FAN5307S18X

$1.12

Description：IC REG BUCK 1.8V 300MA SOT23-5
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:0d3df1838c5a Category: Voltage Regulators - DC DC Switching Regulators Brand: onsemi

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Product introduction

FAN5307S18X is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists onsemi. Its product description is IC REG BUCK 1.8V 300MA SOT23-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for FAN5307S18X

Description：IC REG BUCK 1.8V 300MA SOT23-5
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：2.5V
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：1.8V
Voltage - Output (Max)：-
Current - Output：300mA
Frequency - Switching：1MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：SC-74A, SOT-753
Supplier Device Package：SOT-23-5
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for FAN5307S18X

FAN5307S18X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN5307S18X is a fixed-output synchronous buck switching regulator manufactured by onsemi. It provides a regulated 1.8 V output with a maximum continuous current of 300 mA. The device operates from an input voltage range of 2.5 V to 5.5 V and utilizes a fixed 1 MHz switching frequency. It features integrated synchronous rectification for improved efficiency. The component is housed in a surface-mount SOT-23-5 package and is rated for an operating temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous rectification for enhanced power conversion efficiency
Fixed 1.8 V output configuration eliminating external resistor requirements
Compact SOT-23-5 surface-mount packaging for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

Portable electronic devices requiring low-power regulation
Embedded systems utilizing 1.8 V logic levels
Battery-powered consumer electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the obsolete status of this specific part number before initiating procurement, as manufacturer discontinuation notices may apply. Confirm that the SOT-23-5 package availability aligns with current supply chain constraints. Ensure design-in decisions account for potential lead time extensions or alternative sourcing strategies due to end-of-life conditions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.8 V output is required without external programming resistors. The 300 mA current limit suits low-power applications, while the 1 MHz frequency allows for smaller passive components compared to lower-frequency regulators. Verify that the 2.5 V minimum input voltage meets system battery discharge curves.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the FAN5307 series of synchronous buck converters. It shares the core topology and performance characteristics with other variants in the family, such as adjustable versions or those with different fixed output voltages. The primary distinction lies in its fixed 1.8 V output specification and SOT-23-5 physical footprint.