TPS51123RGER - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TPS51123RGER
Manufacturer

TI
ChipWorker Part#

CW38052842
Category

Voltage Regulator
Package

VQFN-24
Description

DC-DC Controller (External Switch) Dual-Synchronous, Step-Down Controller w/ Out-of-Audio Operation, 100mA LDOs for Notebook Sys. Pwr DC DC Cntrlr Dual-OUT Synchronous Step Down Controller/PWM DC to DC Controller 5.5V to 28V Input 24Pin VQFN EP T/R
Documentation

Datasheet

TPS51123RGER Global Supplier

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TPS51123RGER Specifications

Attribute	Attribute Value

Part Number	TPS51123RGER
Manufacturer	TI
ChipWorker Part#	CW38052842
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	VQFN-24
Number of Outputs	4 Output
Output Voltage	2V ~ 5.5V
Power Dissipation	1850 mW
Quiescent Current	550 µA
Number of Regulated Outputs	2 Output
Switching Frequency	460 kHz
Thermal Shutdown	Yes
Topology	Buck
Input Voltage (Max)	28 V
Input Voltage (Min)	5.5 V
Output Current (Max)	20 A
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	1850 mW
Supply Voltage	5.5V ~ 28V
Input Voltage	5.5V ~ 28V
	expand all
Size-Height	0.95 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

DESCRIPTION
The TPS51123 is a cost effective, dual-synchronous buck controller targeted for notebook system power
supply solutions. It provides 5-V and 3.3-V LDOs and requires few external components. The TPS51123
supports high efficiency, fast transient responses and provides a combined power-good signal.
FEATURES
• Wide-Input Voltage Range: 5.5 V to 28 V
• Output Voltage Range: 2 V to 5.5 V
• Built-in 100-mA 5-V/3.3-V LDO with Switches
• Built-in 1% 2-V Reference Output
• With/Without Out-of-Audio™ Mode Selectable Light-Load and PWM only Operation
• Internal 1.6-ms Voltage Servo Softstart
• Adaptive On-Time Control Architecture with Four Selectable Frequency Setting
• 4500 ppm/°C RDS(on) Current Sensing
• Built-In Output Discharge
• Power Good Output
• Built-in OVP/UVP/OCP
• Thermal Shutdown (Non-latch)
• 24-Pin QFN (RGE) Package
APPLICATIONS
• Notebook Computers
• I/O Supplies
• System Power Supplies

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