Union Semiconductor International Limited UM1530S-35
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.04 | $1.04 |
| 15+ | $0.24 | $3.60 |
| 25+ | $0.23 | $5.75 |
| 50+ | $0.22 | $11.00 |
| 100+ | $0.20 | $20.00 |
| N+ | $0.04 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Union Semiconductor International Limited |
| Product Series | UM1530 |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 3.5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.33V @ 200mA |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 1.5 µA |
| Current - Supply (Max) | - |
| PSRR | 56dB ~ 42dB (100Hz ~ 1kHz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 |
| ROHS |  |
The UM1530S-35 is a fixed 3.5V low dropout linear regulator from Union Semiconductor, delivering up to 300mA of output current. Its ultra-low 1.5 µA quiescent current and low dropout voltage of 0.33V @ 200mA make it an excellent choice for battery-powered and portable applications. Housed in a compact SOT-23-3 package, this LDO provides stable and clean power with good ripple rejection, ensuring reliable performance in space-constrained designs.
- Extended Battery Life: Ultra-low 1.5 µA quiescent current minimizes standby power consumption, ideal for battery-operated devices.
- High Efficiency at Low Dropout: 0.33V dropout at 200mA allows operation from nearly depleted batteries, maximizing usable energy.
- Compact Footprint: SOT-23-3 package saves PCB space, enabling miniaturized product designs.
- Clean Output: PSRR of 56dB to 42dB (100Hz-1kHz) filters input noise, providing a stable supply for sensitive analog circuits.
Battery-Powered IoT Sensors
The ultra-low 1.5 µA quiescent current significantly extends battery life in always-on IoT sensor nodes, where the regulator maintains a stable 3.5V rail for microcontrollers and sensors.
Portable Medical Devices
With a low dropout of 0.33V @ 200mA, the UM1530S-35 efficiently regulates from a 3.8V Li-ion battery down to 3.5V, ensuring stable operation for critical monitoring equipment.
Wearable Electronics
The compact SOT-23-3 package and 300mA output capability make it suitable for space-constrained wearables like smartwatches and fitness trackers, providing a clean power supply for digital cores.
Wireless Communication Modules
The PSRR of 56dB to 42dB (100Hz to 1kHz) helps filter noise from switching converters, providing a clean 3.5V supply for RF transceivers and improving signal integrity.
Energy Harvesting Systems
In energy harvesting applications with limited current, the low quiescent current and 300mA max output allow efficient power management from small solar cells or thermoelectric generators.
- Q: What is the output voltage of the UM1530S-35?
- A: The UM1530S-35 provides a fixed output voltage of 3.5V.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 300mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified in the provided data; please refer to the official datasheet for the full input voltage range.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.33V at a 200mA load, ensuring efficient operation with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is a very low 1.5 µA, making it ideal for battery-powered applications.
- Q: What package is the UM1530S-35 available in?
- A: It is available in the compact SOT-23-3 package.
UM1530S-35.pdf
- Q: What is the output voltage of the UM1530S-35?
- A: The UM1530S-35 provides a fixed output voltage of 3.5V.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 300mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified in the provided data; please refer to the official datasheet for the full input voltage range.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.33V at a 200mA load, ensuring efficient operation with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is a very low 1.5 µA, making it ideal for battery-powered applications.
- Q: What package is the UM1530S-35 available in?
- A: It is available in the compact SOT-23-3 package.
