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2022-09-24 21:48:02
LMR14030SDDAR40uA Quiescent Current 40V, 3.5A 2.2MHz Buck Regulator
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The LMR14030 device is a 40V, 5A step-down regulator with an integrated high-side MOSFET. With a wide input voltage range of 4V to 40V, the device is suitable for power regulation of unregulated power supplies in applications ranging from industrial to automotive. The quiescent current of the regulator in sleep mode is 40µA, making it ideal for battery-powered systems. And an ultra-low 1μA current in shutdown mode further extends battery life. The regulator's wide adjustable switching frequency range enables optimization of efficiency or external component size. Internal loop compensation means that the user does not have to undertake the tedious task of designing loop compensation components. And also to minimize the external component count of the device. A precision enable input simplifies regulator control and system power sequencing. In addition, the device has built-in protection features: cycle-by-cycle current limit protection, thermal sense and thermal shutdown protection against excessive power dissipation, and output overvoltage protection.
characteristic
Input Voltage Range: 4V to 40V
5A continuous output current
40μA ultra-low operating quiescent current
90mΩ High-Side Metal Oxide Semiconductor Field Effect Crystal (MOSFET)
Minimum on-time: 75ns
Current Mode Control
Adjustable Switching Frequency Range: 200kHz to 2.5MHz
Synchronized to external clock frequency
Internal compensation for ease of use
Supports high duty cycle operation
Precision Enable Pin
Shutdown current: 1μA
External soft start
Thermal protection, overvoltage protection and short circuit protection
8-Pin HSOIC PowerPAD Package
Scope of application
Car battery voltage regulation
industrial power
Telecommunications and data communication systems
battery powered system
Price Description