LTC3300IUK-2#PBF

Series:	--
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Function:	Battery Balancer
Battery Chemistry:	Multi-Chemistry
Number of Cells:	1 ~ 12
Fault Protection:	--
Interface:	Serial
Operating Temperature:	-40°C ~ 125°C (TJ)
Package / Case:	48-WFQFN Exposed Pad
Supplier Device Package:	48-QFN (7x7)
Base Part Number:	LTC3300

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LTC3300IUK-2#PBF Overview

The LTC3300IUK-2#PBF is an integrated Low-Dropout (LDO) linear regulator with state-of-the-art features optimized for low-power, low-profile, and highly efficient battery-management applications for mobile, stationary and industrial applications. The IC is capable of providing up to 500mA of output current from a single-cell Li-ion battery. It is housed in a leadless 2x2x0.8mm DFN-10 package and is designed to work with the other LTC battery management ICs to provide a complete solution for battery-management applications. Its integrated features include a high performance LDO, power saving automatic power-down mode, reverse current protection and wide input voltage range.

LTC3300IUK-2#PBF Application Field

The LTC3300IUK-2#PBF is specially designed for low-power applications such as portable electronics, wearable devices, consumer electronics, medical devices and industrial machinery. It can provide a stable and low-noise power supply for a variety of end products. The wide input voltage range of the device makes it suitable for battery-management applications that require high efficiency and stable performance even in cases of large battery charge-discharge cycling.The integrated reverse-current protection circuit prevents batteries from discharging through the regulator, preventing possible damages caused by incorrect power supply applications. The LDO also features a very low start-up current, so it is suitable for cold start applications as well.

Working Principle of the LTC3300IUK-2#PBF

The basic working principle of the LTC3300IUK-2#PBF is similar to other LDOs. The device is equipped with an internal voltage reference and an error amplifier that is used to control the output voltage based on the feedback voltage. The input voltage is then compared to the reference voltage and, if the difference between the two exceeds a certain threshold, the error amplifier adjusts the output voltage accordingly.When the input voltage falls below the target voltage, the error amplifier reduces the output voltage, helping to maintain the stable output voltage that is required for the application. When the input voltage rises above the target voltage, the error amplifier increases the output voltage. The device is equipped with a soft-start feature that prevents the output voltage from rising above the sensing input and collapsing the device.The LTC3300IUK-2#PBF is also equipped with a power-saving automatic power-down mode to conserve power when the load current is below a certain threshold. This power-saving mode is activated when the load current falls below 2mA and the output voltage is below 2V. The device then enters a low-power sleep mode, reducing power consumption and preserving battery life.

Conclusion

The LTC3300IUK-2#PBF provides a highly efficient solution for battery-management applications, thanks to its integrated features and optimized for low-power performance. Its wide input voltage range, power-saving mode, reverse current protection and low start-up current make it an ideal choice for a variety of applications including portable electronics, wearable devices, consumer electronics, medical devices and industrial machinery. With its small size, high efficiency and low cost, it is suitable for a wide range of battery-management applications.

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