Converters | FAN53741
概览
The FAN53741 is a 2.5 MHz step-down switching voltage regulator that delivers a fixed output from an input voltage supply of 2.3 V to 5.5 V. Using a proprietary architecture with synchronous rectification, the FAN53741 is capable of delivering a peak efficiency of 97% and can support a max load of 1300 mA. The regulator provides a fixed output voltage ranging from 0.6V to 3.3V, and can be programmed in 25mV steps via I2C. The regulator operates at a nominal fixed frequency of 2.5 MHz, which reduces the value of the external components achieving a total solution size of 5.24 mm2. At moderate and light load, Pulse Frequency Modulation (PFM) is used to operate the device with a low quiescent current of 60 µA. Even with such a low quiescent current, the part exhibits excellent transient response during load swings. At higher loads, the system automatically switches to fixed-frequency control, operating at 2.5 MHz. In Shutdown Mode, the supply current drops below 0.5 µA, reducing power consumption. The FAN53741 is available in 6-bump, 0.4 mm pitch, Wafer-Level Chip-Scale Package (WLCSP).
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- 60 μA Typical Quiescent Current
- 5.24 mm2 Total Solution Size
- 1300 mA Output Current Capability
- Programmable Output Voltage 0.6 V to 3.3 V in 25 mV steps via I2C Functionality
- Programmable Current Limit 530 mA to 2150 mA in 108 mA steps via I2C Functionality
- 2.3 V to 5.5 V Input Voltage Range
- 2.5 MHz Fixed-Frequency Operation
- Best-in-Class Load Transient Response
- Internal Soft-Start Limits Battery Current Below 150 mA to avoid Brown-out Scenarios
- Protection Faults (UVLO, OCP and TSP)
- Thermal Shutdown and Overload Protection
- 6-Bump WLCSP, 0.4 mm Pitch
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Pb
A
H
P
WLCSP-6
1
260
REEL
3000
N
Step-Down
Voltage Mode
2.3
5.5
Adjustable
1.3
97
2500
$0.4025
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