TPS51125RGER ,DC to DC Converter - TI

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

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189 points

Part No

TPS51125RGER
Manufacturer

TI
ChipWorker Part#

CW8066996
Category

DC to DC Converter
Package

VQFN-24
Description

DC-DC Controller, Out-of-Audio, 5.5V to 28V, 2Outputs, Synchronous Buck, 460kHz, VQFN-24
Documentation

Datasheet
Ships from

Moscow
Наличие

In Stock
Estimated Price

$ 0.46

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TPS51125RGER Specifications

Consulting Engineer >>

Attribute	Attribute Value

Part Number	TPS51125RGER
Manufacturer	TI
ChipWorker Part#	CW8066996
Category	DC to DC Converter
Documentation	Datasheet
Number of Pins	24 Pin
Case/Package	VQFN-24
Supply Voltage (DC)	5.50V (min)
Number of Outputs	2 Output
Output Voltage	2V ~ 5.5V
Output Current	20 A
Number of Positions	24 Position
Power Dissipation	1850 mW
Quiescent Current	550 µA
Number of Regulated Outputs	2 Output
Output Power	1.85 W
Switching Frequency	460 kHz
Thermal Shutdown	Yes
Topology	Buck
Duty Cycle	88 %
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
Supply Voltage (Max)	28 V
Supply Voltage (Min)	5.5 V
Input Voltage	5.5V ~ 28V
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Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

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Product Description

The TPS51125RGER is a dual-synchronous Buck Controller provides 5 and 3.3V LDOs and requires few external components. The 270kHz VCLK output can be used to drive an external charge pump, thus generating gate drive voltage for the load switches without reducing the efficiency of the main converter. The TPS51125 supports high-efficiency, fast-transient response and provides a combined power-good signal. Out-of-audio mode light-load operation enables low acoustic noise at much higher efficiency than conventional forced PWM operation. Adaptive on-time D-CAP control provides convenient and efficient operation. The part operates with supply input voltages ranging from 5.5 to 28V and supports output voltages from 2 to 5.5V.
Built-In 1% 2V reference output with or without Out-of-Audio™ mode selectable
Light-load and PWM-only operation
Internal 1.6ms voltage servo soft-start
Adaptive on-time control architecture with four selectable frequency setting
Built-in output discharge
Powergood output
Built-in OVP/UVP/OCP
Thermal shutdown (non-latch)
4500ppm/°C RDS(on) Current sensing
Green product and no Sb/Br
Device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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