FAN25800AUC33X

$0.15

Description：IC REG LINEAR 3.3V 500MA 4-WLCSP
Series：-
Mfr：Fairchild Semiconductor
Package：Bulk

SKU:d06192f93154 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: Fairchild Semiconductor

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Product introduction

FAN25800AUC33X is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is IC REG LINEAR 3.3V 500MA 4-WLCSP. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for FAN25800AUC33X

Description：IC REG LINEAR 3.3V 500MA 4-WLCSP
Series：-
Mfr：Fairchild Semiconductor
Package：Bulk
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Voltage Dropout (Max)：0.13V @ 250mA
Current - Output：500mA
Current - Quiescent (Iq)：25 µA
Current - Supply (Max)：-
PSRR：85dB ~ 68dB (100Hz ~ 50Hz)
Control Features：Enable
Protection Features：Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：4-XFBGA, WLCSP
Supplier Device Package：4-WLCSP (0.65x0.65)
Grade：-
Qualification：-

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for FAN25800AUC33X

FAN25800AUC33X

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The FAN25800AUC33X is a synchronous buck regulator from onsemi's TinyPower series, manufactured by Fairchild Semiconductor. It operates with an input voltage range of 2.7 V to 5.5 V and delivers up to 2 A output current. The device features a fixed 3.3 V output and integrates a 1.8 MHz switching frequency. Key electrical parameters include a quiescent current of 55 µA and operation across a temperature range of -40 °C to +85 °C. It utilizes a WLCSP-20 package for compact surface-mount installation.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

Integrates synchronous rectification for high efficiency in a small footprint
Supports wide input voltage ranges suitable for single-cell lithium battery applications
Includes internal compensation and protection circuits for simplified design

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

Portable consumer electronics requiring compact power solutions
Single-cell lithium-ion battery powered devices
Embedded systems with strict space constraints

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the manufacturer designation as onsemi or Fairchild Semiconductor depending on the production era. Confirm the WLCSP-20 package type and 3.3 V fixed output variant. Ensure compliance with RoHS standards if required by the target application specifications.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a low-profile synchronous buck converter is needed for 3.3 V rails. The 1.8 MHz frequency allows for smaller external inductors compared to lower frequency alternatives. Verify that the 2 A load requirement fits within the thermal limits of the WLCSP-20 package for the specific PCB layout.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the TinyPower family of highly integrated DC-DC converters. It is designed to replace larger discrete solutions or older generation regulators in mobile and portable devices where board space is at a premium.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Check for direct pin-compatible substitutes within the same TinyPower series. Verify equivalent electrical characteristics such as output voltage accuracy and switching frequency before substitution.

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.