FAN2558S18X

$1.31

Description：IC REG LINEAR 1.8V 180MA SOT23-5
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:1aa05633b44b Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: onsemi

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Product introduction

FAN2558S18X is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists onsemi. Its product description is IC REG LINEAR 1.8V 180MA SOT23-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for FAN2558S18X

Description：IC REG LINEAR 1.8V 180MA SOT23-5
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：1.8V
Voltage - Output (Max)：-
Voltage Dropout (Max)：-
Current - Output：180mA
Current - Quiescent (Iq)：150 µA
Current - Supply (Max)：-
PSRR：50dB (100kHz)
Control Features：Enable, Power Good
Protection Features：Over Current, Over Temperature
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：SC-74A, SOT-753
Supplier Device Package：SOT-23-5
Grade：-
Qualification：-

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for FAN2558S18X

FAN2558S18X

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

The FAN2558S18X is a fixed-output low voltage CMOS linear regulator (LDO) manufactured by onsemi. It provides a stable 1.8V output with a maximum load current of 180mA. The device operates within an input voltage range of 2.7V to 5.5V and features a typical dropout voltage of 0.25V at full load. It incorporates thermal shutdown and short-circuit protection, ensuring reliable operation in portable electronic applications.

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

Fixed 1.8V output voltage with 1% accuracy
Ultra-low noise operation via external bypass capacitor
Power good indicator with open-drain output
TTL-level compatible enable input for fast switching

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

Processor power-up sequencing
PCMCIA Vcc and Vpp regulation
Portable electronic equipment
Cell phones and PDAs

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

Verify the specific suffix 'S18X' to confirm the fixed 1.8V output variant and SOT-23-5 package. Confirm RoHS compliance status as manufacturing processes may evolve. Check for obsolescence notices from onsemi or Fairchild Semiconductor prior to finalizing design-in decisions.

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

Select this component when a precise 1.8V rail is required for low-power digital logic. The 180mA current capability suits moderate load scenarios. Ensure the application benefits from the delayed power good signal and that the input voltage remains within the specified 2.7V to 5.5V window for optimal line regulation.

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

This part belongs to the FAN2558/9 family of low voltage CMOS LDOs. The family offers various fixed voltage options and adjustable variants. It is designed for battery-powered devices requiring high ripple rejection and low quiescent current. The SOT-23-5 package allows for compact PCB layouts in space-constrained mobile designs.

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

Direct substitutes include other FAN2558 series variants with different fixed voltages (e.g., FAN2558S33X for 3.3V) if voltage levels differ. Cross-reference with onsemi's current portfolio for pin-compatible replacements if the original Fairchild part is obsolete.

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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.