Union Semiconductor International Limited UM1530DB-45
| 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) | 4.5V |
| 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 | 4-XDFN Exposed Pad |
| Supplier Device Package | 4-DFN (1x1) |
| ROHS |  |
The UM1530DB-45 is a high-performance low dropout linear regulator from Union Semiconductor, delivering a fixed 4.5V output with up to 300mA of current. Its ultra-low 1.5 µA quiescent current makes it exceptionally well-suited for battery-powered and energy-sensitive applications. The device features a low dropout voltage of 0.33V at 200mA, ensuring efficient operation even with minimal input-to-output voltage headroom. Housed in a compact 4-DFN (1x1) package, this LDO offers excellent noise rejection with 56dB PSRR at 100Hz, making it ideal for noise-sensitive portable electronics.
- Extended Battery Life: Ultra-low 1.5 µA quiescent current minimizes standby power consumption, ideal for always-on devices.
- Compact Footprint: The 4-DFN (1x1) package saves critical board space in miniaturized designs.
- High Efficiency: Low dropout voltage of 0.33V at 200mA allows operation with minimal power loss.
- Clean Power Delivery: 56dB PSRR at 100Hz effectively suppresses input noise for sensitive analog circuits.
Battery-Powered IoT Sensors
The ultra-low quiescent current of 1.5 µA significantly extends battery life in always-on IoT sensor nodes, where the LDO maintains a stable 4.5V rail for microcontrollers and sensors.
Wearable Electronics
The compact 4-DFN (1x1) package is ideal for space-constrained wearables, providing a regulated 4.5V supply from a single Li-ion cell with minimal board footprint.
Portable Medical Devices
With 300mA output capability and low dropout, this regulator ensures reliable operation of portable diagnostic equipment, maintaining voltage stability even as the battery discharges.
Wireless Communication Modules
The PSRR of 56dB at 100Hz helps filter low-frequency noise from power sources, ensuring clean power for RF transceivers and improving signal integrity.
Energy Harvesting Systems
The low quiescent current and 4.5V output make it suitable for energy harvesting applications where every microamp of current is critical for system efficiency.
Industrial Control Interfaces
Provides a stable 4.5V reference for industrial sensor interfaces, with the 300mA current capability supporting multiple peripheral loads simultaneously.
- Q: What is the output voltage of the UM1530DB-45?
- A: The UM1530DB-45 provides a fixed output voltage of 4.5V.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 300mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified, but the device is designed for a 4.5V output with a dropout voltage of 0.33V at 200mA.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.33V at 200mA load current.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 1.5 µA, making it ideal for battery-powered applications.
- Q: What package is available?
- A: The UM1530DB-45 is available in a compact 4-DFN (1x1) package.
UM1530DB-45.pdf
- Q: What is the output voltage of the UM1530DB-45?
- A: The UM1530DB-45 provides a fixed output voltage of 4.5V.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 300mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified, but the device is designed for a 4.5V output with a dropout voltage of 0.33V at 200mA.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.33V at 200mA load current.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 1.5 µA, making it ideal for battery-powered applications.
- Q: What package is available?
- A: The UM1530DB-45 is available in a compact 4-DFN (1x1) package.
