LM3150MH

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Simple Switcher LM3150MH, Buck Controller for 6-42V

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LM3150MH 數據表

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LM3150MH 詳細說明

When it comes to power regulation, the LM3150MH is a top contender. Its capabilities, including a wide operating temperature range, built-in protection features, and thermally enhanced package, make it a reliable choice for industrial, automotive, and telecommunications uses. Whether it's controlling startup time or delivering continuous output current, this regulator is designed to meet the demanding requirements of modern applications

主要特徵

  • LM3 Series features soft-start and overcurrent protection for safe operation
  • Adjustable output voltage ensures stable power delivery
  • Thermal shutdown prevents damage from overheating

應用

  • Ideal for point-of-load converters
  • Suitable for industrial automation
  • Excellent for low power applications

規格

以下是所選零件的基本參數,涉及零件的特性及其所屬類別。

Pbfree Code No Rohs Code No
Part Life Cycle Code Active Part Package Code TSSOP
Pin Count ! 14 Additional Feature ! ALSO HAS ADJUSTABLE OUTPUT VOLTAGE DOWN TO 0.6V; ALSO OPERATES IN CURRENT MODE
Analog IC - Other Type SWITCHING CONTROLLER Control Mode VOLTAGE-MODE
Input Voltage-Max 42 V Input Voltage-Min 6 V
Input Voltage-Nom 18 V JESD-30 Code R-PDSO-G14
JESD-609 Code e0 Length 5 mm
Moisture Sensitivity Level 1 Number of Functions 1
Number of Terminals 14 Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C Package Body Material PLASTIC/EPOXY
Package Code HSSOP Package Shape RECTANGULAR
Package Style SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH Peak Reflow Temperature (Cel) 260
Surface Mount ! YES Switcher Configuration PUSH-PULL
Switching Frequency-Max 1000 kHz Temperature Grade ! AUTOMOTIVE
Terminal Finish TIN LEAD Terminal Form ! GULL WING
Terminal Pitch ! 0.65 mm Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 40 Width 4.4 mm

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。

初步規格 LM3150MH PDF 下載

常見問題解答

What is LM3150MH?

The LM3150MH is a high-efficiency, step-down DC-DC switching regulator designed by Texas Instruments. It is ideal for applications requiring a compact and efficient power supply solution, such as portable devices, automotive electronics, and industrial control systems.

How Does LM3150MH Work?

The LM3150MH operates by converting a higher voltage input to a lower regulated output voltage through a switching mechanism. It uses a pulse-width modulation (PWM) control scheme to regulate the output voltage with high efficiency. The regulator features integrated power FETs, reducing external component count and simplifying design.

How Many Pins does LM3150MH have and What are the Functions of the Pinout Configuration?

The LM3150MH comes in a 16-lead HTSSOP (PowerPAD) package. The pinout configuration includes:

  • VIN: Input voltage pin.
  • SW: Switching node for inductor connection.
  • FB: Feedback pin for output voltage regulation.
  • EN: Enable pin for turning the regulator on/off.
  • PGND: Power ground pin.
  • AGND: Analog ground pin.
  • PWM: PWM dimming and frequency select pin.
  • COMP: Compensation pin for stability.

What are the Pros and Cons of LM3150MH?

Pros:

  • High Efficiency: Offers high efficiency in power conversion, reducing heat dissipation.
  • Compact Size: The HTSSOP package is space-saving and suitable for compact designs.
  • Integrated FETs: Integrated power FETs simplify the external component count and layout.
  • Wide Input Voltage Range: Supports a wide input voltage range for versatile applications.
  • Adjustable Frequency: Allows for frequency adjustment for optimization based on application requirements.

Cons:

  • Complexity: Switching regulators like the LM3150MH may require careful PCB layout and noise management.
  • External Components: Certain applications may require additional external components for filtering or protection.
  • Thermal Considerations: Efficiency comes with trade-offs in thermal management, especially at high loads.

Are There Any Equivalents/Alternatives to LM3150MH for Recommendation?

  • The LM2675 from Texas Instruments is a similar step-down regulator with slightly different specifications.
  • Alternatives to the LM3150MH include the MAX5036 from Maxim Integrated and the LT1376 from Analog Devices.

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