LT3506

PRODUCTION

Dual Monolithic 1.6A Step-Down Switching Regulator

Part Models
16
1ku List Price
Starting From $3.54
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Part Details

  • Wide Input Voltage Range, 3.6V to 25V
  • Two 1.6A Output Switching Regulators with Internal Power Switches
  • Constant Switching Frequency
    • LT3506: 575kHz
    • LT3506A: 1.1MHz
  • Anti-Phase Switching Reduces Ripple
  • Accurate 0.8V Reference, ±1%
  • Independent Shutdown/Soft-Start Pins
  • Independent Power Good Indicators Ease Supply Sequencing
  • Uses Small Inductors and Ceramic Capacitors
  • Small 16-Lead Thermally Enhanced 5mm × 4mm DFN and TSSOP Surface Mount Packages
LT3506
Dual Monolithic 1.6A Step-Down Switching Regulator
Efficiency Product Package 1 Product Package 2
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Documentation

Data Sheet

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
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
PowerPath, Ideal Diodes, and Load Switches 1
LTC4359 RECOMMENDED FOR NEW DESIGNS Ideal Diode Controller with Reverse Input Protection
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
DC958A

LT3506/LT3506A Demo Board | 2 Circuits, Dual, 25V, 1.6A Monolithic Step-Down Converter

Product Details

Demonstration circuit 958 is a Dual Monolithic 1.6A Step-Down Switching Regulator featuring the LT3506A and LT3506. The top half of the board features the LT3506A circuit and the bottom  half of the board features the LT3506 circuit. These two devices are nearly identical except for the switching frequency, and the two circuits are totally independent on the demo board. The LT3506A circuit switches at 1.1MHz and takes a 6.8V to 25V input voltage and generates a 5V and a 3.3V output, both at 1.6A. The LT3506 circuit switches at 575kHz and takes a 3.6V to 21V input and generates a 1.8V and a 1.2V output, both at 1.6A.

DC958A
LT3506/LT3506A Demo Board | 2 Circuits, Dual, 25V, 1.6A Monolithic Step-Down Converter
DC958A - Schematic

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