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UM1540DA-28 is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Union Semiconductor International Limited. Its product description is IC REG LINEAR 2.8V 300MA 6-DFN. Review the specifications below when checking this part for your BOM.
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for UM1540DA-28
- Description：IC REG LINEAR 2.8V 300MA 6-DFN
- Series：UM1540
- Mfr：Union Semiconductor International Limited
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：6V
- Voltage - Output (Min/Fixed)：2.8V
- 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：Enable
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：6-WDFN Exposed Pad
- Supplier Device Package：6-DFN (2x2)
- Grade：-
- Qualification：-
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for UM1540DA-28
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview
The UM1540DA-28 is a fixed-output linear voltage regulator IC from Union Semiconductor International Limited. It provides a fixed output voltage of 2.8V with a maximum current output of 300mA. The device features low quiescent current, specified at 1.5 microamperes, and supports input voltages up to 6V. It is implemented using CMOS technology and is housed in a WDFN package with an exposed pad.
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary
- CMOS technology implementation for high efficiency
- Low quiescent current operation
- Fixed output voltage regulation
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications
- Industrial systems
- Consumer electronics
- Digital systems
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes
Verify the specific datasheet version and manufacturer documentation for the UM1540DA-28 to ensure compliance with required electrical specifications and packaging details. Confirm that the component meets all necessary regulatory standards for the intended application environment before procurement.
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes
Select this component when a stable 2.8V output is required with limited power consumption constraints. Ensure the input voltage does not exceed the 6V maximum rating. Consider the thermal performance associated with the WDFN package design for effective heat dissipation in the target circuit layout.
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context
This part belongs to the UM1540 series of linear regulators designed by Union Semiconductor International Limited. The series utilizes CMOS technology to achieve low static current characteristics while maintaining reliable voltage regulation capabilities suitable for various portable and battery-powered applications.
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations
Compatible substitutes within the same series include the UM1540DA-27 and UM1540DA-50, which offer different fixed output voltages but share similar electrical characteristics and package configurations.
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