LM25576MHX/NOPB Power Regulator IC Switching Voltage Regulators 42V 3A SD Switch Reg
digital voltage regulator ic
,electronic voltage regulator circuit
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
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1.5% Feedback Reference Accuracy
-
Operating Frequency Adjustable Between 50 kHz and 1 MHz with Single Resistor
-
Master or Slave Frequency Synchronization
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Adjustable Soft-Start
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Emulated Current Mode Control Architecture
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Wide Bandwidth Error Amplifier
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Built-in Protection
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HTSSOP-20EP (Exposed Pad)
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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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