LTC1437A

PRODUCTION

High Efficiency Low Noise Synchronous Step-Down Switching Regulators

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Part Details

  • Maintains Constant Frequency at Low Output Currents
  • Programmable Fixed Frequency (PLL Lockable)
  • Wide VIN Range: 3.5V to 36V Operation
  • Low Minimum On-Time (≤300ns) for High Frequency, Low Duty Cycle Applications
  • Dual N-Channel MOSFET Synchronous Drive
  • Very Low Dropout Operation: 99% Duty Cycle
  • Low Dropout, 0.5A Linear Regulator for CPU I/O or Low Noise Audio Supplies
  • Built-In Power-On Reset Timer
  • Programmable Soft Start
  • Low-Battery Detector
  • Remote Output Voltage Sense
  • Foldback Current Limiting (Optional)
  • Pin Selectable Output Voltage
  • Logic Controlled Micropower Shutdown: IQ < 25µA
  • Output Voltages from 1.19V to 9V
  • Available in 24-Lead Narrow SSOP and 28-Lead SSOP Packages
LTC1437A
High Efficiency Low Noise Synchronous Step-Down Switching Regulators
Figure 1. High Efficiency Step-Down Converter Product Package 1 Product Package 2 Product Package 3
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 3

Technical Articles 1

Data Sheet

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