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FAN48618BUC53X The On Semiconductor FAN48618BUC53X is a synchronous boost regulator designed for low-power battery-powered applications. It provides a fixed 5.25V output at 1.2A from an input voltage range of 2.7V to 4.8V.
Mfr Part #:

FAN48618BUC53X

Available from 5 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor FAN48618BUC53X is a synchronous boost regulator designed for low-power battery-powered applications. It provides a fixed 5.25V output at 1.2A from an input voltage range of 2.7V to 4.8V.
✓ Total Stock: 48,939 pcs
$ Price Range: $0.16

FAN48618BUC53X Available from 5 distributors

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FAN48618BUC53X Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
SVHC Present
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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FAN48618BUC53X Description

Short technical summary and product information.

The FAN48618BUC53X from On Semiconductor is a low-power, synchronous boost regulator. It is designed to provide a regulated 5.25V output rail from a single Li-Ion battery or other advanced battery chemistries, maintaining output voltage regulation even when the battery voltage drops below the minimum system requirement.

 

Key electrical specifications include an input voltage range of 2.7V to 4.8V and a fixed output voltage of 5.25V. The device can deliver up to 1.2A of output current and operates at a switching frequency of 2.5MHz. It features internal synchronous rectification for improved efficiency and true load disconnect functionality.

 

This regulator is housed in a compact 9-bump, 0.4mm pitch Wafer-Level Chip-Scale Package (WLCSP), measuring 1.215 mm x 1.215 mm. It is suitable for surface mounting and is designed for battery-powered applications such as Class-D audio amplifiers, USB OTG supplies, smartphones, tablets, and wearables.

 

External component requirements are minimal, typically including one inductor, one input capacitor, and one output capacitor, simplifying board design and reducing component count.

FAN48618BUC53X Quick Information

Product Type: DC-DC Switching Regulator
Series: TinyBoost
Canonical Name: FAN48618BUC53X
Subcategory: DC-DC Switching Regulator

FAN48618BUC53X Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

FAN48618BUC53X Estimated Pricing

Qty Low High
1+ $0.16 $0.16

Estimated market price range - modelled values for guidance only, not live distributor offers.

FAN48618BUC53X Features

  • Synchronous boost regulator for efficiency.
  • Fixed 5.25V output voltage.
  • 1.2A maximum output current.
  • 2.7V to 4.8V input voltage range.
  • Compact 9-WLCSP package.

FAN48618BUC53X Applications

  • Boost for low-voltage Li-Ion batteries.
  • Class-D audio amplifier supply.
  • USB OTG power supply.
  • Smartphones and tablets.
  • Portable devices and wearables.

FAN48618BUC53X FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the FAN48618BUC53X?

The input voltage range is 2.7V to 4.8V.

What is the output voltage of the FAN48618BUC53X?

The fixed output voltage is 5.25V.

What is the maximum output current?

1.2A.

What is the switching frequency?

2.5 MHz.

What is the operating temperature range?

-40°C to 85°C.

What package is the FAN48618BUC53X available in?

It is available in a 9-WLCSP (1.22x1.22 mm) package, also listed as 9-UFBGA, WLCSP.

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