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LINEAR TECHNOLOGY  LT8310MPFE#PBF  DC/DC Controller, 6V to 100V, 1 Output, Buck, 500kHz, TSSOP-20

LINEAR TECHNOLOGY LT8310MPFE#PBF
Technical Data Sheet (419.82KB) EN See all Technical Docs

Image is for illustrative purposes only. Please refer to product description.

Product Overview

The LT8310MPFE#PBF is a resonant reset Forward Converter Controller drives the gate of a low side N-channel MOSFET from an internally regulated 10V supply. It features duty mode control that generates a stable, regulated, isolated output using a single power transformer. With the addition of output voltage feedback, via opto-coupler (isolated) or directly wired (non-isolated), current-mode regulation is activated, improving output accuracy and load response. The flexibility to choose transformer turns ratio makes high step-down or step-up ratios possible without operating at duty cycle extremes. The user can program the switching frequency from 100 to 500kHz to optimize efficiency, performance or external component size. A synchronous output is available for controlling secondary side synchronous rectification to improve efficiency. User programmable protection features include monitors on input voltage (UVLO and OVLO) and switch current (overcurrent limit).
  • Duty mode control regulates an isolated output without an opto
  • High efficiency synchronous control
  • Short-circuit (Hiccup Mode) overcurrent protection
  • Programmable OVLO and UVLO with hysteresis
  • Synchronizable to an external clock
  • Positive or negative polarity output voltage feedback with a single FBX pin
  • Programmable soft-start

 

Product Information

Supply Voltage Min:
6V
Supply Voltage Max:
100V
No. of Outputs:
No. of Outputs:
1 Output
Duty Cycle (%):
78%
Controller IC Case Style:
TSSOP
No. of Pins:
20Pins
Switching Frequency:
500kHz
Topology:
Buck (Step Down)
Operating Temperature Min:
-55°C
Operating Temperature Max:
150°C
Packaging:
Cut Tape
Product Range:
-
Automotive Qualifications Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Industrial;
  • Automotive;
  • Defence, Military & Aerospace;
  • Power Management;
  • Communications & Networking

Legislation and Environmental

Moisture Sensitivity Level:
MSL 1 - Unlimited
Product Traceability
RoHS Compliant:
Yes
Authorized Distributor

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