LT1578

PRODUCTION

1.5A, 200kHz Step-Down Switching Regulator

Part Models
8
1ku List Price
Starting From $3.98
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Part Details

  • 1.5A Switch Current
  • High Efficiency—Low Loss 0.2Ω Switch
  • Constant 200kHz Switching Frequency
  • 4V to 15V Input Voltage Range
  • Minimum Output: 1.21V
  • Low Supply Current: 1.9mA
  • Low Shutdown Current: 20µA
  • Easily Synchronizable Up to 400kHz
  • Cycle-by-Cycle Current Limit
  • Reduced EMI Generation
  • Low Thermal Resistance SO-8 Package
  • Uses Small Low Value Inductors
LT1578
1.5A, 200kHz Step-Down Switching Regulator
3.3V Buck Converter Efficiency vs Load Current Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

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Tools & Simulations

LTspice 1


Models for the following parts are available in LTspice:

  • LT1578
  • LT1578-2.5
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.


Evaluation Kits

eval board
DC303A

LT1578CS8 | 1.5A 200KHz Buck DC/DC with Shutdown & Sync, 5-15VIN, Jumper Selectable 3.3VOUT or 5VOUT @1.25A

Product Details

DC303A: Demo Board for LT1578 1.5A, 200kHz Step-Down Switching Regulator.

DC303A
LT1578CS8 | 1.5A 200KHz Buck DC/DC with Shutdown & Sync, 5-15VIN, Jumper Selectable 3.3VOUT or 5VOUT @1.25A
DC303A - Schematic

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