LM2657MTCX/NOPB Allicdata Electronics
Allicdata Part #:

LM2657MTCX/NOPB-ND

Manufacturer Part#:

LM2657MTCX/NOPB

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC REG CTRLR BUCK 28TSSOP
More Detail: Buck Regulator Positive Output Step-Down DC-DC Co...
DataSheet: LM2657MTCX/NOPB datasheetLM2657MTCX/NOPB Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Frequency - Switching: 200kHz ~ 500kHz
Base Part Number: LM2657
Supplier Device Package: 28-TSSOP
Package / Case: 28-TSSOP (0.173", 4.40mm Width)
Operating Temperature: -40°C ~ 125°C (TJ)
Control Features: Current Limit, Enable, Frequency Control, Power Good, Soft Start
Serial Interfaces: --
Clock Sync: No
Synchronous Rectifier: Yes
Duty Cycle (Max): 70%
Series: --
Voltage - Supply (Vcc/Vdd): 4.5 V ~ 28 V
Output Phases: 2
Number of Outputs: 2
Topology: Buck
Output Configuration: Positive
Function: Step-Down
Output Type: Transistor Driver
Part Status: Obsolete
Packaging: Tape & Reel (TR) 
Description

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LM2657MTCX/NOPB is a member of the Texas Instruments family of Power Management Integrated Circuits (PMICs). It is categorized as a power management integrated circuit (PMIC). Specifically, it falls under the category of voltage regulators, and more specifically DC-DC switching controllers. It is designed to provide efficient and effective voltage regulation for a variety of applications, including but not limited to, communications and computing systems.

The way in which LM2657MTCX/NOPB works is also advantageous in that it offers superior power efficiency, cost savings, and reliable operation. At the heart of its function is a buck-boost switch mode power supply (also known as a STEP-UP/STEP-DOWN converter) which produces the desired output voltage irrespective of the input voltage. In layman\'s terms, this PMIC is capable of adapting to different input voltages and producing the required output power regardless of the input supply. This makes it an ideal solution for applications where an unchanging output voltage is required while the input voltage may vary.

The LM2657MTCX/NOPB controller offers a wide range of features and functions, some of which are not typically found in other PMICs. It provides wide input range operation, frequency synchronization, programmable switching frequency, current limit, voltage mode peak current limit, and soft start current limit. In addition, the LM2657MTCX/NOPB also provides a low jitter pulse-width modulated (PWM) switching as well as a constant frequency/constant-on-time/ variable-frequency/variable-on-time control modes which allows for power savings of up to 15% compared to comparable fixed frequency controllers.

Aside from providing superior operating features and excellent flexibility, LM2657MTCX/NOPB is also very reliable in terms of safety and long term operation. It has the capability to detect abnormal conditions and respond accordingly. For instance, it has an over-temperature protection (OTP) feature wherein it will shut down after reaching a certain temperature limit. It also has an under-voltage protection (UVP) feature that will cause a decrease in the output power if the input voltage drops below a set point. Furthermore, the PMIC provides a comprehensive thermal shutdown feature which ensures protection against thermal overloads.

LM2657MTCX/NOPB is a perfect solution for a variety of applications, such as DC-DC power conversion in computing, communications, and consumer products. Its useful features, flexibility, dependability, and efficiency make it an ideal choice for any voltage regulation purpose. Therefore, it is no surprise that it continues to be one of the most sought after PMICs in the market.

The specific data is subject to PDF, and the above content is for reference

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