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LINEAR TECHNOLOGY  LT3431IFE#PBF  DC-DC Switching Buck (Step Down) Regulator, Adjustable, 5.5V-60Vin, 1.22V-48Vout, 2.75Aout, TSSOP-16

LINEAR TECHNOLOGY LT3431IFE#PBF
Manufacturer Part No:
LT3431IFE#PBF
Order Code:
2115862
Technical Datasheet:
See all Technical Docs

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

Product Overview

The LT3431IFE#PBF is a monolithic buck Switching Regulator accepts input voltage up to 60V. A high efficiency 3A, 0.1R switch is included on the die along with all the necessary oscillator, control and logic circuitry. A current-mode architecture provides fast transient response and good loop stability. Special design techniques and a new high voltage process achieve high efficiency over a wide input range. Efficiency is maintained over a wide output current range by using the output to bias the circuitry and by utilizing a supply boost capacitor to saturate the power switch. Patented circuitry maintains peak switch current over the full duty cycle range. A shutdown pin reduces supply current to 30µA and the device can be externally synchronized from 580 to 700kHz with logic level inputs.
  • Peak switch current maintained over full duty cycle range
  • Easily synchronizable
  • Cycle-by-cycle current limiting
  • 0.1R Saturating switch design
  • 2.5mA Effective supply current
  • 1.2V Feedback reference voltage

Product Information

Topology:
Buck (Step Down)
Input Voltage Min:
5.5V
Input Voltage Max:
60V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
TSSOP
No. of Pins:
16Pins
Output Current:
2.75A
Output Voltage Min:
1.22V
Output Voltage Max:
48V
Switching Frequency:
570kHz
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

  • Industrial
  • Automotive
  • Computers & Computer Peripherals
  • Power Management

Legislation and Environmental

Country of Origin:
United States

Country in which last significant manufacturing process was carried out

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