TPS5402DR - TI

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

Part No

TPS5402DR
Manufacturer

TI
ChipWorker Part#

CW12524953
Category

DC to DC Converter
Package

SOIC-8
Description

Conv DC-DC 3.5V to 28V Step Down Single-Out 0.8V to 26V 1.7A 8Pin SOIC T/R
Documentation

Datasheet

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TPS5402DR Specifications

Attribute	Attribute Value

Part Number	TPS5402DR
Manufacturer	TI
ChipWorker Part#	CW12524953
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 ~ 26V
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)	3.5 V
Output Voltage (Max)	26.04 V
Output Voltage (Min)	0.8 V
Output Current (Max)	1.7 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Min)	3.5 V
Input Voltage	3.5V ~ 28V
	expand all
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

DESCRIPTION
The TPS5402 is a monolithic non-synchronous buck regulator with wide operating input voltage range from 3.5 V to 28 V. Current mode control with internal slope compensation is implemented to reduce component count. TPS5402 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.
A cycle-by-cycle current limit with frequency fold back protects the IC at over loading condition.
FEATURES
• 3.5-V to 28-V Wide Input Voltage Range
• Up to 1.7-A Maximum Continuous Output Loading Current
• Pulse Skipping Mode to Achieve High Light Load Efficiency
• High Light Load Efficiency
• Frequency Spread Spectrum to Reduce EMI
• Adjustable 50-kHz to 1.1-MHz Switching
Frequency Set by an External Resistor
(Leave pin ROSC floating. Set frequency to
120 kHz and ground connection to 70 kHz)
• Frequency Spread Spectrum to Ease EMI Issue
• Peak Current-Mode Control
• Cycle-by-Cycle Over Current Protection
• External Soft Start
• Available in SOIC8 Package
APPLICATIONS
• 5-V, 9-V, 12-V and 24-V Distributed Power Systems
• Consumer Applications Such as Home Appliances, Set-Top Boxes, CPE Equipment, LCD Displays, Peripherals, and Battery Chargers
• Industrial and Car Entertainment Power Supplies

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