LM2670SX-ADJ Allicdata Electronics

LM2670SX-ADJ Integrated Circuits (ICs)

Allicdata Part #:

LM2670SX-ADJTR-ND

Manufacturer Part#:

LM2670SX-ADJ

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC REG BUCK ADJ 3A TO263-7
More Detail: Buck Switching Regulator IC Positive Adjustable 1....
DataSheet: LM2670SX-ADJ datasheetLM2670SX-ADJ Datasheet/PDF
Quantity: 1000
Stock 1000Can Ship Immediately
Specifications
Voltage - Output (Min/Fixed): 1.2V
Base Part Number: LM2670
Supplier Device Package: DDPAK/TO-263-7
Package / Case: TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 125°C (TJ)
Synchronous Rectifier: No
Frequency - Switching: 260kHz
Current - Output: 3A
Voltage - Output (Max): 37V
Series: SIMPLE SWITCHER®
Voltage - Input (Max): 40V
Voltage - Input (Min): 8V
Number of Outputs: 1
Output Type: Adjustable
Topology: Buck
Output Configuration: Positive
Function: Step-Down
Part Status: Obsolete
Packaging: Tape & Reel (TR) 
Description

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The LM2670SX-ADJ series of DC/DC switching regulators from Texas Instruments are designed for use in low power or granular main power supply rails. These switching regulators provide a single high-current output up to 1.5A and a wide, adjustable output voltage range of 1.23V to 5.5V, with a maximum duty cycle of approximately 8%. The regulators are based on integrated magnetics technology and have a low external component count and optimized power resistor ratios to reduce external component cost. The device also offers integrated protection features such as short circuit and short-circuit limiting, as well as thermal shutdown. In addition, the integrated drivers are capable of in-system programming requiring minimal external component count.

LM2670SX-ADJ industry application incorporation mainly as follows: 1.Designed for cellular phones, digital still cameras and handheld digital audio players; 2.Designed for PDAs and wireless networking systems; 3.Powering various low-voltage logic circuits, such as LCD displays, microprocessors and ASICs.

The LM2670SX-ADJ regulator includes an integrated power switch, a rectifier, an adjustable-switching oscillator and a control circuit. The power switch controls the switching cycles of the entire device, with the power based on the oscillator’s switching frequency and the duty ratio. The switching frequency can be programmed through external components, enabling the overall power dissipation to be balanced for different load conditions.

The LM2670SX-ADJ voltage regulator offers a low start-up current and a low current requirement during operation. In shutdown state, the regulator has a low power dissipation, and the 225mV start-up voltage voltage guarantees stable operation for low supply voltage applications. The device also provides a wide range of output voltage control, which can be programmed with an external resistor network.

The LM2670SX-ADJ regulator features a shutdown feature that can be used to reset the power supply system. In this state, the regulator disconnects the output voltage source, minimizing possible system damage when the device is restored to operation.

The LM2670SX-ADJ regulator has an integrated protection circuit to protect the device from severe fault conditions, including overvoltage and overcurrent conditions. The circuit sends out fault flags when the output voltage or current exceeds the programmed threshold.

The LM2670SX-ADJ series of switching regulators from Texas Instruments is ideal for low power main power supply rails, offering a wide output voltage range, a low start-up current and an integrated protection feature. With an adjustable switching frequency and an integrated power switch, the series provides efficient and accurate power conversion, making it suitable for powering portable devices.

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

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