Allicdata Part #: | LM5140QRWGRQ1-ND |
Manufacturer Part#: |
LM5140QRWGRQ1 |
Price: | $ 2.27 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | DUAL SYNCHRONOUS BUCK CONTROLLER |
More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
DataSheet: | LM5140QRWGRQ1 Datasheet/PDF |
Quantity: | 1000 |
2500 +: | $ 2.06142 |
Voltage - Supply (Vcc/Vdd): | 3.8 V ~ 65 V |
Supplier Device Package: | 40-VQFNP (6x6) |
Package / Case: | 40-VFQFN Exposed Pad |
Operating Temperature: | -40°C ~ 150°C (TJ) |
Control Features: | Current Limit, Enable, Frequency Control, Soft Start |
Serial Interfaces: | -- |
Clock Sync: | Yes |
Synchronous Rectifier: | Yes |
Duty Cycle (Max): | -- |
Frequency - Switching: | 440kHz, 2.2MHz |
Series: | Automotive, AEC-Q100 |
Output Phases: | 1 |
Number of Outputs: | 2 |
Topology: | Buck |
Output Configuration: | Positive |
Function: | Step-Down |
Output Type: | Transistor Driver |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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LM5140QRWGRQ1 is a controller designed for DC/DC applications. It is part of a family of voltage regulators, DC-DC switching controllers, and AC-DC converters manufactured by Texas Instruments. This device is designed to provide efficient, reliable, and safe power conversion solutions in many applications, ranging from simple to sophisticated power supply designs.
The LM5140QRWGRQ1 is designed to operate as a synchronous "buck" boost or constant-frequency control, and also implemented a synchronous rectifier to increase the efficiency of the circuit. The switching frequency can be adjusted from 250kHz to 1MHz using an external resistor, allowing for easy optimization of the design for different applications. An external enable pin and enable resistors are provided for enable ON/OFF control of the device and the integrated bootstrap diode allows for operation with input and output supplies up to 65V.
The LM5140QRWGRQ1 also includes many features that make it well suited for use in a wide range of applications. It has an integrated low-side MOSFET gate driver, adjustable soft-start and over-current detection, and skip cycle control to reduce the switching noise. The integrated loop compensation eliminates the need for external components while the high-frequency operation of the device allows the use of very small input, output, and compensation capacitors.
The LM5140QRWGRQ1 is designed to provide high efficiency over a wide input and output voltage range. It can be used with a wide variety of FETs and switching topologies, allowing flexibility when designing a power supply. The device also integrates programmable over-voltage and under-voltage protection to ensure safe operation in any application.
The LM5140QRWGRQ1 is a versatile and reliable device for powering a variety of applications, including wireless infrastructure, automotive, medical, industrial, and consumer electronics. It is a widely used controller for efficient and reliable power design, and is suitable for a range of DC/DC converting applications.
The specific data is subject to PDF, and the above content is for reference
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