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LT8471EFE DataSheet

LT8471EFE DataSheet

Part No.
LT8471EFE
Part Marking
LT8471FE
Temperature
–40°C to 125°C
Package
20-Lead Plastic TSSOP
File Size
454 KB
Page
36 Pages
Manufacturer
Linear Technology
Views
1
Upload Time
2022-05-16 14:51:02
Update Time
2022-05-16
Description
IC REG MULT CONFG ADJ DL 20TSSOP
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LT8471EFE Features

■ 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 and 28-Lead QFN Packages

LT8471EFE Applications

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

LT8471EFE Description

LT8471EFE 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.

The LT8471 has an adjustable oscillator, set by a resistor placed from the RT pin to ground. Additionally, the LT8471 can be synchronized to an external clock. The free running or synchronized switching frequency range of the part can be set between 100kHz and 2MHz.

Additional features such as frequency foldback, soft-start, and power good are integrated. The LT8471 is available in 20-lead TSSOP and 28-Lead (4mm × 5mm) QFN packages.

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