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Product Detailed Parameters
- Description：IC REG LINEAR 1.2V/1.8V 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)：1.2V, 1.8V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.3V @ 150mA, 0.3V @ 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 AP7312-1218W6-7 is a dual-output low dropout linear regulator manufactured by Diodes Incorporated. It provides fixed output voltages of 1.2 V and 1.8 V with a maximum output current of 150 mA per channel. The device operates within an input voltage range of 2 V to 6 V and features a typical quiescent current of 60 µA. It offers high power supply rejection ratio of 65 dB at 1 kHz and includes protection mechanisms such as current limit, thermal shutdown, and short circuit protection. The component is housed in a SOT-26 package and supports operation from -40°C to +85°C.
Feature Summary
- Dual independent channels with individual enable pins for flexible power management
- Integrated protection against overcurrent, thermal overload, and short circuits
- High power supply rejection ratio ensuring stable performance under noise conditions
- Fast transient response capability with low dropout voltage characteristics
Applications
- Cellular phones
- Smart phones and PDAs
- MP3/MP4 players
- Bluetooth headsets
- Low power portable electronic devices
Procurement Notes
Verify the specific suffix W6-7 confirms the SOT-26 package and 1.2V/1.8V output configuration. Confirm RoHS compliance status through official documentation. Check for obsolescence notices as some sources indicate potential end-of-life status for this variant. Ensure ordering quantities align with manufacturer packaging standards.
Selection Notes
Select this component when dual isolated rails are required from a single input source. Suitable for battery-powered applications due to wide input range and low quiescent current. Verify thermal dissipation requirements given the 950 mW power rating. Compare PSRR specifications against system noise sensitivity requirements.
Part Context
This part belongs to the AP7312 family of dual LDO regulators designed for portable electronics. It shares architectural similarities with other AP73xx series parts but differs in output voltage configurations and package types. The W6 suffix denotes the specific pinout and physical dimensions compatible with standard SOT-26 footprints used in compact mobile designs.
Replacement Considerations
AP7312-1533W6-7: Dual output 1.5V/3.3V variant with identical package and pinout. AP7312-3333W6-7: Dual output 3.3V/3.3V variant. AP7312-1212W6-7: Dual output 1.2V/1.2V variant. All share same electrical characteristics except output voltages.
