TPS5403DR - TI

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

Part No

TPS5403DR
Manufacturer

TI
ChipWorker Part#

CW57957184
Category

DC to DC Converter
Package

SOIC-8
Description

4.5V to 28V Input, 3.3V, 1.7A Output, Non-Synchronous Step-Down Regulator with Integrated MOSFET 8-SOIC -40℃ to 125℃
Documentation

Datasheet

TPS5403DR Global Supplier

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TPS5403DR Specifications

Attribute	Attribute Value

Part Number	TPS5403DR
Manufacturer	TI
ChipWorker Part#	CW57957184
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	3.3 V
Output Current	1.7 A
Quiescent Current	100 µA
Number of Regulated Outputs	1 Output
Switching Frequency	50kHz ~ 1.1MHz
Topology	Buck
Input Voltage (Max)	28 V
Input Voltage (Min)	4.5 V
Output Voltage (Min)	3.3 V
Output Current (Max)	1.7 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Min)	4.5 V
Input Voltage	4.5V ~ 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

Product Description

The TPS5403 is a monolithic non-synchronous buck regulator with wide operating input voltage range from 4.5 V to 28 V. Current mode control with internal slope compensation is implemented to reduce component count.
TPS5403 also features a light load pulse skipping mode, which allows for a power loss reduction from the input power supply to the system at light loading.
The switching frequency of the converters can be set from 50 kHz to 1.1 MHz with an external resistor. Frequency spread spectrum operation is introduced for EMI reduction.
LX anti-ringing is added to address high frequency EMI issues.
A cycle-by-cycle current limit with frequency fold back protects the IC at over loading condition.

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