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SGM2203-5.0YK3G/TR

5.0V fixed LDO, 300mA, SOT-89, high PSRR

9980

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Manufacturer Part：

SGM2203-5.0YK3G/TR

Package：

SOT-89

Brand：

Sgmicro

Product Categories：

Integrated Circuits ICs

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Description

Product Overview

The SGM2203-5.0YK3G/TR from SG Micro is a 5.0V fixed-output LDO regulator capable of 300 mA output with 500 mV dropout. It features high PSRR (70 dB) and wide input range up to 18V, suitable for post-regulation in industrial and consumer applications.

Key Specifications

Function	5.0V fixed LDO regulator
Output Voltage	5.0V
Output Current	300 mA
Dropout Voltage	500 mV at 300 mA
PSRR	70 dB at 1 kHz
Supply Voltage	Up to 18V
Package	SOT-89 (4.5×2.5mm)

Working Principle

PMOS pass element provides low dropout voltage. Error amplifier compares a divided sample of the output against an internal bandgap reference (1.2V), driving the pass gate to regulate output. Current limit and thermal shutdown protect against fault conditions. High PSRR makes it effective for noise-sensitive analog rails.

Applications

Post-regulation for analog rails
Industrial sensor power
Consumer electronics
Battery-powered device

Product Introduction:SGM2203-5.0YK3G/TR Product Introduction

The SGM2203-5.0YK3G/TR from SG Micro is a 5.0V fixed-output LDO regulator capable of 300 mA output with 500 mV dropout. It features high PSRR (70 dB) and wide input range up to 18V, suitable for post-regulation in industrial and consumer applications.

Working Principle:SGM2203-5.0YK3G/TR Working Principle

PMOS pass element provides low dropout voltage. Error amplifier compares a divided sample of the output against an internal bandgap reference (1.2V), driving the pass gate to regulate output. Current limit and thermal shutdown protect against fault conditions. High PSRR makes it effective for noise-sensitive analog rails.

Pin Description:SGM2203-5.0YK3G/TR Pin Definition and Functions

Pin	Name	Description
1	GND	Ground
2	VIN	Input voltage
3	VOUT	5.0V output

Application Scenarios:In which products and applications isSGM2203-5.0YK3G/TR used

Post-regulation for analog rails
Industrial sensor power
Consumer electronics
Battery-powered device

Alternative Models:What chips are recommended as replacements for SGM2203-5.0YK3G/TR

Model	Manufacturer	Key Difference
AMS1117-5.0	AMS	Higher current (1A)

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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

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2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

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Contact Information

Email: info@ic-vendor.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

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Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

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We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

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All components are packed separately to avoid damage caused by friction and collision;
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We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China