LM25576MHX/NOPB Power Regulator IC Switching Voltage Regulators 42V 3A SD Switch Reg

Brand Name:Ti
Model Number:LM25576MHX/NOPB
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Location: Shenzhen China
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LM25576MHX/NOPB Power Regulator IC Switching Voltage Regulators 42V 3A SD Switch Reg


1 Features

  • Integrated 42-V, 170-mΩ N-channel MOSFET
  • Ultra-Wide Input Voltage Range from 6 V to 42 V

  • Adjustable Output Voltage as Low as 1.225 V

  • 1.5% Feedback Reference Accuracy

  • Operating Frequency Adjustable Between 50 kHz and 1 MHz with Single Resistor

  • Master or Slave Frequency Synchronization

  • Adjustable Soft-Start

  • Emulated Current Mode Control Architecture

  • Wide Bandwidth Error Amplifier

  • Built-in Protection

  • HTSSOP-20EP (Exposed Pad)

  • Create a Custom Design Using the LM25576 With the WEBENCH® Power Designer


2 Applications

• Industrial


3 Description

The LM25576 is an easy to use buck regulator which allows design engineers to design and optimize a robust power supply using a minimum set of components. Operating with an input voltage range of 6 V to 42 V, the LM25576 delivers 3 A of continuous output current with an integrated 170-mΩ N-Channel MOSFET. The regulator utilizes an Emulated Current Mode architecture which provides inherent line regulation, tight load transient response, and ease of loop compensation without the usual limitation of low- duty cycles associated with current mode regulators. The operating frequency is adjustable from 50 kHz to 1 MHz to allow optimization of size and efficiency. To reduce EMI, a frequency synchronization pin allows multiple IC’s from the LM(2)557x family to self- synchronize or to synchronize to an external clock. The LM25576 ensures robustness with cycle-by-cycle current limit, short-circuit protection, thermal shut- down, and remote shut-down. The device is available in a power enhanced HTSSOP-20 package featuring an exposed die attach pad for thermal dissipation. The LM25576 is supported by the full suite of WEBENCH® On-Line design tools.

Device Information

PART NUMBER

PACKAGE

BODY SIZE (NOM)

LM25576

HTSSOP (20)

6.50 mm × 4.40 mm


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LM25576MHX/NOPB Power Regulator IC Switching Voltage Regulators 42V 3A SD Switch Reg

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