TPS71533DCKR Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock

Name: TPS71533DCKR
Brand: Texas Instruments
SKU: TPS71533DCKR
Availability: InStock

TPS71533DCKR is a 3.3V fixed low dropout (LDO) voltage regulator with 50mA output current and 0.75V max dropout voltage. Accepts 4.3V to 24V input with ±4% accuracy. From $0.29, in stock, worldwide shipping.

ACTIVEIntegrated CircuitVerified May 2026

Package / Visual Reference

TPS71533DCKRSOT23 (5-Pin)

Quick Facts

Manufacturer: Texas Instruments
Package: SOT23 (5-Pin)
Pin Count: 5
Lifecycle: ACTIVE
Datasheet: TPS71533DCKR Datasheet PDF
Category: Integrated Circuit
Price: From $0.2937(MOQ 25)
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of TPS71533DCKR?

3.3V fixed output with ±4% accuracy — ideal for precision low-voltage rails
Ultra-low 50mA quiescent current and 0.415V typical dropout voltage for battery-powered designs
Wide 4.3V to 24V input range in a compact 5-pin SC-70/SOT-323 package
Built-in thermal shutdown and current limiting for robust system protection

What is TPS71533DCKR used for?

The TPS71533DCKR is well suited for portable and battery-powered consumer electronics where low dropout and small footprint are critical. Its wide input voltage range makes it ideal for post-regulator applications in industrial sensors, wearables, and IoT modules. The device also fits handheld instruments and microcontroller power supplies that require a stable 3.3V rail from varying input sources.

What are the specifications of TPS71533DCKR?

Pbfree Code	Yes
Manufacturer Package Code	SOT323
YTEOL	15
Adjustability	FIXED
Dropout Voltage1-Max	0.75V
Dropout Voltage1-Nom	0.415V
Input Voltage Absolute-Max	24V
Input Voltage-Max	24V
Input Voltage-Min	4.3V
JESD-30 Code	R-PDSO-G5
JESD-609 Code	e4
Line Regulation-Max	0.06%
Load Regulation-Max	0.022%
Number of Functions	1
Number of Outputs	1
Operating Temperature TJ-Max	125°C
Operating Temperature TJ-Min	-40 °C
Output Current1-Max	0.05A
Output Voltage1-Max	3.432V
Output Voltage1-Min	3.168V
Output Voltage1-Nom	3.3V
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	TSSOP5/6,.08
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Packing Method	TR, 7 INCH
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Regulator Type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Surface Mount	YES
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form	GULL WING
Terminal Pitch	0.65mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Voltage Tolerance-Max	4%
## TPS71533DCKR Alternates Showing results	Image
Package	SOT23 (5-Pin)

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.90
Country of Origin	Mainland China, Thailand

Where can I find the TPS71533DCKR datasheet?

TPS71533DCKR Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for TPS71533DCKR?

Compatible alternatives and drop-in replacements for TPS71533DCKR:

suggested

suggested

suggested

TPS71533DCKRG4Texas Instruments

Fixed Positive LDO Regulator, 3.3V, 0.75V Dropout, PDSO5

View Part →

TPS71533QDCKRQ1Texas Instruments

Fixed Positive LDO Regulator, 3.3V, 0.75V Dropout, CMOS, PDSO5

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the output voltage and current rating of the TPS71533DCKR?

The TPS71533DCKR is a fixed 3.3V LDO voltage regulator with a maximum output current of 50mA. It features a typical dropout voltage of 0.415V and a maximum of 0.75V, making it suitable for low-power applications.

What is the input voltage range for the TPS71533DCKR?

The TPS71533DCKR accepts an input voltage ranging from 4.3V to 24V, offering flexibility for use in a wide variety of power supply designs including battery-powered and wall-adapter systems.

What package does the TPS71533DCKR come in?

The TPS71533DCKR is available in a SOT23 5-pin (SOT323) surface-mount package, which is compact and well-suited for space-constrained PCB designs in portable and handheld electronics.

Is the TPS71533DCKR RoHS compliant?

Yes, the TPS71533DCKR is lead-free (Pb-free) and RoHS compliant, as indicated by its Pbfree Code. It is suitable for use in environmentally regulated applications and modern electronics manufacturing.

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.

Aug 6, 2026

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.

Aug 6, 2026

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.

Aug 4, 2026

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.

Aug 4, 2026

Why Buy from FindMyChip

Authorized Source

Verified supply chain with full traceability & inspection

Competitive Pricing

Factory-direct from China distributors, low MOQ

Fast Shipping

DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide

Quality Guaranteed

30-day replacement for defective parts, no questions asked

About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

View all Texas Instruments parts →

More from Texas Instruments

SN74HC138PWT

Small Outline Packages

Integrated Circuit

MCP6292IDGKT

Small Outline Packages

Integrated Circuit

CD4511BMN

Dual-In-Line Packages

Integrated Circuit

UCC2803DG4

Small Outline Packages

Integrated Circuit

MC33078DRE4

Small Outline Packages

Integrated Circuit

TLV6710DDCT

SOT23 (6-Pin)

Integrated Circuit

AvailabilityIn Stock

Reference Price (USD)

From $0.2937

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
25+	$0.4488	$11.22
100+	$0.3972	$39.72
250+	$0.3340	$83.50
15000+	$0.3049	$4573.50
21000+	$0.2992	$6283.20
30000+	$0.2937	$8811.00

pcs

Unit price: $0.4488 · Total: $11.22

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”

James Wright

Supply Chain Director, CircuitPro Ltd, UK

TPS71533DCKR Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock

What are the key features of TPS71533DCKR?

What is TPS71533DCKR used for?

What are the specifications of TPS71533DCKR?

Compliance & Regulatory

Where can I find the TPS71533DCKR datasheet?

What are equivalent replacements for TPS71533DCKR?

Frequently Asked Questions

What is the output voltage and current rating of the TPS71533DCKR?

What is the input voltage range for the TPS71533DCKR?

What package does the TPS71533DCKR come in?

Is the TPS71533DCKR RoHS compliant?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

You May Also Like