LM76003-Q1

Name: LM76003-Q1
Brand: TI
SKU: LM76003-Q1
Price: 2.272 USD

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Synchroner Spannungsregler, 3,5 bis 60 V, 3,5/2,5 A

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Datenblatt

document-pdfAcrobat LM7600x-Q1 3.5-V to 60-V, 2.5-A/3.5-A Synchronous Step-Down Voltage Regulator datasheet (Rev. B) (Englisch) PDF | HTML

LM76003-Q1

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Datenblatt

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Produktdetails

Iout (max) (A)

3.5

Vin (min) (V)

3.5

Vin (max) (V)

60

Topology

Buck

Type

Converter

Switching frequency (min) (kHz)

300

Switching frequency (max) (kHz)

2200

Features

Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, Wettable flanks package

Control mode

current mode

Vout (min) (V)

1

Vout (max) (V)

57

Rating

Automotive

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.000015

Iout (max) (A)

3.5

Vin (min) (V)

3.5

Vin (max) (V)

60

Topology

Buck

Type

Converter

Switching frequency (min) (kHz)

300

Switching frequency (max) (kHz)

2200

Features

Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, Wettable flanks package

Control mode

current mode

Vout (min) (V)

1

Vout (max) (V)

57

Rating

Automotive

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.000015

WQFN (RNP)

30

24 mm² 6 x 4

AEC-Q100 qualified for automotive applications
- Device temperature grade 1: –40°C to +125°C ambient operating temperature
- Device HBM ESD classification level 2
- Device CDM ESD classification level C5
Integrated synchronous rectification
Input voltage 3.5 V to 60 V (65 V maximum)
Output voltage 1 V to 95% V_IN
15-µA Quiescent current in regulation
Wide voltage conversion range
- t_ON-MIN = 65 ns (typical)
- t_OFF-MIN = 95 ns (typical)
System-level features
- Synchronization to external clock
- Power-good flag
- Adjustable soft-start (6.3 ms default)
Pin-selectable FPWM operation
Adjustable frequency range: 300 kHz to 2.2 MHz
High-efficiency at light-load architecture (PFM)
Protection features
- Cycle-by-cycle current limit
- Short-circuit protection with hiccup mode
- Overtemperature thermal shutdown protection
Create a custom design using the LM76002-Q1η/LM76003-Q1 with the WEBENCH^® Power Designer

AEC-Q100 qualified for automotive applications
- Device temperature grade 1: –40°C to +125°C ambient operating temperature
- Device HBM ESD classification level 2
- Device CDM ESD classification level C5
Integrated synchronous rectification
Input voltage 3.5 V to 60 V (65 V maximum)
Output voltage 1 V to 95% V_IN
15-µA Quiescent current in regulation
Wide voltage conversion range
- t_ON-MIN = 65 ns (typical)
- t_OFF-MIN = 95 ns (typical)
System-level features
- Synchronization to external clock
- Power-good flag
- Adjustable soft-start (6.3 ms default)
Pin-selectable FPWM operation
Adjustable frequency range: 300 kHz to 2.2 MHz
High-efficiency at light-load architecture (PFM)
Protection features
- Cycle-by-cycle current limit
- Short-circuit protection with hiccup mode
- Overtemperature thermal shutdown protection
Create a custom design using the LM76002-Q1η/LM76003-Q1 with the WEBENCH^® Power Designer

The LM76002-Q1/LM76003-Q1 regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 2.5 A (LM76002-Q1) or 3.5 A (LM76003-Q1) of load current from an input up to 60 V. The LM76002-Q1/LM76003-Q1 provides exceptional efficiency and output accuracy in a very small solution size. Peak current-mode control is employed. Additional features such as adjustable switching frequency, synchronization, FPWM option, power-good flag, precision enable, adjustable soft start, and tracking provide both flexible and easy-to-use solutions for a wide range of applications. Automatic frequency foldback at light load and optional external bias improve efficiency. This device requires few external components and has a pinout designed for simple PCB layout with best-in-class EMI (CISPR25) and thermal performance. Protection features include input undervoltage lockout, thermal shutdown, cycle-by-cycle current limit, and short-circuit protection. The LM76002-Q1/LM76003-Q1 device is available in the WQFN 30-pin leadless package with wettable flanks.

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Technische Dokumentation

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Alle anzeigen 3

	Typ	Titel		Datum
*	Data sheet	LM7600x-Q1 3.5-V to 60-V, 2.5-A/3.5-A Synchronous Step-Down Voltage Regulator datasheet (Rev. B)	PDF \| HTML	05 Sep 2019
	Technical article	Using DC/DCs buck converters to power modern safety features in commercial vehicle	PDF \| HTML	27 Jul 2020
	Technical article	How to meet European Commission ADAS requirements with TI DC/DC converters	PDF \| HTML	09 Mai 2019

Design und Entwicklung

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Evaluierungsplatine

LM76003EVM-500K — LM76003 Synchron-Abwärts-Spannungswandler von 3,5 V auf 60 V, 2,5 A – Evaluierungsmodul

The LM76003EVM-500K evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LM76003 synchronous step-down converter. The EVM operates from an 3.5V to 60V input and provides a 3.3V or 5V output at 3.5A.

Benutzerhandbuch: PDF