FAN2558S12X

$0.73

Description：IC REG LINEAR 1.2V 180MA SOT23-5
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:3e88134a8c15 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: onsemi

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Product introduction

FAN2558S12X 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 1.2V 180MA SOT23-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for FAN2558S12X

Description：IC REG LINEAR 1.2V 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)：1.2V
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 FAN2558S12X

FAN2558S12X

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

The FAN2558S12X is a discontinued fixed-output low dropout linear regulator manufactured by onsemi. It provides a stable 1.2V 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 ground current of 100µA. It incorporates power good indication, thermal shutdown, and current limit protection. The component is housed in a 5-lead SOT-23 package and supports operation across a temperature range of -40°C to +85°C.

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

Fixed 1.2V output voltage with 1% accuracy
Integrated power good indicator with open-drain output
Built-in thermal shutdown and current limit protection
TTL-level compatible enable pin for fast shutdown

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

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

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

This component is officially discontinued and not recommended for new designs. Verify availability through authorized distributors or contact onsemi representatives for potential replacement options. Ensure strict adherence to the original datasheet specifications if used in existing legacy systems, as performance may vary based on application conditions.

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

Select this part only for legacy system maintenance where the specific 1.2V fixed output and 180mA current capability are required. Consider the discontinuation status when planning long-term supply chains. Evaluate alternative LDOs from the same family or competitors that offer similar electrical characteristics and package compatibility for new implementations.

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

The FAN2558 series belongs to onsemi's lineup of low voltage CMOS LDO regulators designed for compact battery-powered systems. These devices utilize BiCMOS technology to achieve high ripple rejection and low noise. The FAN2558 variant specifically offers fixed output voltages with a power good flag, distinguishing it from adjustable or low-noise variants within the broader product family.