Specification	FAN53730UC01X

Current - Output	3 A
Frequency - Switching	2.5 MHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	Programmable
Package / Case	12-XFBGA, WLCSP
Supplier Device Package	12-WLCSP (1.07x1.36)
Synchronous Rectifier	True
Topology	Buck
Voltage - Input (Max) [Max]	5.5 V
Voltage - Input (Min) [Min]	2.3 V
Voltage - Output (Max) [Max]	2 V
Voltage - Output (Min/Fixed)	0.3 V

FAN53730 Series

3.0A, 2.7MHz, Digitally Programmable COT Buck Regulator

Part	Current - Output	Operating Temperature [Max]	Operating Temperature [Min]	Output Type	Voltage - Input (Max) [Max]	Frequency - Switching	Function	Package / Case	Output Configuration	Voltage - Output (Min/Fixed)	Voltage - Input (Min) [Min]	Synchronous Rectifier	Supplier Device Package	Mounting Type	Number of Outputs	Voltage - Output (Max) [Max]	Topology
ON Semiconductor FAN53730UC01X	3 A	85 °C	-40 °C	Programmable	5.5 V	2.5 MHz	Step-Down	12-XFBGA WLCSP	Positive	0.3 V	2.3 V		12-WLCSP (1.07x1.36)	Surface Mount	1	2 V	Buck

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 0.91
		10	$ 0.80
		25	$ 0.75
		100	$ 0.57
		250	$ 0.48
		500	$ 0.46
		1000	$ 0.35
	Digi-Reel®	1	$ 0.91
		10	$ 0.80
		25	$ 0.75
		100	$ 0.57
		250	$ 0.48
		500	$ 0.46
		1000	$ 0.35
	Tape & Reel (TR)	3000	$ 0.33
		6000	$ 0.32
		15000	$ 0.30
		30000	$ 0.30
ON Semiconductor	N/A	1	$ 0.32

Description

General part information

FAN53730 Series

The FAN53730 is a constant on time (COT) buck converter that supports a minimum of 3 A load current. The device’s constant on time topology provides the fastest transient recovery and optimal efficiency vs load due to its variable frequency operation. Two options are available: a fully programmable I2C version, and a logic controlled fixed output voltage version (refer to Ordering Information for voltage options). Both versions provide automatic DCM/CCM mode operation with Forced CCM control.