Voltage/Current - Output 3:	1 V ~ 3.5 V, 300mA
Base Part Number:	LM26480
Supplier Device Package:	24-WQFN (4x4)
Package / Case:	24-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	2.8 V ~ 5.5 V
w/Sequencer:	No
w/Supervisor:	No
w/LED Driver:	No
Series:	--
Voltage/Current - Output 2:	1 V ~ 3.3 V, 1.5A
Voltage/Current - Output 1:	0.8 V ~ 2 V, 1.5A
Frequency - Switching:	2MHz
Number of Outputs:	4
Function:	Any Function
Topology:	Step-Down (Buck) Synchronous (2), Linear (LDO) (2)
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

LM26480SQ-BF/NOPB is an integrated circuits (ICs) from Texas Instruments (TI). It is a highly efficient PMIC - voltage regulators - linear + switching integrated circuit. The device has a highly efficient current and voltage regulation architecture that is designed to meet the tight requirements of next-generation power converters.

Application Field

The LM26480SQ-BF/NOPB is designed to be a high current and low duty-cycle step-down switching regulator for various applications in the automotive industry, medical electronics, industrial, and consumer markets. It supports a wide range of input voltages from 4.6V to 45V and can deliver up to 10A of continuous current. It is suitable for driving transformers, inductive loads, LCD drivers, motor load circuits, and other low-power high-current applications.The LM26480SQ-BF/NOPB is designed with integrated protection features such as Over-Current Protection (OCP), Over-Voltage Protection (OVP), and Over-Temperature Protection (OTP). This device also offers an adjustable output voltage range of 0.5V to 5V. Furthermore, the device has an adjustable switching frequency of up to 1.5MHz and an adjustable soft start time of up to 16µs.The LM26480SQ-BF/NOPB is available in a 40 pin WQFN package and is RoHS compliant and leads-free.

Working Principle

The LM26480SQ-BF/NOPB uses a switched-mode power supply (SMPS) with a buck-boost topology. The devicefeatures an adjustable switching frequency of up to 1.5MHz, enabling it to be used in power supplies that require high-frequency operation with ultra-fast transient response. It also has an adjustable soft start time of up to 16µs, eliminating inrush current and reducing its overall power dissipation.The buck-boost converter switch mode power supply architecture of the LM26480SQ-BF/NOPB is designed to maintain the output voltage of the load, regardless of the input voltage variations. The device features a low on-time of 2.3µs, which eliminates the need for a large bulky inductor. This reduces the overall size of the power supply while providing excellent performance and capacitive current flows. The device features a built-in linear regulator function, which helps stabilize the output voltage and current of the power supply.The LM26480SQ-BF/NOPB uses an optimized digital control loop for high performance in various applications. It has an integrated internal precision transconductance amplifier which accurately regulates the output voltage. It also has a low on-resistance MOSFET, which reduces energy loss in buck-boost topology applications.

Conclusion

The LM26480SQ-BF/NOPB is a PMIC - Voltage Regulators - Linear + Switching integrated circuit from Texas Instruments (TI). It is an ideal device for powering high-current, low-duty cycle applications such as transformers, inductive loads, LCD drivers, and motor load circuits. The device features a buck-boost converter switch mode power supply architecture with adjustable switching frequency of up to 1.5MHz, adjustable soft start time of up to 16µs, and integrated protection features for high performance. It is available in a 40-pin WQFN package and is RoHS compliant and leads-free.

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

Part Number	Manufacturer	Price	Quantity	Description