Linear Technology DC1345 Quick Start Manual

The Linear Technology DC1345 is a wide input voltage range, no Rsense step-down dc/dc converter featuring the LTC3879EMSE. Its output voltage is 1.2V with a load rating of 12A and the input voltage range is 4.5V to 34V. It features a fixed on-time valley current mode architecture for very fast load step response.

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Linear Technology DC1345 Quick Start Manual - Download & Read | Manualzz

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Key features

  • Wide input voltage range (4.5V to 34V)
  • No Rsense step-down DC/DC converter
  • 12A output current
  • Fixed on-time valley current mode architecture
  • Fast load step response
  • CCM or DCM operation
  • RUN, TRACK, and PGOOD pins

Frequently asked questions

The output voltage is 1.2V ±2%.

The maximum load current is 12A.

The typical output voltage ripple is 20mVP–P.

Use the MODE jumper to select either CCM or DCM operation.

Refer to Figure 2 in the quick start guide for proper scope probe technique.
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