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Product attributes Property Value
Manufacturer Union Semiconductor International Limited
Product Series UM1750
Packaging Tape & Reel (TR) |
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 1.2V
Voltage - Output (Max) -
Voltage Dropout (Max) -
Current - Output 350mA
Current - Quiescent (Iq) 130 µA
Current - Supply (Max) 300 µA
PSRR 63dB ~ 40dB (100Hz ~ 10kHz)
Control Features Enable
Protection Features Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
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 RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The UM1750DA-12 is a fixed 1.2V low dropout linear regulator offering up to 350mA output current. It features a quiescent current of 130µA and excellent PSRR (63dB to 40dB from 100Hz to 10kHz), making it suitable for noise-sensitive low-voltage applications. The 6-DFN (2x2) package is compact and thermally efficient.

  • High Current Capacity: 350mA output supports demanding low-voltage digital loads.
  • Excellent PSRR: 63dB at 100Hz ensures clean power for sensitive analog and digital circuits.
  • Low Dropout Performance: Optimized for efficiency in battery-operated systems.
  • Compact DFN Package: 2x2mm footprint saves space while providing good thermal performance.

Low-Voltage Digital Cores

Provides a stable 1.2V rail for modern microcontrollers, FPGAs, and DSPs that require low-voltage, high-current supplies.

DDR Memory Termination

The 350mA output is suitable for powering DDR memory VTT termination circuits in embedded systems.

Portable Computing Devices

Ideal for tablets and e-readers where 1.2V core supplies are needed with minimal power loss.

Networking Equipment

Powers low-voltage ASICs and switch ICs in routers and switches, with good PSRR (63dB @ 100Hz) for clean operation.

Industrial Control Systems

Provides reliable 1.2V for PLCs and motor control DSPs, ensuring stable operation in noisy industrial environments.

Battery-Powered Medical Devices

Low quiescent current and compact DFN package suit portable medical monitors requiring 1.2V logic.

Q: What is the output voltage of the UM1750DA-12?
A: The fixed output voltage is 1.2V.
Q: What is the maximum output current?
A: It can deliver up to 350mA.
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 not specified in the provided data.
Q: What is the quiescent current?
A: The quiescent current is 130µA.
Q: What package is available?
A: It comes in a 6-DFN (2x2) package.
Base Product Number : UM1750DA-12
1.2V 350mA DFN LDO Linear Regulator Low Dropout Union Semiconductor
Q: What is the output voltage of the UM1750DA-12?
A: The fixed output voltage is 1.2V.
Q: What is the maximum output current?
A: It can deliver up to 350mA.
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 not specified in the provided data.
Q: What is the quiescent current?
A: The quiescent current is 130µA.
Q: What package is available?
A: It comes in a 6-DFN (2x2) package.