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LINEAR TECHNOLOGY  LT3800IFE#PBF  DC/DC Controller, Current Mode, 4V to 20V, 1 Output, Synchronous Buck, 220kHz, TSSOP-16

LINEAR TECHNOLOGY LT3800IFE#PBF
Technical Data Sheet (259.25KB) EN See all Technical Docs

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Product Overview

The LT3800IFE#PBF is a 200kHz fixed frequency high voltage synchronous current-mode step-down Switching Regulator Controller drives standard gate N-channel power MOSFETs and can operate with input voltages from 4 to 60V. An on board regulator provides IC power directly from VIN and provides for output-derived power to minimize VIN quiescent current. MOSFET drivers employ an internal dynamic bootstrap feature, maximizing gate-source "ON" voltages during normal operation for improved operating efficiencies. It incorporates burst mode operation, which reduces no load quiescent current to under 100µA. Light load efficiencies are also improved through a reverse inductor current inhibit, allowing the controller to support discontinuous operation. Both the burst mode operation and the reverse-current inhibit features can be disabled if desired.
  • Adaptive non-overlap circuitry prevents switch shoot-through
  • Reverse inductor current inhibit for discontinuous operation improves efficiency with light loads
  • Output slew rate controlled soft-start with auto-reset
  • Standard gate N-channel power MOSFETs
  • Current limit unaffected by duty cycle
  • Reverse overcurrent protection
  • 100µA No load quiescent current
  • Low 10µA Current shutdown
  • 1% Regulation accuracy

 

Product Information

Supply Voltage Min:
4V
Supply Voltage Max:
20V
No. of Outputs:
1 Output
Duty Cycle (%):
-
Controller IC Case Style:
TSSOP
No. of Pins:
16Pins
Switching Frequency:
220kHz
Topology:
Synchronous Buck (Step Down)
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Packaging:
Cut Tape
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Power Management;
  • Automotive;
  • Communications & Networking;
  • Avionics;
  • Automation & Process Control

Legislation and Environmental

Moisture Sensitivity Level:
MSL 1 - Unlimited
Country of Origin:
United States

Country in which last significant manufacturing process was carried out

RoHS Compliant:
Yes
Tariff No:
85423990
Weight (kg):
.000104

Associated Products