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S-8520B24MC-ARJT2G
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Product Detailed Parameters
- Description：IC REG CTRLR BUCK SOT23-5
- Series：-
- Mfr：ABLIC Inc.
- 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)：2.5V ~ 16V
- Frequency - Switching：180kHz
- Duty Cycle (Max)：100%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
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Overview
The S-8520B24MC-ARJT2G is a CMOS step-down switching regulator controller from the ABLIC S-8520 series. It operates with PWM control to provide low-ripple power and high efficiency. The device features a fixed output voltage of 2.4V, a switching frequency of 180kHz, and supports up to 100% duty cycle. It functions within an input voltage range of 2.5V to 16V and includes an integrated soft-start circuit to prevent startup overshoot.
Feature Summary
- PWM control circuit capable of varying duty ratio linearly from 0% to 100%
- Integrated error amplifier and soft-start circuit for stable operation
- Capable of high efficiency over a wide load range
Applications
- Step-down switching regulator designs requiring precise voltage regulation
- Power management systems for portable electronic devices
- Industrial equipment requiring stable DC-DC conversion
Procurement Notes
Verify the specific suffix ARJT2G against official ABLIC documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with required operating temperatures and input voltage ranges before procurement. Cross-reference datasheet revision dates to confirm current manufacturing status.
Selection Notes
Select this component when a fixed 2.4V output is required in a compact surface-mount package. It is suitable for applications needing PWM control with linear duty cycle adjustment. Consider the 180kHz switching frequency for balancing size and efficiency requirements in space-constrained designs.
Part Context
This part belongs to the S-8520 series of CMOS step-down switching regulator controllers. The series is designed to offer low ripple and excellent transient characteristics through PWM control. It integrates essential components like reference voltage sources and oscillation circuits into a single IC.
Replacement Considerations
Check the S-8520A series for similar functionality with different voltage outputs or control modes. Verify pinout and electrical parameters against the S-8521 series if PFM/PWM switching is preferred.
