FAN49103 Series

Buck-Boost Regulator, 2.5 A, 1.8 MHz, TinyPower™ I2C

Catalog

Buck-Boost Regulator, 2.5 A, 1.8 MHz, TinyPower™ I2C

Part	Output Type	Function	Voltage - Output (Max) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Current - Output	Package / Case	Voltage - Input (Max) [Max]	Supplier Device Package	Supplier Device Package [y]	Supplier Device Package [x]	Synchronous Rectifier	Mounting Type	Voltage - Input (Min) [Min]	Topology	Frequency - Switching	Voltage - Output (Min/Fixed)	Number of Outputs	Output Configuration	Voltage - Output (Min/Fixed)
ON Semiconductor FAN49103AUC330X	Programmable (Fixed)	Step-Up/Step-Down	4 V	85 °C	-40 °C	2.5 A	20-UFBGA WLCSP	5.5 V	20-WLCSP	2.02 mm	1.62 mm		Surface Mount	2.5 V	Buck-Boost	1.8 MHz	2.8 V 3.3 V	1	Positive
ON Semiconductor FAN49103AUC340X	Programmable (Fixed)	Step-Up/Step-Down	4 V	85 °C	-40 °C	2.5 A	20-UFBGA WLCSP	5.5 V	20-WLCSP (1.96x1.56)				Surface Mount	2.5 V	Buck-Boost	1.8 MHz	2.8 V	1	Positive	3.4 V

Buck-Boost Regulator, 2.5 A, 1.8 MHz, TinyPower™ I2C

• 24 µA Typical PFM Quiescent Current

• Above 95% Efficeincy

• Total Layout Area = 11.61 mm2

• Input Voltage Range: 2.5 V to 5.5 V

• Maximum Continuous Load Current- 3.0 A at Vout = 3.4 V, Vin = 3.3 V- 2.5 A at Vout = 3.4 V, Vin = 3.0 V- 2.0 A at Vout = 3.4 V, Vin = 2.5 V

• I2C Compatible Interface

• Programmable Output Voltage:- 2.5 V to 2.8 V in 50 mV Steps- 2.8 V to 4.0 V in 25 mV Steps

• 1.8 MHz Fixed-Frequency Operation in PWM Mode

• Automatic / Seamless Step-up and Step-down Mode Transitions

• Forced PWM and Automatic PFM/PWM Mode Selection

• 0.5 µA Typical Shutdown Current

• Low Quiescent Current Pass-Through Mode

• Internal Soft-Start and Output Discharge

• Low Ripple and Excellent Transient Response

• Internally Set, Automatic Safety Protections(UVLO, OTP, SCP, OCP)