Union Semiconductor International Limited UM1530DA-42
| 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) | 4.2V |
| 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) |
| ROHS |
The UM1530DA-42 is a fixed 4.2V LDO regulator offering 300mA output with an exceptional 1.5µA quiescent current. This makes it one of the most power-efficient options for battery-operated devices. The 6-DFN package provides a compact solution with 330mV dropout at 200mA.
- Industry-Leading Low Quiescent: 1.5µA maximizes battery life.
- High Output Current: 300mA supports a wide range of loads.
- Compact Package: 2x2mm DFN saves PCB space.
- Stable 4.2V Output: Ideal for Li-ion battery applications.
Battery-Powered Industrial Sensors
The 1.5µA quiescent current is among the lowest, ideal for long-life wireless sensor networks.
Portable Medical Devices
Stable 4.2V output for glucose meters and pulse oximeters, ensuring reliable readings.
Smart Meters
300mA output can power communication modules in smart gas/water meters.
Wearable Fitness Trackers
Compact DFN package and low quiescent current extend charge cycles.
Remote Monitoring Systems
Provides clean power for environmental sensors in remote locations.
Automotive TPMS
Reliable 4.2V supply for tire pressure sensors, with minimal battery drain.
- Q: What is the output voltage?
- A: The fixed output is 4.2V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA.
- Q: What is the input voltage range?
- A: The input voltage is 4.2V (typical operating condition).
- Q: What is the dropout voltage?
- A: Dropout is 0.33V at 200mA load.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of 1.5µA.
- Q: What package is available?
- A: It comes in a 6-DFN (2x2) package.
- Q: What is the output voltage?
- A: The fixed output is 4.2V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA.
- Q: What is the input voltage range?
- A: The input voltage is 4.2V (typical operating condition).
- Q: What is the dropout voltage?
- A: Dropout is 0.33V at 200mA load.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of 1.5µA.
- Q: What package is available?
- A: It comes in a 6-DFN (2x2) package.

UM1530DA-42.pdf