LM5025AMTCX/NOPB
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Texas Instruments LM5025AMTCX/NOPB

Manufacturer No:
LM5025AMTCX/NOPB
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC REG CTRLR FWRD CONV 16TSSOP
Delivery:
Payment:
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Product Introduction

Overview

The LM5025AMTCX/NOPB is a functional variant of the LM5025 active clamp PWM controller produced by Texas Instruments. This device is designed to implement power converters using the Active Clamp / Reset technique, which allows for higher efficiencies and greater power densities compared to conventional methods. The LM5025AMTCX/NOPB features increased current limit thresholds for CS1 and CS2, a disabled internal CS2 filter discharge device, and continuous operation of the internal VCC and VREF regulators even when the line UVLO pin is below threshold. It is optimized for high-speed operation with an oscillator frequency range up to 1 MHz and total PWM and current sense propagation delays less than 100 ns.

Key Specifications

Parameter Description
Manufacturer Texas Instruments
Part Number LM5025AMTCX/NOPB
Package TSSOP-16
Input Voltage Range 4.5 V to 50 V
Output Voltage Regulation ±2%
Maximum Output Current 1.5 A
Switching Frequency Range 100 kHz to 1 MHz
Output Current (Driver) 3 A
Output Voltage (Driver) 8 V to 15 V
Operating Temperature Range -40°C to 125°C
Rohs Status Lead Free / RoHS Compliant

Key Features

  • Active Clamp / Reset technique for higher efficiency and power density
  • Increased current limit thresholds for CS1 and CS2 (0.5 V)
  • Disabled internal CS2 filter discharge device
  • Continuous operation of internal VCC and VREF regulators during line UVLO
  • High-speed operation with oscillator frequency up to 1 MHz
  • Total PWM and current sense propagation delays less than 100 ns
  • High-voltage start-up regulator (13 V to 90 V input range)
  • Line undervoltage lockout (UVLO), soft start, and thermal shutdown
  • Precision reference and oscillator UP and DOWN sync capability
  • Dead time control, frequency control, and ramp functions
  • Max duty cycle: 80%
  • Integrated power switch and high-performance PWM control
  • Excellent transient response and line regulation

Applications

  • Switching Power Supplies
  • DC-DC Converters
  • Battery Chargers
  • LED Drivers
  • Power Management for Portable Devices
  • Industrial Automation Systems
  • Telecommunication Equipment
  • Consumer Electronics
  • Network Technology
  • Automation Technology
  • Precision Measuring Instruments
  • Flaw Detection Equipment
  • Industrial Robots
  • Industrial Controllers
  • Die Casting Equipment

Q & A

  1. What is the maximum input voltage for the LM5025AMTCX/NOPB?

    The device can handle input voltages up to 50 V.

  2. Does the LM5025AMTCX/NOPB have built-in protections?
  3. What is the typical switching frequency of this IC?
  4. Is a soft-start function included?
  5. Can I use this IC for battery charging applications?
  6. What is the operating temperature range of the LM5025AMTCX/NOPB?
  7. What is the maximum duty cycle of the LM5025AMTCX/NOPB?
  8. Does the LM5025AMTCX/NOPB support oscillator synchronization?
  9. What type of package does the LM5025AMTCX/NOPB come in?
  10. Is the LM5025AMTCX/NOPB RoHS compliant?

Product Attributes

Output Type:Transistor Driver
Function:Step-Up/Step-Down
Output Configuration:Positive, Isolation Capable
Topology:Forward Converter
Number of Outputs:2
Output Phases:1
Voltage - Supply (Vcc/Vdd):8V ~ 15V
Frequency - Switching:200kHz ~ 580kHz
Duty Cycle (Max):80%
Synchronous Rectifier:No
Clock Sync:Yes
Serial Interfaces:- 
Control Features:Dead Time Control, Frequency Control, Ramp, Soft Start
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:16-TSSOP
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Similar Products

Part Number LM5025AMTCX/NOPB LM5025MTCX/NOPB LM5025BMTCX/NOPB LM5025CMTCX/NOPB LM5025DMTCX/NOPB LM5025AMTC/NOPB
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Obsolete Active
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Function Step-Up/Step-Down Step-Up/Step-Down Step-Up/Step-Down Step-Up/Step-Down Step-Up/Step-Down Step-Up/Step-Down
Output Configuration Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable
Topology Forward Converter Forward Converter Forward Converter Forward Converter Forward Converter Forward Converter
Number of Outputs 2 2 2 2 2 2
Output Phases 1 1 1 1 1 1
Voltage - Supply (Vcc/Vdd) 8V ~ 15V 8V ~ 15V 8V ~ 15V 8V ~ 15V 8V ~ 15V 8V ~ 15V
Frequency - Switching 200kHz ~ 580kHz 200kHz ~ 580kHz 200kHz ~ 400kHz 200kHz ~ 580kHz 200kHz ~ 580kHz 200kHz ~ 580kHz
Duty Cycle (Max) 80% 80% 71%, 73% 91% 80% 80%
Synchronous Rectifier No No No No No No
Clock Sync Yes Yes Yes Yes Yes Yes
Serial Interfaces - - - - - -
Control Features Dead Time Control, Frequency Control, Ramp, Soft Start Dead Time Control, Frequency Control, Ramp, Soft Start Dead Time Control, Frequency Control, Ramp, Soft Start Dead Time Control, Frequency Control, Ramp, Soft Start Dead Time Control, Frequency Control, Ramp, Soft Start Dead Time Control, Frequency Control, Ramp, 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) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 16-TSSOP (0.173", 4.40mm Width) 16-TSSOP (0.173", 4.40mm Width) 16-TSSOP (0.173", 4.40mm Width) 16-TSSOP (0.173", 4.40mm Width) 16-TSSOP (0.173", 4.40mm Width) 16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-TSSOP 16-TSSOP 16-TSSOP 16-TSSOP 16-TSSOP 16-TSSOP

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