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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 16SOIC
- Series：-
- Mfr：Diodes Incorporated
- Package：Tube
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：2
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：3.6V ~ 40V
- Frequency - Switching：1kHz ~ 500kHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Dead Time Control
- Operating Temperature：-20°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOP
- Grade：-
- Qualification：-
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Overview
The AP2001SL-U is a monolithic dual-channel PWM controller designed for power supply applications. It integrates two error amplifiers, adjustable dead-time control (DTC), and double common-emitter output transistors. The device operates with a maximum input voltage of 40V and features a 2.5V internal voltage reference. It supports variable oscillator frequencies up to 500kHz and includes protection mechanisms such as under-voltage lockout (UVLO) and short-circuit protection (SCP).
Feature Summary
- Dual PWM control circuitry with integrated error amplifiers and adjustable dead-time control.
- Built-in 2.5V voltage reference and comprehensive protection including UVLO and SCP.
- Double common-emitter output transistors suitable for driving external pre-drivers.
Applications
- Backlight inverters
- DC/DC converters in computer systems
Procurement Notes
Verify the specific suffix 'SL-U' against the manufacturer's current ordering information to confirm package type and lead-free status. Confirm availability status as the component may be discontinued or have limited stock depending on the distributor. Ensure the selected variant matches the required SOP-16L package dimensions and RoHS compliance specifications for the target application.
Selection Notes
Select this component for designs requiring dual-channel PWM control within a single IC. It is suitable for applications needing adjustable dead-time and high input voltage tolerance up to 40V. Consider the 500kHz maximum frequency and 2.5V reference when designing the compensation network and timing components. Verify thermal requirements for the SOP-16L package.
Part Context
The AP2001 series represents Diodes Incorporated's solution for compact dual-channel power management. It consolidates PWM generation, error amplification, and output driving into one chip, reducing board space compared to discrete solutions. This family targets cost-sensitive and space-constrained power supply designs in consumer and industrial electronics.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Check for pin-compatible alternatives from Diodes Incorporated or other manufacturers offering dual-channel PWM controllers with similar voltage ratings and output configurations.
