LTC3565

PRODUCTION

1.25A, 4MHz, Synchronous Step-Down DC/DC Converter

Data Sheet Product Selection Table
Part Models
8
1ku List Price
Starting From $2.43
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Part Details

  • High Efficiency: Up to 95%
  • VIN Range: 2.5V to 5.5V
  • High Frequency Operation: Up to 4MHz
  • Selectable Low Ripple (Typical 25mVp-p) Burst Mode® Operation: IQ = 40μA
  • Stable with Ceramic Capacitors
  • Uses Tiny Capacitors and Inductor
  • Low RDS(ON) Internal Switches: 0.15Ω
  • Current Mode Operation for Excellent Line and Load Transient Response
  • Short-Circuit Protected
  • Low Dropout Operation: 100% Duty Cycle
  • Low Shutdown Current: IQ ≤ 1μA
  • Output Voltages from 0.6V to 5V
  • Synchronizable to External Clock
  • Supports Pre-Biased Outputs
  • Small 10-Lead (3mm × 3mm) DFN or MSOP Package
LTC3565
1.25A, 4MHz, Synchronous Step-Down DC/DC Converter
Step-Down 2.5V/1.25A Regulator Efficiency and Power Loss vs Output Current Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Technical Articles 1

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
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LTC2633
PRODUCTION Dual 12-/10-/8-Bit I2C VOUT DACs with 10ppm/°C Reference
Silicon Oscillators 1
LTC6909
PRODUCTION 1 to 8 Output, Multiphase Silicon Oscillator with Spread Spectrum Modulation
Single-Supply Monitors 1
LTC2935
PRODUCTION Ultra-Low Power Supervisor with Power-Fail Output, Selectable Thresholds
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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LTC3565

LTpowerCAD 1

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.

LTpowerCAD

LTpowerCAD® is a power supply design program which selects power stage components, provides detailed power efficiency, shows quick loop Bode plot stability and load transient analysis, and can export to LTspice for simulation.

Evaluation Kits

eval board
schematic 1
DC1159A

LTC3565EDD Demo Board | 1.25A, 4MHz, Synchronous Step-Down DC/DC Converter

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Product Details

DC1159A: Demo Board for LTC3565 1.25A, 4MHz, Synchronous Step-Down DC/DC Converter
DC1159A
LTC3565EDD Demo Board | 1.25A, 4MHz, Synchronous Step-Down DC/DC Converter
DC1159A - Schematic

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