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Product Detailed Parameters
- Description：IC REG LIN 1.8V/3V U-DFN2018-6
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：2
- Voltage - Input (Max)：6V
- Voltage - Output (Min/Fixed)：1.8V, 3V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.3V @ 150mA, 0.2V @ 150mA
- Current - Output：150mA, 150mA
- Current - Quiescent (Iq)：80 µA
- Current - Supply (Max)：-
- PSRR：65dB (1kHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：6-UFDFN Exposed Pad
- Supplier Device Package：U-DFN2018-6
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Overview
The AP7312-1830FM-7 is a dual fixed-output low dropout linear regulator manufactured by Diodes Incorporated. It provides two independent output channels with voltages of 1.8V and 3.0V, each capable of delivering up to 150mA. The device operates within an input voltage range of 2V to 6V and features a typical quiescent current of 60µA. It includes integrated protection mechanisms such as current limit, short circuit, and thermal shutdown. The component is housed in a DFN2018-6 surface-mount package.
Feature Summary
- Dual-channel architecture with independent enable pins for individual channel control
- Integrated overcurrent, short-circuit, and thermal shutdown protection circuits
- Fast transient response capability suitable for rapidly changing load conditions
- Low dropout voltage performance ensuring efficient power regulation
Applications
- Cellular phones
- Smart phones and PDAs
- MP3/MP4 players
- Bluetooth headsets
- Low power portable applications
Procurement Notes
Verify the specific ordering suffix FM-7 confirms the DFN2018-6 package type and 1.8V/3.0V output configuration. Confirm RoHS compliance status and check for any product change notifications regarding leadframe materials or bond wire composition before finalizing procurement specifications.
Selection Notes
Select this component when a dual rail supply is required from a single input source. Ensure the input voltage remains within the 2V to 6V operational range. Verify that the application load does not exceed the 150mA per channel limit and that the PCB layout supports the thermal requirements of the DFN2018-6 package.
Part Context
This part belongs to the AP7312 family of dual 150mA low dropout regulators. The datasheet explicitly states that the AP7312 series is not recommended for new designs and suggests using the AP7345D instead. This context indicates the component may be legacy or being phased out in favor of newer alternatives.
Replacement Considerations
The datasheet recommends the AP7345D as the preferred alternative for new designs. No other specific substitute part numbers are documented in the provided material.
