LTC1775

PRODUCTION

High Power No RSENSE Current Mode Synchronous Step-Down Switching Regulator

Part Models
8
1ku List Price
Starting From $6.67
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Part Details

  • Highest Efficiency Current Mode Controller
  • No Sense Resistor Required
  • 300mV Maximum Current Sense Voltage
  • Stable High Current Operation
  • Dual N-Channel MOSFET Synchronous Drive
  • Wide VIN Range: 4V to 36V
  • Wide VOUT Range: 1.19V to VIN
  • ±1% 1.19V Reference
  • Programmable Fixed Frequency with Injection Lock
  • Very Low Drop Out Operation: 99% Duty Cycle
  • Forced Continuous Mode Control Pin
  • Optional Programmable Soft Start
  • Pin Selectable Output Voltage
  • Foldback Current Limit
  • Output Overvoltage Protection
  • Logic Controlled Micropower Shutdown: I< 30µA
  • Available in 16-Lead Narrow SSOP and SO Packages
LTC1775
High Power No RSENSE Current Mode Synchronous Step-Down Switching Regulator
Figure 1. High Efficiency Step-Down Converter Efficiency vs Load Current Product Package 1
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Documentation

Data Sheet

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

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital Power System Managers 1
LTC2974 RECOMMENDED FOR NEW DESIGNS 4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
Dual-Supply Monitors 1
LTC2960 RECOMMENDED FOR NEW DESIGNS 36V Nano-Current Two-Input Voltage Monitor
Silicon Oscillators 1
LTC6909 PRODUCTION 1 to 8 Output, Multiphase Silicon Oscillator with Spread Spectrum Modulation
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LT4363 RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper with Current Limit
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Tools & Simulations

LTspice 1


Models for the following parts are available in LTspice:

  • LTC1775
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
DC337A

LTC1775CS | High Power, No RSENSE Current Mode Stepdown Controller, 4.5 ~ 28VIN, 3.3 or 5VOUT @ 10A, VOUT Adjustable 2.5 ~ 12V

Product Details

DC337A: Demo Board for the LTC1775 High Power No RSENSE Current Mode Synchronous Step-Down Switching Regulator.

DC337A
LTC1775CS | High Power, No RSENSE Current Mode Stepdown Controller, 4.5 ~ 28VIN, 3.3 or 5VOUT @ 10A, VOUT Adjustable 2.5 ~ 12V
DC337A - Schematic

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