S-8521F33MC-BPST2U

$0.43

Description：IC REG CTRLR BUCK SOT23-5
Series：-
Mfr：ABLIC Inc.
Package：Tape & Reel (TR)

SKU:230f3a6b24ba Category: DC DC Switching Controllers Brand: ABLIC Inc.

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Product introduction

S-8521F33MC-BPST2U is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists ABLIC Inc.. Its product description is IC REG CTRLR BUCK SOT23-5. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for S-8521F33MC-BPST2U

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：300kHz
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
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for S-8521F33MC-BPST2U

S-8521F33MC-BPST2U

DC DC Switching Controllers Overview

The S-8521F33MC-BPST2U is a step-down DC-DC switching controller manufactured by ABLIC Inc. It operates with a fixed switching frequency of 300 kHz and supports an input voltage range from 2.5 V to 6 V. The device provides a positive output configuration with a fixed output voltage of 3.3 V. It features a maximum duty cycle of 100% and utilizes a single output channel. The component is housed in a compact SOT-23-5 package, suitable for surface-mount applications.

DC DC Switching Controllers Feature Summary

Step-down topology with fixed 3.3 V output
High switching frequency for compact external components
100% duty cycle capability for low dropout operation

DC DC Switching Controllers Applications

Battery-powered portable electronics
Low-voltage digital logic power supplies
Embedded system core voltage regulation

DC DC Switching Controllers Procurement Notes

Verify the specific suffix BPST2U against official ABLIC documentation to confirm pinout and thermal characteristics. Confirm availability status as lifecycle changes may affect supply chain stability. Ensure compatibility with existing PCB footprint designs before procurement.

DC DC Switching Controllers Selection Notes

Select this component when a fixed 3.3 V output is required from a 2.5 V to 6 V input source. The 300 kHz frequency allows for smaller inductors compared to lower-frequency alternatives. Verify that the load current requirements are within the controller's driving capabilities for the external switch.

DC DC Switching Controllers Part Context

This part belongs to the S-8521 series of step-down controllers from ABLIC. It is designed for efficient power management in space-constrained environments. The SOT-23-5 package minimizes board area usage while maintaining reliable thermal performance for standard operating conditions.