Union Semiconductor International Limited UM1530S-38
| 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) | 3.8V |
| 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-38 is a fixed 3.8V LDO regulator from Union Semiconductor, offering 300mA output. With an ultra-low 1.5µA quiescent current and 0.33V dropout at 200mA, it is optimized for battery-powered applications. The SOT-23-3 package ensures a small footprint, while PSRR of 56dB at 100Hz provides clean power.
- Battery Optimized: 3.8V output matches Li-ion cell voltage.
- Ultra-Low IQ: 1.5µA quiescent current for long standby.
- Small Size: SOT-23-3 package for compact designs.
- Low Dropout: 0.33V at 200mA improves efficiency.
Li-ion Battery Devices
3.8V output is ideal for devices powered by single-cell Li-ion batteries, providing regulated supply.
RF Transceivers
Clean 3.8V rail with PSRR of 56dB reduces noise for RF circuits in communication devices.
Portable Instruments
Low quiescent current extends battery life in handheld measurement tools.
Camera Modules
Stable 3.8V for image sensors, ensuring consistent performance in compact cameras.
Embedded Systems
Powers 3.8V logic and analog circuits in embedded control systems.
- Q: What is the output voltage?
- A: Fixed 3.8V output.
- Q: What is the maximum current?
- A: 300mA.
- Q: What is the input voltage range?
- A: Not specified in provided data.
- Q: What is the dropout voltage?
- A: 0.33V at 200mA.
- Q: What is the quiescent current?
- A: 1.5µA.
- Q: What package is it?
- A: SOT-23-3.
- Q: What is the output voltage?
- A: Fixed 3.8V output.
- Q: What is the maximum current?
- A: 300mA.
- Q: What is the input voltage range?
- A: Not specified in provided data.
- Q: What is the dropout voltage?
- A: 0.33V at 200mA.
- Q: What is the quiescent current?
- A: 1.5µA.
- Q: What package is it?
- A: SOT-23-3.

UM1530S-38.pdf