Shenzhen Meiyuxin Technology Co., Ltd. supplies brand new imported LMR14030SQDDARQ1 SIMPLE SWITCHER® with 40uA IQ, automotive 40V, 3.5A 2.2MHz buck converter! ! !

Description

The LMR14030-Q1 is a 40 V, 3.5 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 2 A and 5 A options in pin-to-pin compatible packages, including LMR14020-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 LMR14030-Q1 is available in an 8-pin HSOIC or 10-pin WSON package with exposed pad for low thermal resistance.

Features

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

3.5 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 to2.5 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

Applications

Automotive Battery Regulation

Industrial Power Supplies

Telecom and Datacom Systems

General Purpose Wide Vin Regulation