TPS5450DDA - TI

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

Part No

TPS5450DDA
Manufacturer

TI
ChipWorker Part#

CW2445692
Category

DC to DC Converter
Package

HSOP-8
Description

Step-Down Regulator 5.5V to 36V, 5A, 500kHz Step Down SWIFT Converter Conv DC-DC 5.5V to 36V Step Down Single-Out 1.22V to 31V 5A 8Pin HSOP EP Tube
Documentation

Datasheet

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TPS5450DDA Specifications

Attribute	Attribute Value

Part Number	TPS5450DDA
Manufacturer	TI
ChipWorker Part#	CW2445692
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	HSOP-8
Frequency	500 kHz
Number of Outputs	1 Output
Output Voltage	1.22V ~ 31V
Output Current	5 A
Number of Positions	8 Position
Quiescent Current	3.00 mA
Number of Regulated Outputs	1 Output
Switching Frequency	500 kHz
Topology	Buck
Input Voltage (Max)	36 V
Input Voltage (Min)	5.5 V
Output Voltage (Max)	31 V
Output Voltage (Min)	1.22 V
Output Current (Max)	5 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Accuracy	1.5 %
Supply Voltage (Min)	5.5 V
Input Voltage	5.5V ~ 36V
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Size-Length	4.89 mm
Size-Width	3.9 mm
Size-Height	1.48 mm
Operating Temperature	-40℃ ~ 125℃
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 TPS5450DDA is a 5A 500kHz Step-down Converter that integrates a low-resistance, high-side N-channel MOSFET. Included on the substrate with the listed features are a high-performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions, an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 5.5V, an internally set slow-start circuit to limit inrush currents and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18µA typically. Other features include an active-high enable, over-current limiting, over-voltage protection and thermal shutdown. To reduce design complexity and external component count, the TPS5450 feedback loop is internally compensated.
Up to 5A continuous (6A peak) output current
High efficiency greater than 90% enabled by 110mR integrated MOSFET switch
Wide output voltage range (adjustable down to 1.22V with 1.5% initial accuracy)
Internal compensation minimizes external parts count
18µA Shutdown supply current
Improved line regulation and transient response by input voltage feed-forward
System protected by over-current limiting, overvoltage protection and thermal shutdown
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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