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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 8SO
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：4.5V ~ 13.2V
- Frequency - Switching：300kHz
- Duty Cycle (Max)：82%
- Synchronous Rectifier：Yes
- Clock Sync：Yes
- Serial Interfaces：-
- Control Features：Enable, Phase Control
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-SO-EP
- Grade：-
- Qualification：-
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Overview
The AP3585AMPTR-G1 is a synchronous buck DC-DC switching controller manufactured by Diodes Incorporated. It operates within a supply voltage range of 4.5V to 13.2V and features a fixed switching frequency of 200kHz with a maximum duty cycle of 82%. The device supports clock synchronization and includes enable and phase control features. It is designed for positive output configurations and is housed in an 8-SO-EP package with a bare pad, suitable for surface mount installation across an operating temperature range of -40°C to 85°C.
Feature Summary
- Integrated synchronous rectification for improved efficiency
- Supports external clock synchronization for noise immunity
- Includes enable and phase control capabilities
Applications
- Point-of-load regulation in industrial systems
- Power supplies for embedded computing modules
- Battery-powered equipment requiring efficient step-down conversion
Procurement Notes
Verify the specific suffix 'G1' against the manufacturer's current datasheet to confirm RoHS compliance and material declarations. Ensure the 8-SO-EP package footprint matches the PCB design, particularly regarding the exposed thermal pad requirements. Confirm availability status as component lifecycles may change without immediate public notice.
Selection Notes
Select this component when a fixed 200kHz frequency is required for EMI management. The synchronous design reduces external component count compared to non-synchronous alternatives. Verify that the input voltage range of 4.5V to 13.2V aligns with the system power rail. Consider the thermal performance of the 8-SO-EP package for high-current applications.
Part Context
This part belongs to the AP3585 family of single-phase synchronous buck PWM controllers from Diodes Incorporated. It is distinct from operational amplifiers or other PMIC series sharing similar numerical prefixes. The device focuses on controlling external MOSFETs rather than integrating them internally, offering flexibility in current handling based on external component selection.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's official cross-reference tools for qualified replacements.
