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LT8705EFE#PBF - 

DC/DC Controller, 2.8V to 80V, 1 Output, Synchronous Boost, Synchronous Buck, 400kHz, TSSOP-38

LINEAR TECHNOLOGY LT8705EFE#PBF
LINEAR TECHNOLOGY LT8705EFE#PBF

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Manufacturer Part No:
LT8705EFE#PBF
Order Code:
2356045
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT8705EFE#PBF is a 80V synchronous 4-switch Buck Boost DC/DC Controller operates from input voltages above, below or equal to the output voltage. The part has integrated input current, input voltage, output current and output voltage feedback loops. With a wide 2.8 to 80V input and 1.3 to 80V output range, the LT8705 is compatible with most solar, automotive, telecom and battery-powered systems. The LT8705 includes servo pins to indicate which feedback loops are active. The MODE pin selects among Burst Mode®® operation, discontinuous or continuous conduction mode at light loads. Additional features include a 3.3V/12mA LDO, a synchronizable fixed operating frequency, onboard gate drivers, adjustable UVLO, along with input and output current monitoring with programmable maximum levels.
  • Single inductor allows VIN above, below or equal to regulated VOUT
  • VIN range 2.8 (Need EXTVCC >6.4V) to 80V
  • 1.3 to 80V VOUT range
  • Quad N-channel MOSFET gate drivers
  • Up to 98% efficiency synchronous rectification
  • Input and output current monitor pins
  • 100 to 400kHz Synchronizable fixed frequency
  • Integrated input current, input voltage, output and output voltage feedback loops
  • Clock output usable to monitor die temperature

Applications

Signal Processing, Power Management

Product Information

:
2.8V
:
80V
:
1 Output
:
80%
:
TSSOP
:
38Pins
:
400kHz
:
Synchronous Boost, Synchronous Buck
:
-40°C
:
125°C
:
Cut Tape
:
-
:
-
:
MSL 1 - Unlimited
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More stock available week commencing 08/01/18
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