LT3742

PRODUCTION

Dual, 2-Phase Step-Down Switching Controller

Part Models
2
1ku List Price
Starting From $2.78

Part Details

  • Wide Input Voltage Range: 4V to 30V
  • Wide Output Voltage Range: 0.8V to VIN
  • Low Shutdown IQ: 20μA
  • Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise
  • 0.8V ±1.5% Voltage Reference
  • 500kHz Current Mode Fixed Frequency Operation
  • Internal Boost Converter Provides Bias Rail for N-Channel MOSFET Gate Drive
  • Power Good Voltage Monitor for Each Output
  • Programmable Soft-Start
  • 24-Lead 4mm × 4mm × 0.75mm Package
LT3742
Dual, 2-Phase Step-Down Switching Controller
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Documentation

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
Dual-Supply Monitors 1
LTC2960 RECOMMENDED FOR NEW DESIGNS 36V Nano-Current Two-Input Voltage Monitor
Multiple Output Buck Regulators 1
LTC3880 RECOMMENDED FOR NEW DESIGNS Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management
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

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
DC927A

LT3742EFE Demo Board | 5.5V ≤ VIN ≤ 28V, VOUT1 = 5V @ 4A, VOUT2 = 3.3V @ 4A

Product Details

Demonstration circuit 927 is a dual output step-down converter featuring the LT3742, a two-phase nonsynchronous buck controller. The demo board operates with a 5.5V to 28V input suppy and provides outputs of 5V@4A and 3.3V@4A.


 


DC927A
LT3742EFE Demo Board | 5.5V ≤ VIN ≤ 28V, VOUT1 = 5V @ 4A, VOUT2 = 3.3V @ 4A

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