LTC1628-SYNC

PRODUCTION

High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator

Part Models
4
1ku List Price
Starting From $6.17
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Part Details

  • Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise
  • OPTI-LOOP® Compensation Minimizes COUT
  • Dual N-Channel MOSFET Synchronous Drive
  • ±1% Output Voltage Accuracy
  • Power Good Output Voltage Monitor
  • Phase-Lockable Fixed Frequency 150kHz to 300kHz
  • Wide VIN Range: 3.5V to 36V Operation
  • Very Low Dropout Operation: 99% Duty Cycle
  • Adjustable Soft-Start Current Ramping
  • Foldback Output Current Limiting
  • Latched Short-Circuit Shutdown with Defeat Option
  • Output Overvoltage Protection
  • Remote Output Voltage Sense
  • Low Shutdown IQ: 20µA
  • 5V and 3.3V Standby Regulators
  • Selectable Constant Frequency or Burst Mode® Operation
  • Small 28-Lead SSOP Package
LTC1628-SYNC
High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator
Figure 1. High Efficiency Dual 5V/3.3V Step-Down Converter Product Package 1
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Documentation

Data Sheet

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Tools & Simulations

LTspice 1


Models for the following parts are available in LTspice:

  • LTC1628
  • LTC1628-PG
  • LTC1628-SYNC
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
DC352A

LTC1629CG LTC1628-SYNC | PolyPhase Dual Output High Current Power Supply, 5V to 14VIN, 1.6VOUT @ 52A Max., 2.5VOUT @ 15A Max (Thru-Hole Input Caps)

Product Details

DC352A Demo Board for:
LTC1629 PolyPhase, High Efficiency, Synchronous Step-Down Switching Regulator
LTC1628-SYNC High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator

DC352A
LTC1629CG LTC1628-SYNC | PolyPhase Dual Output High Current Power Supply, 5V to 14VIN, 1.6VOUT @ 52A Max., 2.5VOUT @ 15A Max (Thru-Hole Input Caps)
DC352A - Schematic

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