LM3487QMMX/NOPB
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Texas Instruments LM3487QMMX/NOPB

Manufacturer No:
LM3487QMMX/NOPB
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC REG CTRLR BUCK/BCK-BST 10MSOP
Delivery:
Payment:
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Product Introduction

Overview

The LM3487QMMX/NOPB is a high-efficiency, high-side N-channel MOSFET switching regulator controller produced by Texas Instruments. This component is designed for use in various power management applications, particularly in topologies that require a high-side MOSFET, such as buck, boost, and SEPIC converters.

It is available in a 10-pin VSSOP package and is known for its robust performance and versatility in managing power supply needs. The device is part of Texas Instruments' extensive range of power management integrated circuits (ICs), ensuring high reliability and efficiency in power conversion.

Key Specifications

Description Specification
Package Type 10-Pin VSSOP
Topology Buck, Boost, SEPIC
Control Method Pulse Width Modulated (PWM) Current Mode Control
Minimum Input Voltage 2.97 V
Maximum Input Voltage 40 V
Typical Switching Frequency Variable, dependent on application
Internal Push-Pull Driver 1-A Peak Current Capability
Current Limit and Thermal Shutdown Yes
Undervoltage Lockout With Hysteresis Yes
Operating Temperature Range -40°C to 125°C

Key Features

  • High-efficiency, high-side N-channel MOSFET switching regulator controller
  • Supports buck, boost, and SEPIC converter topologies
  • Pulse Width Modulated (PWM) current mode control architecture
  • Internal push-pull driver with 1-A peak current capability
  • Current limit and thermal shutdown for protection
  • Undervoltage lockout with hysteresis
  • Frequency compensation optimized with a capacitor and a resistor
  • Internal soft start feature

Applications

  • Distributed power systems
  • Battery chargers
  • Offline power supplies
  • Telecom power supplies
  • Automotive power systems
  • General industrial power supplies

Q & A

  1. What is the LM3487QMMX/NOPB used for?

    The LM3487QMMX/NOPB is used as a high-efficiency, high-side N-channel MOSFET switching regulator controller in various power management applications.

  2. What package type does the LM3487QMMX/NOPB come in?

    The LM3487QMMX/NOPB comes in a 10-pin VSSOP package.

  3. What are the supported topologies for the LM3487QMMX/NOPB?

    The LM3487QMMX/NOPB supports buck, boost, and SEPIC converter topologies.

  4. What is the typical switching frequency of the LM3487QMMX/NOPB?

    The typical switching frequency is variable and dependent on the application.

  5. Does the LM3487QMMX/NOPB have current limit and thermal shutdown features?

    Yes, the LM3487QMMX/NOPB includes current limit and thermal shutdown features for protection.

  6. What is the operating temperature range of the LM3487QMMX/NOPB?

    The operating temperature range is -40°C to 125°C.

  7. What is the minimum input voltage for the LM3487QMMX/NOPB?

    The minimum input voltage is 2.97 V.

  8. What is the maximum input voltage for the LM3487QMMX/NOPB?

    The maximum input voltage is 40 V.

  9. Does the LM3487QMMX/NOPB have an internal push-pull driver?

    Yes, the LM3487QMMX/NOPB has an internal push-pull driver with a 1-A peak current capability.

  10. What are some common applications of the LM3487QMMX/NOPB?

    Common applications include distributed power systems, battery chargers, offline power supplies, telecom power supplies, and automotive power systems.

Product Attributes

Output Type:Transistor Driver
Function:Step-Down, Step-Up/Step-Down
Output Configuration:Positive or Negative
Topology:Buck, Buck-Boost
Number of Outputs:1
Output Phases:1
Voltage - Supply (Vcc/Vdd):2.97V ~ 35V
Frequency - Switching:100kHz ~ 1.4MHz
Duty Cycle (Max):100%
Synchronous Rectifier:No
Clock Sync:Yes
Serial Interfaces:- 
Control Features:Enable, Frequency Control, Soft Start
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package:10-VSSOP
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Similar Products

Part Number LM3487QMMX/NOPB LM3488QMMX/NOPB LM3489QMMX/NOPB LM3481QMMX/NOPB LM3487QMM/NOPB
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Obsolete Active Active Active Obsolete
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Function Step-Down, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Down Step-Up, Step-Up/Step-Down Step-Down, Step-Up/Step-Down
Output Configuration Positive or Negative Positive Positive Positive Positive or Negative
Topology Buck, Buck-Boost Boost, Flyback, SEPIC Buck Boost, Flyback, SEPIC Buck, Buck-Boost
Number of Outputs 1 1 1 1 1
Output Phases 1 1 1 1 1
Voltage - Supply (Vcc/Vdd) 2.97V ~ 35V 2.97V ~ 40V 4.5V ~ 35V 2.97V ~ 48V 2.97V ~ 35V
Frequency - Switching 100kHz ~ 1.4MHz 100kHz ~ 1MHz Up to 1MHz 100kHz ~ 1MHz 100kHz ~ 1.4MHz
Duty Cycle (Max) 100% 100% 100% 85% 100%
Synchronous Rectifier No No No No No
Clock Sync Yes Yes No Yes Yes
Serial Interfaces - - - - -
Control Features Enable, Frequency Control, Soft Start Enable, Frequency Control Current Limit, Enable Enable, Frequency Control, Ramp, Soft Start Enable, Frequency Control, Soft Start
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package 10-VSSOP 8-VSSOP 8-VSSOP 10-VSSOP 10-VSSOP

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