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AP4306BKTR-G1
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Product Detailed Parameters
- Description：IC CURR SENSE 1 CIRCUIT SOT23-6
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：Current Sense
- Number of Circuits：1
- Output Type：-
- Slew Rate：-
- Gain Bandwidth Product：-
- Current - Input Bias：50 nA
- Voltage - Input Offset：-
- Current - Supply：500µA
- Current - Output / Channel：50 mA
- Voltage - Supply Span (Min)：2.5 V
- Voltage - Supply Span (Max)：18 V
- Operating Temperature：-40°C ~ 105°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6
- -3db Bandwidth：-
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Overview
The AP4306BKTR-G1 is a highly integrated constant voltage and constant current controller for SMPS applications, manufactured by Diodes Incorporated. It features a 1.21V voltage reference, a low voltage reference (70mV) for current sensing, and two operational amplifiers. The device operates within a supply voltage range of 2.5V to 18V and supports an operating temperature range from -40°C to +105°C. It is available in the SOT26 package with a tape and reel packing configuration.
Feature Summary
- Provides precise internal voltage references for both voltage control loops and current limiting circuits.
- Enables high power efficiency through a dedicated low voltage reference for the current control loop.
- Requires minimal external components due to its fully integrated design.
- Supports easy compensation for stable operation in switching mode power supplies.
Applications
- Adapters
- Battery chargers
Procurement Notes
Verify the specific suffix 'G1' confirms RoHS compliance and halogen/antimony-free status as defined by Diodes Incorporated. Confirm the 'K' package designation corresponds to the SOT26 form factor. Ensure the 'TR' suffix indicates tape and reel packaging suitable for automated assembly processes before finalizing procurement orders.
Selection Notes
Select this component when designing SMPS systems requiring simultaneous constant voltage and constant current regulation. The AP4306 offers higher efficiency compared to the AP4305 due to its lower current control loop reference voltage. Consider the SOT26 package constraints and the 2.5V to 18V operating supply voltage range during circuit layout and power budgeting.
Part Context
This part belongs to the AP4306 series of PMICs designed for specialized power management tasks. It functions as a core controller for offline AC/DC converters, specifically targeting low-power charger applications where compact size and high efficiency are critical design parameters.
Replacement Considerations
The AP4306 is functionally compatible with the AP4305, though the latter has a higher reference voltage for the current control loop, resulting in lower efficiency. Verify pinout compatibility and electrical characteristics before substituting between these variants.
FAQ
What is the difference between the AP4306 and AP4305?
The AP4306 features a lower reference voltage for the current control loop compared to the AP4305, which allows for higher power efficiency in SMPS applications such as low-power chargers.
What does the 'A Version' designation indicate?
The 'A Version' specifies that the device utilizes a 70mV reference voltage for the current control loop, distinguishing it from other potential versions with different reference levels.
