FAN5355 Overview
The FAN5355 device is a high-frequency, ultra-fast transient response, synchronous step-down DC-DC converter optimized for low-power applications using small, low-cost inductors and capacitors. The FAN5355 supports up to 800 mA, 1 A, or 1.1 A load current. The device is ideal for mobile phones and similar portable applications powered by a single-cell Lithium-Ion battery.
FAN5355 Key Features
- 93% Efficiency at 3 MHz
- 800 mA, 1 A, or 1.1 A Output Current
- I2C™-patible Interface up to 3.4 Mbps
- 6-bit VOUT Programmable from 0.75 V to 1.975 V
- 2.7 V to 5.5 V Input Voltage Range
- 3 MHz Fixed-Frequency Operation
- Excellent Load and Line Transient Response
- Small Size, 1 μH Inductor Solution
- ±2% PWM DC Voltage Accuracy
- 35 ns Minimum On-Time
