LM5007MM

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LM5007MM

IC REG BUCK ADJ 500MA 8VSSOP

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規格

Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Not For New Designs
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 9V
Voltage-Input(Max) 75V
Voltage-Output(Min/Fixed) 2.5V
Voltage-Output(Max) 73V
Current-Output 500mA
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

概述

Description

The LM5007MM is a step-down switching voltage regulator integrated circuit developed by Texas Instruments. This component is designed to convert a higher input voltage to a lower output voltage efficiently, suitable for various power management applications. It operates over a wide input voltage range, typically from 9V to 75V, making it versatile for use in automotive, industrial, and telecommunications systems.
Key features of the LM5007MM include a high switching frequency, which allows for smaller external components and a compact design. It also has an integrated 0.7A N-Channel MOSFET, which simplifies the overall circuit design and reduces the need for external components. The device includes internal current limiting, thermal shutdown, and an enable pin for easy control.
The LM5007MM is available in a surface-mount package, making it suitable for space-constrained environments. It provides a reliable solution for designers looking to efficiently step down voltage in medium-power applications while maintaining high performance and stability.

Features

The LM5007MM is a high-voltage, non-synchronous buck (step-down) DC-DC regulator. It is designed for applications requiring efficient power conversion. Key features include:
1. Wide Input Voltage Range: It operates from 9V to 75V, making it suitable for a variety of high-voltage applications.
2. Output Current: Delivers up to 0.5A output current.
3. Switching Frequency: The device features an adjustable switching frequency up to 500 kHz, allowing for smaller external components and efficient power conversion.
4. Internal MOSFET: It includes an integrated N-channel MOSFET switch, simplifying the design and reducing the component count.
5. Peak Current Mode Control: Provides inherent line feedforward, with fast transient response and easy loop compensation.
6. Protection Features: Offers under-voltage lockout, cycle-by-cycle current limiting, and thermal shutdown to protect the device and the application.
7. Soft Start: Includes a programmable soft-start function to reduce inrush currents during startup.
8. Thermal Performance: Housed in a thermally enhanced MSOP-8 package to support efficient heat dissipation.
These features make the LM5007MM suitable for industrial, automotive, and telecom applications requiring reliable high-voltage step-down conversion.

Package

The LM5007MM is available in a Mini Small Outline Package (MSOP), which is a compact surface-mount package type designed for space-constrained applications.

Pinout

The LM5007MM is a step-down switching regulator from Texas Instruments, typically packaged in an 8-pin MSOP (Mini Small Outline Package). It is designed for use in various applications requiring a high-voltage step-down regulator.
Pin Functions:
1. SW (Pin 1): Switch node connected to the inductor.
2. BST (Pin 2): Bootstrap capacitor connection for providing gate drive voltage to the high-side MOSFET.
3. RCL (Pin 3): Connection for the current limit resistor.
4. RTN (Pin 4): Ground return for the circuit.
5. FB (Pin 5): Feedback input for setting the output voltage.
6. UVLO (Pin 6): Under-voltage lockout adjusting pin.
7. Vin (Pin 7): Input voltage supply pin.
8. VCC (Pin 8): Output of the internal LDO and input for the internal gate drive circuit.
This device is used in applications that require a wide input voltage range and can deliver up to 0.5A continuous output current.

Manufacturer

The LM5007MM is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company known for designing and manufacturing a wide range of semiconductor products, including integrated circuits and embedded processors. They serve various industries, including automotive, industrial, consumer electronics, and communications equipment.

Application

The LM5007MM is a step-down switching regulator commonly used in applications requiring efficient voltage regulation. It is suitable for use in distributed power systems, industrial control systems, and automotive electronics. Its ability to handle input voltages up to 75V makes it ideal for high-voltage applications, including telecommunications equipment, battery-powered devices, and other high-reliability systems. Its small form factor and high efficiency make it suitable for compact, power-sensitive applications.

Equivalent

The LM5007MM is a step-down switching regulator from Texas Instruments. Equivalent products with similar functionality include:
1. LM2675 series from Texas Instruments - another step-down regulator.
2. TPS5430 from Texas Instruments - a 3A step-down converter.
3. MC34063A from ON Semiconductor - a general-purpose DC-DC converter.
4. LT1933 from Analog Devices - a step-down regulator.
5. MAX5035 from Maxim Integrated - a high-voltage step-down converter.
Ensure that these alternatives meet your specific electrical and thermal requirements before substitution.

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