Burr Brown REG101UA-A
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.80 | $6.80 |
| 15+ | $1.56 | $23.40 |
| 25+ | $1.53 | $38.25 |
| 50+ | $1.45 | $72.50 |
| 100+ | $1.28 | $128.00 |
| N+ | $0.26 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Burr Brown |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 10V |
| Voltage - Output (Min/Fixed) | 2.5V |
| Voltage - Output (Max) | 5.5V |
| Voltage Dropout (Max) | 0.13V @ 100mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 500 µA |
| Current - Supply (Max) | 650 µA |
| PSRR | 65dB (120Hz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| ROHS |  |
The REG101UA-A from Burr Brown is a precision fixed-output LDO regulator delivering 5.5V at up to 100mA. Its low 130mV dropout voltage and 500µA quiescent current make it an excellent choice for battery-powered and portable applications. With 65dB PSRR at 120Hz, it effectively suppresses power supply noise, ensuring clean operation for sensitive analog circuits. The compact 8-SOIC package fits space-constrained designs.
- High PSRR: 65dB rejection at 120Hz ensures clean, ripple-free output for sensitive analog loads.
- Low Dropout: 130mV dropout at 100mA allows efficient operation with minimal input-to-output headroom.
- Low Quiescent Current: 500µA quiescent current extends battery life in portable devices.
- Fixed 5.5V Output: Simplifies design with a stable, pre-set output voltage requiring no external resistors.
Precision Analog Supply
The 65dB PSRR at 120Hz effectively filters mains-related ripple, making it perfect for powering op-amps and precision voltage references in audio and instrumentation circuits.
Battery-Powered Medical Devices
With a low 130mV dropout and 500µA quiescent current, it maximizes battery life in portable glucose monitors and hearing aids requiring a stable 5.5V rail.
Sensor Signal Conditioning
Provides a clean, low-noise supply for bridge sensors and thermocouple amplifiers, ensuring accurate signal acquisition in industrial process control.
Communication Interface Power
Ideal for powering RS-232 transceivers or CAN bus controllers that require a regulated 5.5V supply with minimal noise coupling.
Portable Test Equipment
The 8-SOIC package and low quiescent current make it suitable for handheld multimeters and calibrators where board space and power efficiency are critical.
Audio Preamplifier Bias
Delivers a quiet, stable voltage rail for microphone preamps and headphone amplifiers, reducing hum and improving signal-to-noise ratio.
- Q: What is the output voltage of the REG101UA-A?
- A: The REG101UA-A provides a fixed output voltage of 5.5V.
- Q: What is the maximum output current?
- A: It can supply up to 100mA of output current.
- Q: What is the input voltage range?
- A: The minimum input voltage is 2.5V; the maximum is not specified in the provided data.
- Q: What is the dropout voltage?
- A: The dropout voltage is 130mV at a 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 500µA.
- Q: What is the PSRR performance?
- A: It offers 65dB of power supply rejection ratio at 120Hz.
REG101UA-A.pdf
- Q: What is the output voltage of the REG101UA-A?
- A: The REG101UA-A provides a fixed output voltage of 5.5V.
- Q: What is the maximum output current?
- A: It can supply up to 100mA of output current.
- Q: What is the input voltage range?
- A: The minimum input voltage is 2.5V; the maximum is not specified in the provided data.
- Q: What is the dropout voltage?
- A: The dropout voltage is 130mV at a 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 500µA.
- Q: What is the PSRR performance?
- A: It offers 65dB of power supply rejection ratio at 120Hz.
