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LT1765ES8
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LT1765ES8

  • Category:Switching regulators
  • Product Name:Monolithic 3A, 1.25MHz step-down switching regulator
  • Manufacturers:LINEAR
  • Production Batch Number:09+
  • Encapsulation:SOIC-8
  • Stock Status:There is stock
  • Stock Quantity:8000
  • Minimum order quantity: 1
  • Details:Click here to find a pdf of the LT1765ES8
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  • Product introduction

LT1765ES8 monolithic 3A, 1.25MHz step-down switching regulator

peculiarity

  • 3A switch in thermally enhanced 16-pin TSSOP or 8-pin SO packages
  • 1.25MHz constant switching frequency
  • Wide operating voltage range: 3V to 25V
  • High efficiency 0.09Ω switch
  • 1.2V feedback reference voltage
  • Flat surface mount type components are available
  • Low shutdown current: 15μA
  • Synchronizable to 2MHz
  • Current mode loop control
  • A constant maximum rated switching current is maintained under all duty cycle conditions
  • Available in 8-pin SO and 16-pin thermally enhanced TSSOP packages

description

LT® The 1765 is a 1.25MHz monolithic step-down switching regulator. A high efficiency 3A, 0.09Ω switch is integrated on the chip with all the required control circuitry to form a high frequency, current mode switching regulator. Current-mode control enables fast transient response and excellent loop stability.

The new design approach achieves high efficiency at high switching frequencies over a wide operating voltage range. A low-dropout internal regulator maintains consistent performance over a wide input range, from 24V systems to Li-Ion batteries. An operating supply current of 1mA improves efficiency, especially at lower output currentstargetcondition. Shutdown reduces quiescent current to 15μA. The maximum switch current remains constant under all duty cycle conditions. The synchronization circuit allows an external logic-level signal to increase the internal oscillator frequency to 1.6MHz~2MHz.

The device provides complete cycle-by-cycle current control and thermal shutdown. High-frequency operation reduces input and output filtering components and allows the use of chip inductors.

andLT1765ES8Related ICs are:


Model Manufacturers lot number encapsulation illustrate
LT1765ES8 LINEAR 09+ SOIC-8 Monolithic 3A, 1.25MHz step-down switching regulator

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