TPS54231D - TI

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

Part No

TPS54231D
Manufacturer

TI
ChipWorker Part#

CW8535430
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 Tube
Documentation

Datasheet

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TPS54231D Specifications

Attribute	Attribute Value

Part Number	TPS54231D
Manufacturer	TI
ChipWorker Part#	CW8535430
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Frequency	570 kHz
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
Supply Voltage (Min)	3.5 V
Input Voltage	3.5V ~ 28V
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Size-Length	4.9 mm
Size-Width	3.91 mm
Size-Height	1.58 mm
Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

Product Description

The TPS54231D is a 2A 570kHz Step-down Converter with Eco-mode™ that 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 under-voltage lockout. An overvoltage transient protection circuit limits voltage overshoots during start-up and transient conditions. A cycle-by-cycle current limit scheme, frequency fold back and thermal shutdown protect the device and the load in the event of an overload condition. The TPS54231 device has been internally optimized to improve thermal performance.
Adjustable output voltage down to 0.8V
Integrated 80mR high-side MOSFET supports up to 2A continuous output current
High efficiency at light loads with a pulse skipping Eco-mode™
1µA Typical shutdown quiescent current
Adjustable slow-start limits inrush currents
Programmable UVLO threshold
Overvoltage transient protection
Cycle-by-cycle current limit, frequency fold back and thermal shutdown protection
Green product and no Sb/Br
This 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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