Union Semiconductor International Limited UM1530DA-33
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.20 | $1.20 |
| 15+ | $0.28 | $4.20 |
| 25+ | $0.27 | $6.75 |
| 50+ | $0.26 | $13.00 |
| 100+ | $0.23 | $23.00 |
| N+ | $0.05 | 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) | 3.3V |
| 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 | 6-WDFN Exposed Pad |
| Supplier Device Package | 6-DFN (2x2) |
The UM1530DA-33 is a fixed 3.3V LDO regulator providing 300mA in a 6-DFN package. With 1.5µA quiescent current and 0.33V dropout at 200mA, it delivers efficient, clean power for a wide range of applications. The 56dB PSRR ensures minimal noise for sensitive electronics.
- Versatile Output: Standard 3.3V rail compatible with most digital ICs.
- Low Power Draw: 1.5µA quiescent current for battery conservation.
- Efficient Operation: 0.33V dropout at 200mA reduces heat generation.
- Compact Design: 6-DFN (2x2mm) saves PCB space.
Microcontroller Power
3.3V rail with 300mA capacity powers popular MCUs like STM32 and ESP32 in IoT devices.
Wireless Modules
Stable 3.3V supply for Wi-Fi, BLE, and LoRa modules with low noise for reliable RF performance.
Portable Consumer Electronics
1.5µA quiescent current extends battery life in remote controls and digital cameras.
Industrial Control Systems
Reliable 3.3V rail for PLCs and sensors in harsh environments.
Smart Home Devices
Compact 6-DFN package fits smart switches and thermostats.
Automotive Accessories
Stable output for infotainment and telematics systems (non-Q1 version).
- Q: What is the output voltage of the UM1530DA-33?
- A: Fixed 3.3V output.
- Q: What is the maximum output current?
- A: 300mA.
- Q: What is the input voltage range?
- A: Input voltage is 3.3V (typical for this fixed-output version).
- Q: What is the dropout voltage?
- A: 0.33V at 200mA load.
- Q: What is the quiescent current?
- A: 1.5µA.
- Q: What package is available?
- A: 6-DFN (2x2mm).
- Q: What is the output voltage of the UM1530DA-33?
- A: Fixed 3.3V output.
- Q: What is the maximum output current?
- A: 300mA.
- Q: What is the input voltage range?
- A: Input voltage is 3.3V (typical for this fixed-output version).
- Q: What is the dropout voltage?
- A: 0.33V at 200mA load.
- Q: What is the quiescent current?
- A: 1.5µA.
- Q: What package is available?
- A: 6-DFN (2x2mm).

UM1530DA-33.pdf