LMR14020-Q1 - 具有 40μA IQ 的汽车类 40V、2A SIMPLE SWITCHER、2.2MHz 降压稳压器

LMR14020-Q1是TI德州仪器公司的一款转换器（集成开关）产品，LMR14020-Q1是具有 40μA IQ 的汽车类 40V、2A SIMPLE SWITCHER、2.2MHz 降压稳压器，本站介绍了LMR14020-Q1的封装应用图解、特点和优点、功能等，并给出了与LMR14020-Q1相关的TI元器件型号供参考。

LMR14020-Q1 - 具有 40μA IQ 的汽车类 40V、2A SIMPLE SWITCHER、2.2MHz 降压稳压器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性

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
8-Pin HSOIC with PowerPAD™ Package

产品应用

Automotive Battery Regulation
Industrial Power Supplies
Telecom and Datacom Systems
General Purpose Wide Vin Regulation

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产品说明

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. 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 package with exposed pad for low thermal resistance

Device Information (1)

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LMR14020SQDDARQ1	HSOIC (8)	4.89 mm x 3.90 mm
LMR14020SSQDDARQ1 (Spread Spectrum)	HSOIC (8)	4.89 mm x 3.90 mm

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