TPS51123RGET Texas Instruments Integrated Circuit (Other) In Stock

Name: TPS51123RGET
Brand: Texas Instruments
SKU: TPS51123RGET
Availability: InStock

TPS51123RGET is a dual synchronous step-down controller with out-of-audio operation and 100mA LDO, featuring voltage-mode PWM control, 5.5V–28V input range, and adjustable output from 2V to 5.5V. From $1.94 in stock worldwide shipping.

ACTIVEIntegrated CircuitVerified Apr 2026

Package / Visual Reference

TPS51123RGETOther

Quick Facts

Manufacturer: Texas Instruments
Package: Other
Pin Count: 24
Lifecycle: ACTIVE
Datasheet: TPS51123RGET Datasheet PDF
Category: Integrated Circuit
Price: From $1.9380(MOQ 1)
Temp Range: -40.0°C to 85.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of TPS51123RGET?

Dual synchronous step-down controller with out-of-audio operation eliminates audible noise in noise-sensitive notebook applications
Integrated 100mA LDO provides auxiliary power rail for system logic, reducing external component count
Wide input voltage range of 5.5V to 28V supports both 12V and 5V system rails with adjustable output from 2V to 5.5V
Voltage-mode PWM control with precision feedback ensures tight output regulation across load transients
24-pin QFN (VQFN-24) compact package optimized for high-density notebook power supply designs

What is TPS51123RGET used for?

TPS51123RGET is designed for notebook and portable computer power management, providing dual-phase DC-DC conversion for CPU core and memory rails. It is also well-suited for industrial embedded systems and point-of-load power architectures requiring low-noise, high-efficiency step-down regulation with integrated LDO support.

What are the specifications of TPS51123RGET?

Pbfree Code	Yes
YTEOL	15
Additional Feature	ALSO OPERATES AT 5V, OPERATES IN ADJUSTABLE MODE FROM 2V TO 5.5V
Analog IC - Other Type	DUAL SWITCHING CONTROLLER
Control Mode	VOLTAGE-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	28V
Input Voltage-Min	5.5V
Input Voltage-Nom	12V
JESD-30 Code	S-PQCC-N24
JESD-609 Code	e4
Number of Functions	1
Number of Outputs	2
Output Current-Max	20A
Output Voltage-Max	5.5V
Output Voltage-Min	2V
Output Voltage-Nom	3.3V
Package Body Material	PLASTIC/EPOXY
Package Shape	SQUARE
Package Style	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Surface Mount	YES
Switcher Configuration	BUCK
Switching Frequency-Max	460kHz
Technology	BICMOS
Temperature Grade	INDUSTRIAL
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form	NO LEAD
Terminal Pitch	0.5mm
Terminal Position	QUAD
Time@Peak Reflow Temperature-Max (s)	30
Package	Other

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 2
ECCN	EAR99
HTS Code	8542.39.00.90
Country of Origin	Malaysia, Philippines

Where can I find the TPS51123RGET datasheet?

TPS51123RGET Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for TPS51123RGET?

Compatible alternatives and drop-in replacements for TPS51123RGET:

TPS51123RGERTexas Instruments Dual

Switching Controller, Voltage-mode, 20A, 460kHz Switching Freq-Max, BICMOS, PQCC24

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the input voltage range of TPS51123RGET?

The TPS51123RGET operates with an input voltage range of 5.5V to 28V, with a nominal input of 12V. It also supports operation at 5V input, making it compatible with both standard 12V ATX and 5V system rails in notebook and embedded power applications.

What output voltages can the TPS51123RGET regulate to?

The TPS51123RGET features adjustable output voltage operation from 2V to 5.5V per channel, enabling flexible configuration for CPU core, memory, or other system rails. Voltage-mode PWM control ensures accurate and stable output across varying load conditions.

What does the out-of-audio operation feature mean in TPS51123RGET?

Out-of-audio operation means the TPS51123RGET shifts its switching frequency above the audible range (typically above 20kHz) under light-load conditions, preventing coil whine or audible noise. This is critical for quiet notebook environments where acoustic noise must be minimized.

What package does the TPS51123RGET use and where can I buy it?

The TPS51123RGET comes in a 24-pin VQFN (QFN) compact surface-mount package. It is priced from approximately $1.94 and is available worldwide with global shipping. You can submit a quote request to confirm current stock and lead times.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

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AvailabilityIn Stock

Reference Price (USD)

From $1.9380

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$3.8760	$3.88
3+	$3.4000	$10.20
5+	$2.5194	$12.60
21+	$1.9380	$40.70

pcs

Unit price: $3.8760 · Total: $3.88

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”

James Wright

Supply Chain Director, CircuitPro Ltd, UK

TPS51123RGET Texas Instruments Integrated Circuit (Other) In Stock

What are the key features of TPS51123RGET?

What is TPS51123RGET used for?

What are the specifications of TPS51123RGET?

Compliance & Regulatory

Where can I find the TPS51123RGET datasheet?

What are equivalent replacements for TPS51123RGET?

Frequently Asked Questions

What is the input voltage range of TPS51123RGET?

What output voltages can the TPS51123RGET regulate to?

What does the out-of-audio operation feature mean in TPS51123RGET?

What package does the TPS51123RGET use and where can I buy it?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

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