onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators FAN1581DX

Adjustable Positive LDO Regulator, 1.237V Min, 5.7V Max, 0.6V Dropout, BIPolar, PSSO5

Linear Voltage Regulator IC Positive Adjustable 1 Output 5A TO-252-5

Manufacturer: Fairchild/ON Semiconductor
Win Source Part Number: 066750-FAN1581DX
Packaging: Reel - TR
Mounting: SMD (SMT)
Regulator Topology: Positive Adjustable
Voltage - Dropout (Typical): 0.4V @ 5A
Number of Regulators: 1
Output Type: Adjustable
Output Current: 5A
Output Voltage: 1.25 V to 5.7 V
Categories: Integrated Circuits
Status: Obsolete(EOL)
Temperature Range - Operating: 0°C to 125°C
Case / Package: TO-252-5
Maximum Input Voltage: 7V
Nominal Output Voltage (Min/Fixed): 1.25V
Dropout Voltage-Max: 1.18V @ 5A
Operating Supply Current: 6mA
PSRR: 80dB (120Hz)
Control Protection Features: Over Current, Over Temperature
Maximum Output Voltage: 5.7V
Popularity: Medium
Fake Threat In the Open Market: 56 pct.
Supply and Demand Status: Limited

IC REG LINEAR POS ADJ 5A TO252-5 Product overview: FAN1581DX from Fairchild (onsemi) is a Voltage Regulator IC for stable power rails, DC-DC conversion, battery-powered electronics, automotive modules, and embedded power management. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 5A, TO252. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 5A, TO252, Voltage Regulator IC, Linear & Switching Voltage Regulators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 776-FAN1581DX can be used for catalog matching and distributor lookup.