LM51561DSSR

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LM51561DSSR

2.2MHZ WIDE INPUT NONSYNCHRONOUS

  • 제조업체
  • Mfr.부분 #LM51561DSSR
  • 패키지 WSON-12
  • 데이터시트
  • 재고 있음6200

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사양

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 ~ 60V
Frequency-Switching 100kHz ~ 2.2MHz
DutyCycle(Max) 93%
SynchronousRectifier No
ClockSync No
ControlFeatures Current Limit, Enable, Frequency Control, Power Good, Soft Start
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 12-WFDFN Exposed Pad

개요

Description

The LM51561DSSR is a high-performance synchronous boost controller developed by Texas Instruments. It is designed for a wide range of power supply applications, particularly where efficient step-up voltage conversion is necessary. This controller is equipped with advanced features to support high-efficiency and reliable power conversion. Key specifications and features include a wide input voltage range, programmable switching frequency, and robust fault protection mechanisms such as overcurrent and thermal shutdown protections. The LM51561DSSR supports both discontinuous and continuous conduction modes, offering flexibility in different operational scenarios. It is commonly used in applications like automotive power systems, industrial power supplies, and battery-powered devices. The component comes in a small package, making it suitable for space-constrained designs. Its design promotes ease of use and integration, helping to simplify the development process for engineers working on power supply systems.

Features

The LM51561DSSR is a versatile DC-DC boost converter IC from Texas Instruments. Key features include:
1. Wide Input Voltage Range: Supports a broad input range, enhancing its application flexibility in various power systems.

2. High Efficiency: Achieves high efficiency across a variety of loads due to its advanced control architecture and adaptive switching techniques.

3. Programmable Switching Frequency: Allows the designer to set the switching frequency, optimizing the trade-off between efficiency and component size.

4. Integrated High-Side MOSFET: Comes with an integrated power MOSFET, reducing the need for external components and simplifying the design.

5. Low Quiescent Current: Offers low standby current, making it suitable for battery-powered applications.

6. Adjustable Output Voltage: Supports a wide adjustable output voltage range, ideal for different application requirements.

7. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout, ensuring robust operation under fault conditions.
8. Small Package: Available in a compact, thermally efficient package, facilitating space-saving designs.
These features make the LM51561DSSR suitable for a variety of applications including automotive, industrial, and consumer electronics.

Package

The LM51561DSSR is a boost controller integrated circuit from Texas Instruments. It is available in a WSON (Winged Small Outline No-lead) package type, which is compact and thermally efficient, typically suited for high-density and space-constrained applications.

Pinout

The LM51561DSSR is a high-performance boost controller IC designed by Texas Instruments. It comes in a 10-pin WSON (DSG) package. Here's a brief overview of its pin functions:
1. VIN: Input voltage supply pin for the IC.
2. EN/UVLO: Enable and undervoltage lockout pin to turn the device on/off.
3. COMP: Compensation pin for error amplifier.
4. FB: Feedback pin for voltage regulation.
5. RT/SYNC: Sets the switching frequency and allows for external synchronization.
6. OUT: Output drive pin for the external MOSFET.
7. CS: Current sense input for peak current mode control.
8. GND: Ground reference for the IC.
9. VCC: Internally generated supply voltage for internal circuits.
10. SS/TRK: Soft-start and tracking pin for controlling startup time.
The LM51561DSSR is optimized for various applications, including boost, SEPIC, and flyback configurations, and is suitable for automotive and industrial power solutions.

Manufacturer

The LM51561DSSR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. The company is known for its development of analog chips and embedded processors, which are used in a wide range of electronics, from consumer devices to industrial applications. TI is a major player in the semiconductor industry and has a reputation for innovation and quality in electronic component manufacturing.

Application

The LM51561DSSR is a DC/DC boost controller designed for use in various applications. These include automotive power systems, where it can be used for boosting battery voltages; industrial power supplies, where it aids in efficient voltage conversion; consumer electronics that require step-up voltage regulation; and LED lighting systems, for maintaining consistent illumination levels. Its wide input voltage range and high efficiency make it suitable for reliable performance in demanding environments.

Equivalent

The LM51561DSSR is a synchronous boost controller from Texas Instruments. Equivalent products from other manufacturers might include:
1. LT3757 from Analog Devices (formerly Linear Technology) - A boost/inverting DC/DC controller.
2. MAX1771 from Maxim Integrated - A high-efficiency, low quiescent current boost converter.
3. NCP3063 from ON Semiconductor - A DC-DC converter IC with similar functionality.
Consider checking datasheets for specific parameter matches, as exact equivalence may vary based on specific application requirements.

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