TPS54228DDA - TI

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

Part No

TPS54228DDA
Manufacturer

TI
ChipWorker Part#

CW69455030
Category

DC to DC Converter
Package

HSOP-8
Description

Conv DC-DC 4.5V to 18V Step Down Single-Out 0.76V to 7V 2A 8Pin HSOP EP Tube
Documentation

Datasheet

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TPS54228DDA Specifications

Attribute	Attribute Value

Part Number	TPS54228DDA
Manufacturer	TI
ChipWorker Part#	CW69455030
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	HSOP-8
Number of Outputs	1 Output
Output Voltage	0.76V ~ 7V
Output Current	2 A
Number of Positions	8 Position
Quiescent Current	800 µA
Number of Regulated Outputs	1 Output
Switching Frequency	700 kHz
Topology	Buck
Input Voltage (Max)	18 V
Input Voltage (Min)	4.5 V
Output Voltage (Max)	7 V
Output Voltage (Min)	760 mV
Output Current (Max)	2 A
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	40 ℃
Input Voltage	4.5V ~ 18V
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Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Bulk
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15

Product Description

The TPS54228 device is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54228 enables system designers to complete the suite of various end-equipment power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54228 uses the D-CAP2™ mode control that provides a fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and Eco-Mode™ operation at light loads. Eco-Mode™ allows the TPS54228 to maintain high efficiency during lighter load conditions. The TPS54228 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V VIN input. The output voltage can be programmed between 0.76 V and 7 V. The device also features an adjustable soft start time. The TPS54228 is available in 8-pin SO , 8-pin SOIC, and 10-pin VSON packages, and is designed to operate over the ambient temperature range of –40°C to 85°C.

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