies allows for compact design, making it suitable for space-constrained applications like handheld devices and embedded systems.
Package
The LTC3824IMSE is a DC/DC step-down switching regulator housed in a 10-lead MSOP (Mini Small Outline Package) package. This compact package type is suitable for applications requiring efficient power regulation in limited space.
