TPS54231DR - TI

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

Part No

TPS54231DR
Manufacturer

TI
ChipWorker Part#

CW1571469
Category

DC to DC Converter
Package

SOIC-8
Description

Step-Down Regulator 2A, 28V Input, 570kHz Step Down SWIFT DC-DC Converter with Eco-Mode Conv DC-DC 3.5V to 28V Step Down Single-Out 0.8V to 25V 2A 8Pin SOIC T/R
Documentation

Datasheet

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TPS54231DR Specifications

Attribute	Attribute Value

Part Number	TPS54231DR
Manufacturer	TI
ChipWorker Part#	CW1571469
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Number of Outputs	1 Output
Output Voltage	0.8V ~ 25V
Output Current	2 A
Number of Positions	8 Position
Quiescent Current	75.0 µA
Number of Regulated Outputs	1 Output
Switching Frequency	570 kHz
Thermal Shutdown	Yes
Topology	Buck
Input Voltage (Max)	28 V
Input Voltage (Min)	3.5 V
Output Voltage (Max)	25 V
Output Voltage (Min)	800 mV
Output Current (Max)	2 A
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	3.5 V
Input Voltage	3.5V ~ 28V
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Size-Width	3.91 mm
Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
HK STC License	NLR

Product Description

The TPS54231DR is a non-synchronous Buck Converter integrates a low RDS(on) high-side MOSFET. To increase efficiency at light loads, a pulse skipping Eco-mode™ feature is automatically activated. Furthermore, the 1µA shutdown supply current allows the device to be used in battery-powered applications. Current-mode control with internal slope compensation simplifies the external compensation calculations and reduces component count while allowing the use of ceramic output capacitors. A resistor divider programs the hysteresis of the input undervoltage lockout. An overvoltage transient protection circuit limits voltage overshoots during startup and transient conditions. A cycle-by-cycle current limit scheme, frequency foldback and thermal shutdown protect the device and the load in the event of an overload condition.
High efficiency at light loads with a pulse skipping Eco-mode™
Adjustable slow-start limits inrush current
Programmable UVLO threshold
Overvoltage transient protection
Cycle-by-cycle current limit, frequency fold back and thermal shutdown protection
Supported by WEBENCH® software tool
Integrated 80mR high-side MOSFET supports up to 2A continuous output current
1µA Typical shutdown quiescent current
Green product and no Sb/Br

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