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Product Detailed Parameters
- Description：IC REG LINEAR 1.2V/3.3V 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, 3.3V
- 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：SOT-23-6
- Supplier Device Package：SOT-26
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Overview
The AP7312-1233W6-7 is a dual fixed-output low dropout linear regulator manufactured by Diodes Incorporated. It provides two independent output channels with voltages of 1.2V and 3.3V, 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 SOT-26 surface-mount 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 format. Confirm RoHS compliance status and check for any applicable exemptions. Ensure the design accounts for the recommended minimum external capacitance values for stability. Validate that the thermal dissipation requirements are met within the operating ambient temperature range.
Selection Notes
Select this component when a dual rail supply is required from a single input source. The 1.2V and 3.3V outputs cater to common logic and peripheral voltage needs. Consider the low quiescent current for battery-operated devices. Verify that the input voltage remains within the specified 2V to 6V range during all operational states.
Part Context
This part belongs to the AP7312 family of dual 150mA low dropout regulators. The series offers various fixed output voltage combinations to suit different system architectures. The AP7312-1233W6-7 specifically pairs the 1.2V and 3.3V rails. It is designed for compact mobile electronics requiring efficient power management in small form factors.
Replacement Considerations
The datasheet explicitly recommends using the AP7345D instead of the AP7312 for new designs. Verify if the AP7345D meets the specific pinout and electrical requirements of the existing circuit before substitution.
