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Home Products Integrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching Regulators~~LM43603AQPWPRQ1~~

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LM43603AQPWPRQ1 - Texas Instruments

Manufacturer Part Number: LM43603AQPWPRQ1

Manufacturer: Texas Instruments

Allelco Part Number: 32D-LM43603AQPWPRQ1

ECAD Model

Parts Description: IC REG BUCK ADJ 3A 16HTSSOP

Detailed Description

Package: 16-PowerTSSOP (0.173", 4.40mm Width)

Data sheet: LM43603-Q1 Datasheet.pdf

RoHs Status: ROHS3 Compliant

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In stock: 11548

Specifications

LM43603AQPWPRQ1 Tech Specifications
Texas Instruments - LM43603AQPWPRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM43603AQPWPRQ1

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
Voltage - Output (Min/Fixed)	1V
Voltage - Output (Max)	28V
Voltage - Input (Min)	3.5V
Voltage - Input (Max)	36V
Topology	Buck
Synchronous Rectifier	Yes
Supplier Device Package	16-HTSSOP
Series	Automotive, AEC-Q100, SIMPLE SWITCHER®
Package / Case	16-PowerTSSOP (0.173", 4.40mm Width)

Product Attribute	Attribute Value
Package	Tape & Reel (TR)
Output Type	Adjustable
Output Configuration	Positive
Operating Temperature	-40°C ~ 125°C (TJ)
Number of Outputs	1
Mounting Type	Surface Mount
Function	Step-Down
Frequency - Switching	200kHz ~ 2.2MHz
Current - Output	3A
Base Product Number	LM43603

Parts Introduction

Manufacturer Part Number

LM43603AQPWPRQ1

Manufacturer

Texas Instruments

Introduction

Automotive grade high-efficiency synchronous step-down DC-DC regulator

Product Features and Performance

Wide input voltage range: 3.5V to 36V

Adjustable output voltage from 1V to 28V

Output current capability up to 3A

Flexible switching frequency: 200kHz to 2.2MHz

Integrated synchronous rectifier for improved efficiency

Thermal shutdown protection and overcurrent protection

Stable with low ESR output capacitors

Compatible with ceramic, tantalum, and aluminum electrolytic capacitors

Simple external components for design flexibility

SIMPLE SWITCHER® series reliability

Product Advantages

High-efficiency power conversion

Robust design suitable for automotive applications

Meets AEC-Q100 automotive qualification standards

Minimal external components required

Thermal and overcurrent protection for enhanced safety

Compliant with stringent automotive industry requirements

Key Technical Parameters

Input voltage range: 3.5V to 36V

Adjustable output voltage: 1V to 28V

Output current: 3A

Switching frequency: 200kHz to 2.2MHz

Operating temperature range: -40°C to 125°C

Automotive grade, AEC-Q100 qualified

16-PowerTSSOP package for surface mount

Quality and Safety Features

Thermal shutdown protection

Overcurrent protection

Under voltage lockout

Cycle-by-cycle current limit

Automotive-grade reliability and performance

Compatibility

Compatible with ceramic, tantalum, and aluminum electrolytic capacitors

Surface mount compatibility with 16-HTSSOP package

Application Areas

Automotive electronics

Power supplies for sensors, microcontrollers, and digital ICs

Infotainment systems

Advanced driver assistance systems (ADAS)

Product Lifecycle

Active product status

Not currently nearing discontinuation

Replacements or upgrades should be available if needed

Several Key Reasons to Choose This Product

Wide voltage range catering to various automotive and industrial applications

Flexible design options with adjustable output and switching frequency

High efficiency and power density

Reliable operation in harsh automotive environments

Texas Instruments' renowned quality and support

Ease of use with minimal external component requirements

Comprehensive protection features safeguarding end application

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LM43603AQPWPRQ1

Product Attribute
Part Number	LM43603AQPWPRQ1	LM43603DSUR	LM43601PWPT	LM43602DSUT
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Series	Automotive, AEC-Q100, SIMPLE SWITCHER®	SIMPLE SWITCHER®	SIMPLE SWITCHER®	SIMPLE SWITCHER®
Voltage - Input (Min)	3.5V	3.5V	3.5V	3.5V
Voltage - Output (Max)	28V	28V	28V	28V
Mounting Type	Surface Mount	Surface Mount, Wettable Flank	Surface Mount	Surface Mount, Wettable Flank
Synchronous Rectifier	Yes	Yes	Yes	Yes
Topology	Buck	Buck	Buck	Buck
Operating Temperature	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)
Output Configuration	Positive	Positive	Positive	Positive
Supplier Device Package	16-HTSSOP	16-SON (4x5)	16-HTSSOP	16-SON (4x5)
Frequency - Switching	200kHz ~ 2.2MHz	200kHz ~ 2.2MHz	200kHz ~ 2.2MHz	200kHz ~ 2.2MHz
Number of Outputs	1	1	1	1
Voltage - Input (Max)	36V	36V	36V	36V
Voltage - Output (Min/Fixed)	1V	1V	1V	1V
Package	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
Function	Step-Down	Step-Down	Step-Down	Step-Down
Current - Output	3A	3A	1A	2A
Package / Case	16-PowerTSSOP (0.173", 4.40mm Width)	16-VFDFN Exposed Pad	16-PowerTSSOP (0.173', 4.40mm Width)	16-VFDFN Exposed Pad
Output Type	Adjustable	Adjustable	Adjustable	Adjustable
Base Product Number	LM43603	LM43603	LM43601	LM43602

LM43603AQPWPRQ1 Datasheet PDF

Download LM43603AQPWPRQ1 pdf datasheets and Texas Instruments documentation for LM43603AQPWPRQ1 - Texas Instruments.

PCN Design/Specification: Design 22/Feb/2022.pdf
PCN Packaging: Symbolization Update 14/Feb/2023.pdf
HTML Datasheet: LM43603-Q1 Datasheet.pdf
PCN Assembly/Origin: LM436 16/Nov/2017.pdf

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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Delivery Method

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Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

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