The FAN53555BUC05X is a step-down switching voltage regulator designed to deliver a digitally programmable output voltage from an input range of 2.5 V to 5.5 V. It supports a continuous output current of 5 A and can handle pulse currents up to 6.5 A. The output voltage can be programmed via an I¬=C interface, with options ranging from 0.6 V to 1.23 V in 10 mV steps, and other configurations available for different voltage ranges. Operating at a fixed frequency of 2.4 MHz, the regulator is optimized for efficiency, maintaining over 80% efficiency even at low load currents of 10 mA. It features a programmable slew rate for voltage transitions, a quiescent current of 60 ¬µA in Power-Save Mode, and includes protections such as input under-voltage lockout, thermal shutdown, and overload protection. The device is packaged in a compact 20-bump wafer-level chip scale package (WLCSP), making it suitable for applications in portable devices like tablets, smartphones, and gaming devices.
Manufacturer: Fairchild/ON Semiconductor
Win Source Part Number: 745732-FAN53555BUC05
Manufacturer Homepage: www.fairchildsemi.co
Reference case: DFN
Reference Date Code: 15+
Popularity: Medium
Fake Threat In the Open Market: 53 pct.
Supply and Demand Status: Balance
Switching Voltage Regulators 5A, 2.4MHZ DIGTLY PRGRMMABLE REGULATOR Product overview: FAN53555BUC05X from Fairchild (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. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 5A, 2.4MHZ, 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-FAN53555BUC05X can be used for catalog matching and distributor lookup.
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| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | ODG (Origin Data Global) | |
|---|---|---|---|---|---|---|---|
| Product Category | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators |
| Product Number | 745732-FAN53555BUC05X | 739-FAN53555BUC05X | FAN53555BUC05XTR-ND | FAN53555BUC05X | FAN53555BUC05X | FAN53555BUC05X | FAN53555BUC05X |
| Product Name | PMIC - PMIC - Voltage Regulators - DCDC Switching Regulators - FAN53555BUC05X | 5A 2.4MHZ Voltage Regulator IC | Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators | Voltage Regulators - DC DC Switching Regulators | Voltage Regulators - DC DC Switching Regulators |
| Package Type | Other; Reel | Other; 20-UFBGA, WLCSP | Other; 20-UFBGA, WLCSP | Other; 20-UFBGA, WLCSP | |||
| Output Voltage | 0.6000 to 1.23 volts | 0.6000 to 1.23 volts | 0.6000 volts | 0.6000 to 1.23 volts | 0.6000 volts | ||
| IOUT | 5 amps | 5 amps | 5 amps | 5 amps | 5 amps | 5 amps | |
| VIN | 5.5 volts | 2.5 to 5.5 volts | 2.5 to 5.5 volts | 5.5 volts | |||
| fsw | 2400 kHz | 2400 kHz | 2400 kHz | 2400 kHz | 2400 kHz | 2400 kHz |
