FAN53745 Series

Buck Regulator, Synchronous, 3.33 MHz, 1 A

Catalog

Buck Regulator, Synchronous, 3.33 MHz, 1 A

Part	Voltage - Input (Min) [Min]	Number of Outputs	Output Type	Voltage - Output (Min/Fixed)	Frequency - Switching	Function	Synchronous Rectifier	Package / Case	Current - Output	Topology	Output Configuration	Voltage - Input (Max) [Max]	Supplier Device Package	Operating Temperature [Max]	Operating Temperature [Min]	Mounting Type	Voltage - Output (Max) [Max]
ON Semiconductor FAN53745UC00X	2.3 V	1	Programmable	1.5 V	3.33 MHz	Step-Down		6-UFBGA WLCSP	1 A	Buck	Positive	5.5 V	6-WLCSP (1.38x0.94)	85 C	-25 °C	Surface Mount	3.3 V

Buck Regulator, Synchronous, 3.33 MHz, 1 A

• Current Mode Architecture

• Wide Input Voltage Range: 2.3 V to 5.5 V

• 1 A Load Capability

• PFM / PWM Modes for High Efficiency

• I2C−compatible Interface

• Programmable Output Voltage: 1.5 V to 3.3 V

• Programmable Current Limit: 440 mA to 2090 mA

• Internal Soft−Start

• Protection Faults (OT, Input UVLO, Output Short and Reverse Current)

• Automatic Pass−Through Operation

• 6−bump, 0.4 mm pitch, Wafer−LevelChip−Scale Package (WLCSP)

• Pb−Free and RoHS Compliant

The FAN53745 is a low quiescent current, high efficiency step−down DC/DC converter