LT3971A
LT3971A-5

PRODUCTION

38V, 1.3A, 2MHz Step-Down Regulator with 2.2μA Quiescent Current

Part Models
4
1ku List Price
Starting From $3.65
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Part Details

  • Ultralow Quiescent Current: 2.8μA IQ Regulating 12VIN to 3.3VOUT
  • Fixed Output Voltages: 5V 2.2μA IQ Regulating 12VIN to 5VOUT
  • Low Ripple Burst Mode® Operation: Output Ripple < 15mVP-P
  • Wide Input Voltage Range: 4.3V to 38V
  • 1.3A Maximum Output Current
  • Adjustable Switching Frequency: 200kHz to 2MHz
  • Synchronizable Between 250kHz to 2MHz
  • Fast Transient Response
  • Accurate 1V Enable Pin Threshold
  • Low Shutdown Current: IQ = 700nA
  • Power Good Flag
  • Soft-Start Capability
  • Internal Compensation
  • Output Voltage: 1.19V to 30V
  • Small Thermally Enhanced 10-Lead MSOP Package
LT3971A
LT3971A-5
38V, 1.3A, 2MHz Step-Down Regulator with 2.2μA Quiescent Current
5.15V Step-Down Converter for USB Applications No Load Supply Current Product Package 1 Product Package 2
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Documentation

Data Sheet

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Hardware Ecosystem

Parts Product Life Cycle Description
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LTC2960 RECOMMENDED FOR NEW DESIGNS 36V Nano-Current Two-Input Voltage Monitor
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LTC4359 RECOMMENDED FOR NEW DESIGNS Ideal Diode Controller with Reverse Input Protection
Silicon Oscillators 1
LTC6930-X.XX 32.768kHz to 8.192MHz Precision µPower Oscillators
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LTC4365 RECOMMENDED FOR NEW DESIGNS Overvoltage, Undervoltage and Reverse Supply Protection Controller
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Tools & Simulations

LTspice 2


Models for the following parts are available in LTspice:

  • LT3971
  • LT3971-3.3
  • LT3971-5
  • LT3971A
  • LT3971A-5
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.

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