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LINEAR TECHNOLOGY  LTC3371IFE#PBF  DC/DC Switching Regulator, Synchronous, 4 Output, 2.7 V - 5.5 V in, 5.5 V/2 A out, 2 MHz, TSSOP-38

LINEAR TECHNOLOGY LTC3371IFE#PBF
Technical Data Sheet (1.10MB) EN See all Technical Docs

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Product Overview

The LTC3371IFE#PBF is a 4-channel 8A configurable buck DC/DC Converter with watchdog and power-ON reset. This highly flexible multioutput power supply IC includes four synchronous buck converters, configured to share eight 1A power stages, each of which is powered from independent 2.25 to 5.5V inputs. It is assigned to one of eight possible power configurations via pin programmable C1-C3 pins. The common buck switching frequency may be programmed with an external resistor, synchronized to an external oscillator or set to a default internal 2MHz clock. The operating mode for all DC/DCs may be programmed for Burst Mode or forced continuous mode operation. The CT pin programs the timing parameters of four independent RST pins as well as the watchdog timer. To reduce input noise, the buck converters are phased in 90° steps. Precision enable pin thresholds facilitate reliable power sequencing.
  • Precision enable pin thresholds for autonomous sequencing
  • Temperature monitor indicates die temperature
  • CT Programmed watchdog timer
  • Independent RST pins indicate buck in regulation

 

Product Information

Input Voltage Min:
2.7V
Input Voltage Max:
5.5V
No. of Outputs:
4 Output
DC / DC Converter IC Case:
TSSOP
No. of Pins:
38Pins
Output Current - Output 1:
2A
Output Current - Output 2:
2A
Output Voltage - Output 1:
5.5V
Output Voltage - Output 2:
5.5V
Regulator Output Type:
Adjustable
Switching Frequency:
2MHz
Topology:
Synchronous Buck (Step Down)
Operating Temperature Max:
125°C
Packaging:
Cut Tape
Product Range:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Automotive;
  • Industrial;
  • Power Management

Legislation and Environmental

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

Substitutes