LTC3100

PRODUCTION

1.5MHz Synchronous Dual Channel DC/DC Converter and 100mA LDO

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Part Models
2
1ku List Price
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Part Details

  • Extremely Compact Triple-Rail Solution
  • Burst Mode® Operation, IQ = 15μA
  • 1.5MHz Fixed Frequency Operation
  • Power Good Indicators
  • 700mA Synchronous Step-Up DC/DC
    • 0.65V to 5V VIN Range
    • 1.5V to 5.25V VOUT Range
    • 94% Peak Efficiency
    • VIN > VOUT Operation
    • Output Disconnect
  • 250mA Synchronous Step-Down DC/DC
    • 1.8V to 5.5V VIN Range
    • 0.6V to 5.5V VOUT Range
  • LDO (VIN Internally Tied to VBST)
    • 0.6V to 5.25V VOUT Range
    • 200mV Dropout Voltage at 100mA
  • Available in a 16-Lead 3mm × 3mm QFN Package
LTC3100
1.5MHz Synchronous Dual Channel DC/DC Converter and 100mA LDO
Two-Cell, Triple Output Converter Efficiency and Power Loss vs Load Current, VIN = 2.4V Product Package 1
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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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Software Resources

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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
Multiple Output Buck Regulators 1
LTC3880
RECOMMENDED FOR NEW DESIGNS Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management
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:

  • LTC3100
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
schematic 1
DC1326A

LTC3100EUD Demo Board | 1.5MHz Synchronous Dual-Channel DC/DC Converter and 100mA LDO

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Product Details

Demonstration circuit 1326A consists of three voltage regulators; a synchronous boost, a synchronous buck and a linear LDO. Jumpers are provided for selecting a total of nine output voltages (3 boost output voltages: 1.8V/3.3V/5V, 3 buck output voltages: 1.2V/1.5V/1.8V, and 3 LDO output voltages: 1.5V/2.85V/3V). The high efficiency DC/DC converters feature 700mA switches for the boost, 250mA for the buck and a 100mA rating for the LDO regulator. With a light load, the boost converter can startup with an input voltage as low as 700mV and once started, the input can go as low as 500mV while maintaining a regulated output. That maximum boost and buck input voltage is 5.5V. The buck converter requires 1.8V minimum input.
DC1326A
LTC3100EUD Demo Board | 1.5MHz Synchronous Dual-Channel DC/DC Converter and 100mA LDO
DC1326A - Schematic

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