TPS51125ARGER - TI

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

Part No

TPS51125ARGER
Manufacturer

TI
ChipWorker Part#

CW65462506
Category

Voltage Regulator
Package

VQFN-24
Description

DC-DC Controller (External Switch) Dual-Synchronous, Step-Down Controller with Out-of-Audio Operation and 100mA LDOs DC DC Cntrlr Dual-OUT Sync Step Down 5.5V to 28V Input 24Pin VQFN EP T/R
Documentation

Datasheet

TPS51125ARGER Global Supplier

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TPS51125ARGER Specifications

Attribute	Attribute Value

Part Number	TPS51125ARGER
Manufacturer	TI
ChipWorker Part#	CW65462506
Category	Voltage Regulator
Documentation	Datasheet
Number of Pins	24 Pin
Case/Package	VQFN-24
Number of Outputs	2 Output
Output Voltage	2V ~ 5.5V
Power Dissipation	1850 mW
Quiescent Current	550 µA
Number of Regulated Outputs	2 Output
Thermal Shutdown	Yes
Topology	Buck
Duty Cycle	93 %
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
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
HK STC License	NLR

Product Description

DESCRIPTION
The TPS51125A 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 270-kHz VCLK output can be used to drive an external charge pump, generating gate drive voltage for the load switches without reducing the main converter’s efficiency.
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 R
DS(on)
Current Sensing
• Built-In Output Discharge
• Power Good Output
• Built-in OVP/UVP/OCP
• Thermal Shutdown (Non-latch)
• QFN24 (RGE)

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- Anti-vibration foam
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