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Product attributes Property Value
Manufacturer Union Semiconductor International Limited
Product Series UM1560
Packaging Tape & Reel (TR) |
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 8V
Voltage - Output (Min/Fixed) 3.3V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.3V @ 200mA
Current - Output 300mA
Current - Quiescent (Iq) 3.5 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 RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The UM1560DB-33 from Union Semiconductor is a low-dropout linear regulator delivering a fixed 3.3V output with up to 300mA of current. Its ultra-low 3.5µA quiescent current makes it an excellent choice for battery-operated and energy-harvesting systems. The 4-DFN (1x1) package provides a tiny solution for space-constrained electronics.

  • Power Efficiency: 3.5µA quiescent current minimizes energy consumption in standby and active modes.
  • Versatile Output: 3.3V is compatible with a wide range of digital and analog components.
  • Compact Design: 4-DFN (1x1) package fits into the smallest PCB layouts.
  • Stable Regulation: 0.3V dropout at 200mA ensures consistent performance under varying load conditions.

Standard Logic Power

The 3.3V output is the industry standard for microcontrollers, sensors, and digital ICs, with 300mA covering most applications.

Battery-Powered Peripherals

Ultra-low 3.5µA quiescent current extends battery life in wireless keyboards, mice, and game controllers.

Industrial Sensors

Stable 3.3V rail with 56dB PSRR at 100Hz ensures accurate readings from pressure and temperature transducers.

Smart Home Hubs

The 300mA output powers Zigbee, Z-Wave, and Wi-Fi modules in smart home gateways with minimal power loss.

Portable Test Equipment

Low dropout and compact package make it suitable for handheld multimeters and signal generators.

Automotive Accessories

Reliable 3.3V output for dashcams and OBD-II scanners, with low quiescent current for always-on operation.

Q: What is the output voltage of the UM1560DB-33?
A: The fixed output voltage is 3.3V.
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 range is not specified in the provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.3V at 200mA load.
Q: What is the quiescent current?
A: The quiescent current is 3.5µA.
Q: What package is available?
A: It comes in a 4-DFN (1x1) package.
Base Product Number : UM1560DB-33
3.3V 300mA 4-DFN LDO Linear Regulator Ultra-Low Quiescent Current Union Semiconductor
Q: What is the output voltage of the UM1560DB-33?
A: The fixed output voltage is 3.3V.
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 range is not specified in the provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.3V at 200mA load.
Q: What is the quiescent current?
A: The quiescent current is 3.5µA.
Q: What package is available?
A: It comes in a 4-DFN (1x1) package.