Low

LMR14050SDDA - 

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 4V-40Vin, 800mV-28Vout, 5Aout, HSOIC-8

LMR14050SDDA - DC-DC Switching Buck (Step Down) Regulator, Adjustable, 4V-40Vin, 800mV-28Vout, 5Aout, HSOIC-8

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Manufacturer Part No:
LMR14050SDDA
Order Code:
2473854
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LMR14050SDDA is a SIMPLE SWITCHER® Step-down Regulator with an integrated high-side MOSFET. The regulator's quiescent current is 40µA in sleep-mode, which is suitable for battery-powered systems. An ultra-low 1µA 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.
  • Current-mode control
  • Frequency synchronization to external clock
  • Internal compensation for ease of use
  • High duty cycle operation supported
  • Precision enable input
  • External soft-start function
  • Thermal, overvoltage and short-circuit protection
  • 90mR High-side MOSFET
  • 75ns Minimum switch-ON time
  • 1µA Shutdown current
  • Green product and no Sb/Br

Applications

Automotive, Industrial, Power Management, Communications & Networking

Product Information

:
Buck (Step Down)
:
4V
:
40V
:
1Outputs
:
HSOIC
:
8Pins
:
5A
:
800mV
:
28V
:
2.2MHz
:
125°C
:
-
:
-
:
Yes
:
MSL 2 - 1 year
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