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LM25576MH Integrated Circuits ICs Chip 42V 3A Step Down Switching Regulator

Good quality Programmable IC Chips for sales
Good quality Programmable IC Chips for sales
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LM25576MH Integrated Circuits ICs Chip 42V 3A Step Down Switching Regulator

China LM25576MH Integrated Circuits ICs Chip 42V 3A Step Down Switching Regulator supplier

Large Image :  LM25576MH Integrated Circuits ICs Chip 42V 3A Step Down Switching Regulator

Product Details:

Place of Origin: original factory
Brand Name: Anterwell
Certification: new & original
Model Number: LM25576MH

Payment & Shipping Terms:

Minimum Order Quantity: 10pcs
Price: Negotiate
Packaging Details: Please contact me for details
Delivery Time: 1 day
Payment Terms: T/T, Western Union, Paypal
Supply Ability: 7300pcs
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Detailed Product Description
VIN To GND: 45 V BST To GND: 60 V
PRE To GND: 45 V BST To SW: 14 V
Storage Temperature: -65°C To +150°C Operation Junction Temperature: −40°C To + 125°C
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LM25576MH Integrated Circuit Chip 42V 3A Step Down Switching Regulator

 

General Description

 

The LM25576 is an easy to use SIMPLE SWITCHER® 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 - 42V, the LM25576 delivers 3A of continuous output current with an integrated 170mΩ 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 50kHz to 1MHz 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 guarantees 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 TSSOP-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.

 

Features

■ Integrated 42V, 170mΩ N-channel MOSFET

■ Ultra-wide input voltage range from 6V to 42V

■ Adjustable output voltage as low as 1.225V

■ 1.5% feedback reference accuracy

■ Operating frequency adjustable between 50kHz and 1MHz with single resistor

 

■ Master or slave frequency synchronization

■ Adjustable soft-start

■ Emulated current mode control architecture

■ Wide bandwidth error amplifier

■ Built-in protection

 

Package

■ TSSOP-20EP (Exposed Pad)

 

Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.

 

VIN to GND                                          45V

BST to GND                                        60V

PRE to GND                                        45V

SW to GND (Steady State)               -1.5V

BST to VCC                                        45V

SD, VCC to GND                                14V

 

BST to SW                                                            14V

OUT to GND                                           Limited to Vin

SYNC, SS, FB, RAMP to GND                                7V

ESD Rating (Note 2)  

  Human Body Model                                            2kV

Storage Temperature Range           -65°C to +150°C

 

Operating Ratings (Note 1)

VIN                                                              6V to 42V

Operation Junction Temperature    −40°C to + 125°C

                                                                                                                              

Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the device is intended to be functional. For guaranteed specifications and test conditions, see the Electrical Characteristics.

Note 2: The human body model is a 100pF capacitor discharged through a 1.5kΩ resistor into each pin.

 

Simplified Application Schematic

LM25576MH Integrated Circuits ICs Chip 42V 3A Step Down Switching Regulator

 

Connection Diagram

LM25576MH Integrated Circuits ICs Chip 42V 3A Step Down Switching Regulator

 

Ordering Information

Order Number Package Type NSC Package Drawing Supplied As
LM25576MH Exposed Pad TSSOP-20 MXA20A 73 Units in Rail
LM25576MHX Exposed Pad TSSOP-20 MXA20A 2500 Units on Tape and Reel

 

 

 

 

Stock Offer (Hot Sell)

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LM358AMX 21853 FSC 16+ SOP-8
LM358APWR 16686 TI 13+ TSSOP-8
LM358DR 57000 TI 16+ SOP-8
LM358DR2G 25000 ON 16+ SOP-8
LM358MX 10438 FSC 08+ SOP-8
LM358S-13 73000 DIODES 11+ SOP-8
LM35DMX 7069 NS 13+ SOP-8
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LM385D-2.5 16757 ON 15+ SOP-8
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LM4040AIM3-3.0 8166 MAXIM 16+ SOT-23
LM4040BIM3-3.0 21924 TI 13+ SOT23-3
LM4040C20IDBZR 4600 TI 15+ SOT23-5
LM4040DIM3X-2.5 16828 TI 16+ SOT23-3
LM4040DYM3-2.5 21995 MICREL 15+ SOT23-3
LM4050BIM3X-2.5 9293 TI 13+ SOT23-3
LM431ACM3X 12971 NS 16+ SOT-23
LM4670SD 9264 NS 06+ QFN
LM4853MM 12686 TI 14+ MSOP

Contact Details
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Contact Person: Miss. Sharon Yang

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Fax: 86-755-613169859

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