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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 14SOIC
- 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)：10V ~ 40V
- Frequency - Switching：200kHz
- Duty Cycle (Max)：85%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable, Phase Control, Soft Start
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：14-SOP
- Grade：-
- Qualification：-
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Overview
The AP2011SL-13 is a synchronous buck DC-DC converter manufactured by Diodes Incorporated. It operates with an input voltage range of 3.6V to 18V and provides a fixed 5V output. The device delivers a maximum output current of 2A with an integrated P-channel MOSFET switch. Key electrical parameters include a switching frequency of 300kHz, adjustable up to 400kHz. It features voltage-mode PWM control with 0% to 100% duty cycle capability. The component supports operation within a temperature range of -20°C to +85°C and utilizes SOP-8L surface-mount packaging.
Feature Summary
- Integrates a P-channel MOSFET for high-side switching in a synchronous buck topology
- Provides comprehensive protection mechanisms including soft-start, current limiting, and thermal shutdown
- Supports wide input voltage ranges suitable for various power distribution applications
Applications
- PC motherboard power regulation
- LCD monitor supply circuits
- Graphics card voltage regulation modules
- Telecommunications equipment power systems
- Microprocessor core voltage supplies
Procurement Notes
Verify the specific package variant and manufacturing date code against the official Diodes Incorporated datasheet before integration. Confirm that the SOP-8L footprint matches the design layout requirements. Ensure compliance with RoHS directives as specified in the product documentation. Cross-reference the part number suffix to guarantee exact functional equivalence with existing designs.
Selection Notes
Select this component for applications requiring a robust 2A step-down solution from higher voltage rails. The fixed 5V output simplifies design for standard logic levels. Consider the 300kHz switching frequency for balancing efficiency and passive component size. The integrated protections reduce external component count compared to discrete solutions. Verify thermal performance under maximum load conditions given the compact package.
Part Context
This device belongs to the Diodes Incorporated family of power management ICs designed for portable and industrial electronics. It addresses the need for efficient voltage conversion in systems powered by 12V or similar buses. The synchronous architecture improves efficiency over traditional linear regulators or non-synchronous converters. It serves as a critical power distribution element in complex electronic assemblies requiring stable 5V rails.
Replacement Considerations
Consult the manufacturer's substitution guide for verified alternatives. Generic equivalents may lack identical protection thresholds or switching characteristics. Ensure any replacement maintains the same pinout and thermal dissipation capabilities to avoid redesigning the PCB layout.
