S-8520C35MC-BRUT2U

$0.43

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

SKU:586477ab8ff8 Category: DC DC Switching Controllers Brand: ABLIC Inc.

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Product introduction

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 ~ 10V
Frequency - Switching：60kHz
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：-

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S-8520C35MC-BRUT2U

Overview

The S-8520C35MC-BRUT2U is a CMOS step-down switching regulator controller from the S-8520 series by ABLIC Inc. It utilizes Pulse Width Modulation (PWM) control to achieve high efficiency and low ripple. The device features a fixed output voltage of 3.5V, an operating frequency of 180kHz, and a maximum duty cycle of 100%. It supports an input supply voltage range of 2.5V to 10V and operates within a temperature range of -40°C to +85°C. Packaged in a compact SOT-23-5 format, it includes built-in error amplifiers and soft-start circuits for stable operation.

Feature Summary

Integrates PWM control circuitry with linearly variable duty ratio up to 100% for precise regulation.
Includes internal error amplifier and dedicated soft-start circuit to prevent startup overshoot.
Designed for external Pch power MOSFET or PNP transistor configurations to form complete step-down converters.

Applications

Battery-powered portable electronic devices requiring efficient voltage regulation.
General-purpose DC-DC conversion systems utilizing external power switches.
Embedded applications needing stable 3.5V output from varying input sources.

Procurement Notes

Verify the specific suffix BRUT2U against official ABLIC documentation to confirm package type and marking details. Ensure compatibility with external component selection for the required current and voltage ratings. Cross-reference the full part number with distributor databases to confirm availability and lead times prior to ordering.

Selection Notes

Select this controller when a fixed 3.5V output is required without external feedback resistor networks. It is suitable for designs prioritizing simplicity and cost-efficiency over adjustable output flexibility. Consider the 180kHz switching frequency for balancing component size and efficiency requirements in space-constrained layouts.

Part Context

This component belongs to the S-8520 series of step-down switching regulator controllers. Unlike the S-8521 series which supports PWM/PFM modes, the S-8520 series strictly employs PWM control. This distinction ensures consistent performance characteristics tailored for applications where linear duty ratio variation is preferred over light-load power saving modes.