LMR14020-Q1

Name: LMR14020-Q1
Brand: TI
SKU: LMR14020-Q1
Price: 1.178 USD

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Convertidor reductor SIMPLE SWITCHER® de grado automotriz de 40 V, 2 A, 2,2 MHz con IQ de 40 uA

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document-pdfAcrobat LMR14020-Q1 SIMPLE SWITCHER® 40 V, 2 A Step-Down Converter with 40 µA IQ datasheet (Rev. A) (Inglés) PDF | HTML

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LMR14020-Q1

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Detalles del producto

Iout (max) (A)

2

Vin (min) (V)

4

Vin (max) (V)

40

Topology

Buck

Type

Converter

Switching frequency (min) (kHz)

200

Switching frequency (max) (kHz)

2500

Features

Enable, Frequency synchronization, Light Load Efficiency, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Tracking, UVLO adjustable

Control mode

current mode

Vout (min) (V)

0.8

Vout (max) (V)

28

Rating

Automotive

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.00004

Iout (max) (A)

2

Vin (min) (V)

4

Vin (max) (V)

40

Topology

Buck

Type

Converter

Switching frequency (min) (kHz)

200

Switching frequency (max) (kHz)

2500

Features

Enable, Frequency synchronization, Light Load Efficiency, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Tracking, UVLO adjustable

Control mode

current mode

Vout (min) (V)

0.8

Vout (max) (V)

28

Rating

Automotive

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.00004

HSOIC (DDA)

8

29.4 mm² 4.9 x 6

WSON (DPR)

10

16 mm² 4 x 4

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to 125°C
Ambient Operating Temperature Range
- Device HBM ESD Classification Level H1C
- Device CDM ESD Classification Level C4A
4 V to 40 V Input Range
2 A Continuous Output Current
Ultra-low 40 µA Operating Quiescent Current
90 mΩ High-Side MOSFET
Minimum Switch-On Time: 75 ns
Current Mode Control
Adjustable Switching Frequency from 200 kHz
to 2.5 MHz
Frequency Synchronization to External Clock
Spread Spectrum Option for Reduced EMI
Internal Compensation for Ease of Use
High Duty Cycle Operation Supported
Precision Enable Input
1 µA Shutdown Current
External Soft-start
Thermal, Overvoltage and Short Protection

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to 125°C
Ambient Operating Temperature Range
- Device HBM ESD Classification Level H1C
- Device CDM ESD Classification Level C4A
4 V to 40 V Input Range
2 A Continuous Output Current
Ultra-low 40 µA Operating Quiescent Current
90 mΩ High-Side MOSFET
Minimum Switch-On Time: 75 ns
Current Mode Control
Adjustable Switching Frequency from 200 kHz
to 2.5 MHz
Frequency Synchronization to External Clock
Spread Spectrum Option for Reduced EMI
Internal Compensation for Ease of Use
High Duty Cycle Operation Supported
Precision Enable Input
1 µA Shutdown Current
External Soft-start
Thermal, Overvoltage and Short Protection

The LMR14020-Q1 is a 40 V, 2 A step down regulator with an integrated high-side MOSFET. With a wide input range from 4 V to 40 V, it’s suitable for various applications from industrial to automotive for power conditioning from unregulated sources. An extended family is available in 3.5 A and 5 A options in pin-to-pin compatible packages, including LMR14030-Q1 and LMR14050-Q1. The regulator’s quiescent current is 40 µA in Sleep-mode, which is suitable for battery powered systems. An ultra-low 1 µA current in shutdown mode can further prolong battery life. A wide adjustable switching frequency range allows either efficiency or external component size to be optimized. Internal loop compensation means that the user is free from the tedious task of loop compensation design. This also minimizes the external components of the device. A precision enable input allows simplification of regulator control and system power sequencing. The device also has built-in protection features such as cycle-by-cycle current limit, thermal sensing and shutdown due to excessive power dissipation, and output overvoltage protection.

The LMR14020-Q1 is available in an 8-pin HSOIC or 10-pin WSON package with exposed pad for low thermal resistance.

The LMR14020-Q1 is a 40 V, 2 A step down regulator with an integrated high-side MOSFET. With a wide input range from 4 V to 40 V, it’s suitable for various applications from industrial to automotive for power conditioning from unregulated sources. An extended family is available in 3.5 A and 5 A options in pin-to-pin compatible packages, including LMR14030-Q1 and LMR14050-Q1. The regulator’s quiescent current is 40 µA in Sleep-mode, which is suitable for battery powered systems. An ultra-low 1 µA current in shutdown mode can further prolong battery life. A wide adjustable switching frequency range allows either efficiency or external component size to be optimized. Internal loop compensation means that the user is free from the tedious task of loop compensation design. This also minimizes the external components of the device. A precision enable input allows simplification of regulator control and system power sequencing. The device also has built-in protection features such as cycle-by-cycle current limit, thermal sensing and shutdown due to excessive power dissipation, and output overvoltage protection.

The LMR14020-Q1 is available in an 8-pin HSOIC or 10-pin WSON package with exposed pad for low thermal resistance.

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Documentación técnica

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	Tipo	Título		Fecha
*	Data sheet	LMR14020-Q1 SIMPLE SWITCHER® 40 V, 2 A Step-Down Converter with 40 µA IQ datasheet (Rev. A)	PDF \| HTML	03 feb 2016
	Application note	Design Consideration on Boot Resistor in Buck Converter	PDF \| HTML	15 may 2023
	Application note	Reduce Conducted EMI in Automotive Buck Converter Applications		31 jul 2019
	Application note	How to Evaluate Junction Temperature Properly with Thermal Metrics (Rev. B)		29 mar 2019
	Application note	How SYNC Logic Affects EMI Performance for Dual-Channel Buck Converters		27 abr 2018
	Application note	Low Conducted EMI Power Solution for Automotive Digital Cockpit With LMR14050 an		07 feb 2018
	Application note	Design Feedforward Capacitor for LMR14020		20 dic 2017
	Application note	How to Evaluate the Maximum Inductor in Internal Compensation PCM Buck Converter		20 sep 2017
	EVM User's guide	LMR14020QDPR EVM User Guide		08 feb 2016

Diseño y desarrollo

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