SEARCH
— IC芯片 | 连接器 | 传感器 | 被动器件 —
RTQ2540HN-TA is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Richtek USA Inc.. Its product description is IC LDO LOW NOISE ADJ 4A WQFN-12. Review the specifications below when checking this part for your BOM.
The RTQ2540HN-TA is a single-output adjustable low-dropout linear regulator manufactured by Richtek. It supports an input voltage range from 1.1 V to 6.5 V and delivers up to 4 A of output current. The device provides an adjustable output voltage between 800 mV and 5.5 V with a typical power supply rejection ratio of 42 dB. Key electrical parameters include a maximum dropout voltage of 145 mV, line regulation of 0.05 %/V, and load regulation of 0.08 %/A. It operates within a junction temperature range of -40 °C to +125 °C and is housed in a WQFN-12 package.
Verify the specific suffix TA against the manufacturer's official datasheet to confirm packaging and tape-and-reel specifications. Ensure compatibility with RoHS directives and moisture sensitivity levels required by your assembly process. Cross-reference the part number with authorized distributors to confirm availability and authenticity before procurement.
Select this component when a high-current LDO with ultra-low noise characteristics is required. The wide input voltage range and adjustable output make it versatile for various battery-operated applications. Consider thermal management due to the 4 A output capability and ensure the PCB layout supports the WQFN-12 package for optimal heat dissipation.
This device belongs to Richtek's portfolio of low-dropout regulators designed for portable electronics. It complements other power management solutions by providing clean, stable power for noise-sensitive components. The product line focuses on miniaturization and efficiency, addressing the demands of modern handheld and wearable technologies.
Check for direct pin-to-pin replacements within the same family, such as variants with different output currents or fixed voltages. Verify that any substitute maintains the required 4 A current rating and ultra-low noise specifications. Ensure the replacement package matches the WQFN-12 footprint to avoid PCB redesign.
Explore related parts through Power Management (PMIC), Integrated Circuits (ICs), all product categories, ChipApex homepage.