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SIMPLE SWITCHER®, 36V 2.5A Synchronous Step-Down Converter


Package | PIN: DDA | 8
Temp: Q (-40 to 125)
Carrier: Cut Tape
Qty Price
1-9 $2.86
10-24 $2.58
25-99 $2.40
100-249 $2.10
250-499 $1.97
500-749 $1.68
750-999 $1.41
1000+ $1.35


  • 4-V to 36-V Input Range
  • 2.5-A Continuous Output Current
  • Integrated Synchronous Rectification
  • Current Mode Control
  • Minimum Switch ON Time: 60 ns
  • 2.1-MHz Switching Frequency With PFM and Forced-PWM-Mode Options (HSOIC)
  • 2.1-MHz Switching Frequency With Forced-PWM Mode Only (WSON)
  • Frequency Synchronization to External Clock
  • Internal Compensation for Ease of Use
  • 75-µA Quiescent Current at No Load
  • Soft Start into a Prebiased Load
  • High Duty-Cycle Operation Supported
  • Precision Enable Input
  • Output Short-Circuit Protection With Hiccup Mode
  • Thermal Protection
  • 8-Pin HSOIC With PowerPAD™ Package
  • 12-Pin WSON Wettable Flanks Package with PowerPAD™
  • Create a Custom Design Using the LMR23625 With the WEBENCH® Power Designer

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Texas Instruments  LMR23625CFDDAR

The LMR23625 SIMPLE SWITCHER® is aneasy-to-use 36-V, 2.5-A synchronous step-down regulator. With a wide input range from 4 V to 36 V,the device is suitable for various industrial application for power conditioning from unregulatedsources. Peak current-mode control is employed to achieve simple control-loop compensation andcycle-by-cycle current limiting. A quiescent current of 75 µA makes it suitable for battery-poweredsystems. An ultra-low 2 µA shutdown current can further prolong battery life. Internal loopcompensation means that the user is free from the tedious task of loop compensation design. Thisalso minimizes the external components. The device has an option for fixed-frequency FPWM mode toachieve small output-voltage ripple at light load. An extended family for HSOIC is available in 1-A(LMR23610) and 3-A (LMR23630) load current options in pin-to-pin compatible packages which allowssimple, optimum PCB layout. A precision enable input allows simplification of regulator control andsystem power sequencing. Protection features include cycle-by-cycle current limit, hiccup-modeshort-circuit protection and thermal shutdown due to excessive power dissipation.