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LINEAR TECHNOLOGY  LTM4637IV#PBF  VOLTAGE REGULATOR, uMODULE, BUCK, ADJUSTABLE, LGA-133

LINEAR TECHNOLOGY LTM4637IV#PBF
LINEAR TECHNOLOGY LTM4637IV#PBF
Technical Data Sheet (609.66KB) EN See all Technical Docs

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LINEAR TECHNOLOGY LTM4637IV#PBF
LINEAR TECHNOLOGY LTM4637IV#PBF

Product Overview

The LTM4637IV#PBF is a complete output high efficiency switch mode step-down DC/DC µModule Regulator includes the switching controller, power FETs, inductor and compensation components. Operating over an input voltage range from 4.5 to 20V, the LTM4637 supports an output voltage range of 0.6 to 5.5V, set by a single external resistor. Only a few input and output capacitors are needed. Current mode operation allows precision current sharing of up to four LTM4637 regulators to obtain up to 80A output. High switching frequency and current mode architecture enable a very fast transient response to line and load changes without sacrificing stability. The device supports frequency synchronization, multiphase/current sharing, burst mode operation and output voltage tracking for supply rail sequencing. A diode-connected PNP-transistor is available for use as an internal temperature monitor.
  • Current mode control/fast transient response
  • Frequency synchronization
  • Soft-start/voltage tracking
  • Overcurrent foldback protection
  • Internal temperature monitor
  • ±1.5% Total DC output voltage error

 

Product Information

DC / DC Converter Type:
Input Voltage Min:
4.5V
Input Voltage Max:
20V
No. of Outputs:
1 Output
DC / DC Converter IC Case:
LGA
No. of Pins:
133Pins
Output Current:
20A
Output Voltage Min:
600mV
Output Voltage Max:
5.5V
Switching Frequency:
770kHz
Topology:
Buck (Step Down)
Operating Temperature Max:
125°C
Packaging:
Cut Tape
Product Range:
-
MSL:
MSL 3 - 168 hours
Operating Temperature Min:
-40 °C
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Communications & Networking;
  • Industrial;
  • Medical

Legislation and Environmental

Moisture Sensitivity Level:
MSL 3 - 168 hours
Product Traceability
RoHS Compliant:
Yes

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