LT8471EFE-PBF Datasheet

Dual Multitopology DC/DC Converters with 2A Switches and Synchronization


The LT®8471 is a dual PWM DC/DC converter containing two internal 2A, 50V switches and an additional 500mA switch to facilitate step-down and inverting conversion. Each 2A channel can be independently configured as a buck, boost, SEPIC, flyback or inverting converter. Capable of generating positive and negative outputs from a single input rail, the LT8471 is ideal for many local power supply designs.

■ Dual 2A and One 500mA, 50V Internal Power
   Switch Channels
■ 2A Primary Channels Can Be Buck, Boost, SEPIC,
   ZETA, Flyback or Inverting DC/DC Converter
■ 500mA Skyhook Channel Efficiently Generates
   Boosted Input Voltage
■ Wide Input Voltage Range of 2.6V to 50V
■ UVLO and OVLO Programmable on OV/UV Pin
■ Soft-Start Programmable for Each Channel
■ Fixed Frequency PWM (Set by RT Pin or
   Synchronized to External Clock)
■ Anti-Phase Switching Reduces Input Ripple
■ 20-Lead TSSOP Package

■ Dual Rail Power for Signal Chain.
■ Buck/Buck, Buck/Boost, Boost/Boost, Boost/Invert,
   Invert/Invert, Buck/Invert



Manufacturer information


 Linear Technology Corporation designs, manufactures and markets a broad line of standard high performance integrated circuits. Applications for the Company's products include telecommunications, cellular telephones, networking products, notebook and desktop computers, video/multimedia, industrial instrumentation, automotive electronics, factory automation, process control, and military and space systems. The Company's principal product categories include amplifiers, battery management, data converters, high frequency, interface, voltage regulators and voltage references

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