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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) 1.8V
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 SC-74A, SOT-753
Supplier Device Package SOT-23-5
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The UM1560S-18 is a low dropout linear regulator delivering a fixed 1.8V output with up to 300mA current capability. With a low 3.5µA quiescent current and 0.3V dropout at 200mA, it provides efficient power conversion for modern low-voltage electronics. The SOT-23-5 package offers a versatile and widely compatible form factor for various applications.

  • Low Power Operation: 3.5µA quiescent current minimizes energy waste in battery-powered designs.
  • Versatile Package: SOT-23-5 is industry-standard, easy to solder, and widely available.
  • Stable Low-Voltage Output: 1.8V rail is perfect for modern digital ICs and memory interfaces.
  • Good Noise Rejection: PSRR of 56dB at 100Hz provides clean power for mixed-signal circuits.

FPGA and DSP Core Power

The 1.8V output is ideal for powering the core voltage of FPGAs, DSPs, and high-performance microprocessors.

DDR Memory Termination

Provides stable 1.8V rail for DDR2/DDR3 memory termination and reference voltage circuits.

Portable Consumer Electronics

SOT-23-5 package and 300mA output make it suitable for smartphones, tablets, and portable gaming devices.

Low-Power Wireless Modules

3.5µA quiescent current extends battery life in Bluetooth Low Energy and Zigbee modules.

Sensor Interface Circuits

Clean 1.8V supply with PSRR of 56dB at 100Hz ensures accurate readings from analog sensors.

Battery Management Systems

Reliable regulation for fuel gauge ICs and protection circuits in lithium-ion battery packs.

Q: What is the output voltage of the UM1560S-18?
A: The fixed output voltage is 1.8V.
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; please 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 SOT-23-5 package.
Base Product Number : UM1560S-18
1.8V 300mA LDO Linear Regulator Low Dropout Low Quiescent Current SOT-23-5 Union Semiconductor
Q: What is the output voltage of the UM1560S-18?
A: The fixed output voltage is 1.8V.
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; please 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 SOT-23-5 package.