Union Semiconductor International Limited UM1530DB-18
| 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) | 1.8V |
| 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 | 4-XDFN Exposed Pad |
| Supplier Device Package | 4-DFN (1x1) |
| ROHS |
The UM1530DB-18 is a fixed 1.8V LDO regulator in an ultra-compact 4-DFN (1x1mm) package. Delivering 300mA with 1.5µA quiescent current and 0.33V dropout, it is designed for space-constrained, battery-powered devices. The 56dB PSRR ensures clean power for sensitive circuits.
- World-Class Miniaturization: 4-DFN (1x1mm) is ideal for micro-electronics.
- Ultra-Low Power: 1.5µA quiescent current maximizes battery life.
- Reliable Performance: 0.33V dropout at 200mA ensures stable operation.
- Noise Immunity: 56dB PSRR at 100Hz protects sensitive loads.
Hearing Aids
The 1x1mm package fits tiny PCB assemblies while 1.5µA quiescent current extends battery life.
Smart Contact Lenses
Ultra-miniature size enables integration into next-generation medical wearables.
Micro-Sensor Nodes
Compact footprint allows dense sensor arrays in industrial monitoring.
Portable ECG Monitors
Stable 1.8V rail for analog front-ends with low noise for accurate readings.
Wireless Earbuds
Space-saving package fits charging and audio circuits in tiny enclosures.
Smart Tags
Low power consumption supports long-term operation in asset tracking.
- Q: What is the output voltage of the UM1530DB-18?
- A: Fixed 1.8V output.
- Q: What is the maximum output current?
- A: 300mA.
- Q: What is the input voltage range?
- A: Input voltage is 1.8V (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: 4-DFN (1x1mm) ultra-compact package.
- Q: What is the output voltage of the UM1530DB-18?
- A: Fixed 1.8V output.
- Q: What is the maximum output current?
- A: 300mA.
- Q: What is the input voltage range?
- A: Input voltage is 1.8V (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: 4-DFN (1x1mm) ultra-compact package.

UM1530DB-18.pdf