onsemi FAN2558S36X
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.84 | $1.84 |
| 15+ | $1.11 | $16.65 |
| 25+ | $1.09 | $27.25 |
| 50+ | $1.03 | $51.50 |
| 100+ | $0.91 | $91.00 |
| N+ | $0.18 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | |
| Packaging | Cut Tape (CT) | |
| Output Configuration | Obsolete |
| Output Type | Positive |
| Number of Regulators | Fixed |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 3.6V |
| 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 |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| ROHS |
The FAN2558S36X is a fixed 3.6V low dropout linear regulator from Fairchild Semiconductor, capable of delivering 180mA. It features a low quiescent current of 150µA and excellent high-frequency PSRR of 50dB at 100kHz, making it ideal for noise-sensitive portable and industrial applications. The SOT-23-5 package ensures a minimal footprint, while the low dropout design maintains regulation with minimal input headroom.
- High-Frequency Noise Rejection: 50dB PSRR at 100kHz filters switching noise, ideal for RF and audio circuits.
- Low Quiescent Current: 150µA extends battery life in portable devices.
- Fixed 3.6V Output: Simplifies design with no external components needed.
- Compact SOT-23-5: Saves PCB space for miniaturized products.
Noise-Sensitive RF Circuits
With 50dB PSRR at 100kHz, it effectively suppresses high-frequency switching noise, making it ideal for powering VCOs and PLLs.
Battery-Powered Instruments
The 150µA quiescent current and 180mA output capability balance performance and power consumption for handheld meters.
Automotive Sensor Modules
Stable 3.6V output with low dropout ensures reliable operation of sensors in automotive environments with varying supply voltages.
Portable Audio Players
Clean power delivery at 100kHz helps reduce digital noise in audio DACs, improving sound quality.
Industrial IoT Nodes
Compact SOT-23-5 package and low power draw make it suitable for space-limited wireless sensor nodes.
- Q: What is the output voltage of the FAN2558S36X?
- A: It provides a fixed output voltage of 3.6V.
- Q: What is the maximum output current?
- A: The regulator can supply up to 180mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please check the datasheet.
- Q: What is the quiescent current?
- A: The quiescent current is a low 150µA, suitable for battery-operated devices.
- Q: What is the PSRR at high frequency?
- A: It offers 50dB PSRR at 100kHz, good for filtering high-frequency noise.
- Q: What package is used?
- A: It comes in a SOT-23-5 package.
- Q: What is the output voltage of the FAN2558S36X?
- A: It provides a fixed output voltage of 3.6V.
- Q: What is the maximum output current?
- A: The regulator can supply up to 180mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please check the datasheet.
- Q: What is the quiescent current?
- A: The quiescent current is a low 150µA, suitable for battery-operated devices.
- Q: What is the PSRR at high frequency?
- A: It offers 50dB PSRR at 100kHz, good for filtering high-frequency noise.
- Q: What package is used?
- A: It comes in a SOT-23-5 package.

FAN2558S36X.pdf