The FAN53555UC24X is a step-down switching voltage regulator designed to provide a digitally programmable output voltage from an input range of 2.5 V to 5.5 V. It supports a continuous output current of 4 A and can handle pulse currents up to 6.5 A. The output voltage can be programmed via an I2C interface, with options ranging from 0.603 V to 1.42 V in specific step increments. The regulator operates at a fixed frequency of 2.4 MHz, which allows for reduced external component sizes, requiring only a 330 nH inductor and as low as a 20 µF output capacitor. In light load conditions, it utilizes Pulse Frequency Modulation (PFM) to enhance efficiency, achieving a typical quiescent current of 60 µA. The device features internal soft-start, input under-voltage lockout, thermal shutdown, and overload protection, ensuring reliable operation. The FAN53555UC24X is packaged in a compact 20-bump WLCSP, making it suitable for space-constrained applications such as mobile devices and portable electronics.
Buck Switching Regulator IC Positive Programmable 0.603V 1 Output 4A 20-UFBGA, WLCSP
5A DC/DC Controller, 2.4MHz, 5.5V In, 1.42V Out, SM Product overview: FAN53555UC24X from onsemi is a Voltage Regulator IC for stable power rails, DC-DC conversion, battery-powered electronics, automotive modules, and embedded power management. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 5A, 2.4MHz, 5.5V. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 5A, 2.4MHz, 5.5V, Voltage Regulator IC, DC Switching Voltage Regulators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 739-FAN53555UC24X can be used for catalog matching and distributor lookup.
Buck Switching Regulator IC Positive Programmable 0.603V 1 Output 4A 20-UFBGA, WLCSP
Buck Switching Regulator IC Positive Programmable 0.603V 1 Output 4A 20-UFBGA, WLCSP
IC REG BUCK PROG 4A 20WLCSP
IC REG BUCK PROG 4A 20WLCSP
| DigiKey | ERSAELECTRONICS PTE. LTD. | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | |
|---|---|---|---|---|---|
| Product Category | IC Switching Voltage Regulators | IC Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators |
| Product Number | FAN53555UC24XTR-ND | 739-FAN53555UC24X | FAN53555UC24X | FAN53555UC24X | FAN53555UC24X |
| Product Name | Voltage Regulators - DC DC Switching Regulators | 5A 2.4MHz 5.5V Voltage Regulator IC | Voltage Regulators - DC DC Switching Regulators | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
| Configuration / Function | Buck | ||||
| Output Voltage Type | Adjustable / Variable | Fixed; Adjustable / Variable | Fixed; Programmable | ||
| Package Type | Other; 20-UFBGA, WLCSP | Other; 20-UFBGA, WLCSP | |||
| Special Features | Synchronous Rectification | ||||
| Output Voltage | 0.6030 to 1.42 volts | 3 volts | 0.6030 to 1.42 volts | 0.6030 volts |
