LTC3834-1

PRODUCTION

30μA IQ Synchronous Step-Down Controller

Part Models
8
1ku List Price
Starting From $4.42
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Part Details

  • Wide Output Voltage Range: 0.8V VOUT 10V
  • Low Operating IQ: 30μA
  • OPTI-LOOP® Compensation Minimizes COUT
  • ±1% Output Voltage Accuracy
  • Wide VIN Range: 4V to 36V
  • Phase-Lockable Fixed Frequency 140kHz to 650kHz
  • Dual N-Channel MOSFET Synchronous Drive
  • Very Low Dropout Operation: 99% Duty Cycle
  • Adjustable Output Voltage Soft-Start or Tracking
  • Output Current Foldback Limiting
  • Output Overvoltage Protection
  • Low Shutdown IQ: 4μA
  • Selectable Continuous, Pulse-Skipping or
  • Burst Mode® Operation at Light Loads
  • Small 16-Lead Narrow SSOP or 5mm × 3mm DFN Package
LTC3834-1
30μA IQ Synchronous Step-Down Controller
High Efficiency Step-Down Converter Efficiency and Power Loss vs Load Current Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 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
Dual-Supply Monitors 1
LTC2960 RECOMMENDED FOR NEW DESIGNS 36V Nano-Current Two-Input Voltage Monitor
High Voltage Hot Swap Controllers 1
LTC4364 RECOMMENDED FOR NEW DESIGNS Surge Stopper with Ideal Diode
Pushbutton Controllers 1
LTC2955 RECOMMENDED FOR NEW DESIGNS Pushbutton On/Off Controller with Automatic Turn-On
Silicon Oscillators 1
LTC6909 PRODUCTION 1 to 8 Output, Multiphase Silicon Oscillator with Spread Spectrum Modulation
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Tools & Simulations

LTspice


Models for the following parts are available in LTspice:

  • LTC3834
  • LTC3834-1
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.


Evaluation Kits

eval board
DC1346A

LTC3834EGN-1 Demo Board | 30uA Iq, VIN: 4.5V-32V, VOUT: 3.3V/5A

Product Details

Demonstration circuit 1346A is a low quiescent current synchronous step-down DC/DC controller featuring the LTC3834-1 in a 16-pin narrow SSOP package. The DC1346A is generates a regulated 3.3V@5A output from a 4.5V to 32V input voltage.


 


DC1346A
LTC3834EGN-1 Demo Board | 30uA Iq, VIN: 4.5V-32V, VOUT: 3.3V/5A
DC1346A - Schematic

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