S-8355Q51MC-OXKT2U

$1.34

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

SKU:44f6acda082b Category: DC DC Switching Controllers Brand: ABLIC Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG CTRLR BOOST SOT23-5
Series：-
Mfr：ABLIC Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Transistor Driver
Function：Step-Up
Output Configuration：Positive
Topology：Boost
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：0.9V ~ 10V
Frequency - Switching：600kHz
Duty Cycle (Max)：85%
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-8355Q51MC-OXKT2U

Overview

The S-8355Q51MC-OXKT2U is a CMOS step-up switching regulator controller from ABLIC Inc., designed for boost DC-DC conversion applications. It operates with an input voltage range of 0.9V to 10V and provides a fixed positive output voltage of 5.1V. The device supports a maximum switch current of 300mA and features a selectable switching frequency between PWM and PWM/PFM modes at 600kHz. It is housed in a compact SOT-23-5 package and functions within a temperature range of -40°C to +85°C.

Feature Summary

Integrates a reference voltage source, oscillation circuit, and error amplifier for precise regulation
Supports selectable PWM or PWM/PFM control modes for optimized efficiency across load ranges
Features a super-small SOT-23-5 package suitable for space-constrained designs

Applications

Portable battery-powered devices requiring step-up voltage conversion
Low-voltage input systems needing stable higher voltage rails
Space-limited consumer electronics utilizing SOT-23-5 packaging

Procurement Notes

Verify the specific suffix OXKT2U against the manufacturer's latest datasheet to confirm pinout compatibility and marking codes. Ensure the ordering quantity aligns with standard reel sizes as specified by ABLIC Inc. Cross-reference the RoHS status and environmental compliance documents prior to final procurement decisions.

Selection Notes

Select this component when a fixed 5.1V output is required from inputs as low as 0.9V. The 600kHz frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the 300mA switch current limit to ensure it meets the peak load requirements of the target application without exceeding thermal limits.

Part Context

This part belongs to the S-8355/56/57/58 series of CMOS step-up switching regulators. These controllers are characterized by their ability to operate from very low input voltages and offer flexible control mode selection. The series is designed for high efficiency and minimal external component count in portable electronic applications.