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Product Detailed Parameters
- Description：IC REG LINEAR 1.8V/2.8V SOT-26
- 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, 2.8V
- 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：SOT-23-6
- Supplier Device Package：SOT-26
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Overview
The AP7312-1828W6-7 is a dual fixed output low dropout linear regulator manufactured by Diodes Incorporated. It provides two independent voltage outputs of 1.8V and 2.8V, each capable of delivering up to 150mA. The device operates with an input voltage range from 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 SOT-26 package.
Feature Summary
- Dual channel architecture with independent enable pins for individual control
- Low dropout performance ensuring stable regulation under varying load conditions
- Integrated protection against overcurrent, short circuits, and overheating
- Fast transient response capability suitable for dynamic power demands
Applications
- Cellular phones
- Smart phones and PDAs
- MP3/MP4 players
- Bluetooth headsets
- Low power portable applications
Procurement Notes
Verify the specific ordering suffix W6-7 confirms the SOT-26 package and tape & reel packaging configuration. Ensure compatibility with the recommended 1µF ceramic capacitors for input and output stability. Confirm that the design accounts for the maximum junction temperature limits and thermal resistance characteristics specified in the datasheet for reliable operation within the -40°C to 85°C ambient temperature range.
Selection Notes
Select this component when dual isolated rails are required from a single input source. The 1.8V and 2.8V outputs cater to common logic and analog supply needs in mobile devices. Consider the low quiescent current for battery-operated systems requiring extended standby times. Verify that the load requirements do not exceed the 150mA per channel limit and that the input voltage remains within the 2V to 6V operational window.
Part Context
This part belongs to the AP7312 family of dual 150mA low dropout regulators. The series is designed for portable electronics requiring efficient power management. The AP7312-1828W6-7 specifically denotes the 1.8V/2.8V output combination in the SOT-26 package. The manufacturer notes that this product is not recommended for new designs, suggesting consideration of newer alternatives like the AP7345D for future projects.
Replacement Considerations
The datasheet explicitly recommends using the AP7345D instead of the AP7312 for new designs. No other direct substitute part numbers are provided in the documentation.
