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High Efficiency N-Channel MOSFET Switching Regulator Controller SOIC-8

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  • Jameco Part no.: 1751834
  • Manufacturer: Linear Technology
  • Manufacturer no.: LTC1624IS8
    • Electronics Parts Locator
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High Efficiency N-Channel MOSFET Switching Regulator Controller SOIC-8

The LTC®1624 is a current mode switching regulator controller that drives an external N-channel power MOSFET using a fixed frequency architecture. It can be operated in all standard switching configurations including boost, step-down, inverting and SEPIC. Burst Mode™ operation provides high efficiency at low load currents. A maximum high duty cycle limit of 95% provides low dropout operation which extends operating time in battery-operated systems.


  • N-Channel MOSFET Drive
  • Implements Boost, Step-Down, SEPIC and Inverting Regulators
  • Wide VIN Range: 3.5V to 36V Operation
  • Wide VOUT Range: 1.19V to 30V in Step-Down Configuration
  • ±1% 1.19V Reference
  • Low Dropout Operation: 95% Duty Cycle
  • 200kHz Fixed Frequency
  • Low Standby Current
  • Very High Efficiency
  • Remote Output Voltage Sense
  • Logic-Controlled Micropower Shutdown
  • Internal Diode for Bootstrapped Gate Drive
  • Current Mode Operation for Excellent Line and Load Transient Response


  • Output Type: Transistor Driver
  • Function: Step-Up, Step-Down, Step-Up/Step-Down
  • Output Configuration: Positive or Negative
  • Topology: Buck, Boost, SEPIC
  • Number of Outputs: 1
  • Output Phases: 1
  • Voltage - Supply (Vcc/Vdd): 3.5 V to 36 V
  • Frequency - Switching: 200 kHz
  • Duty Cycle (Max): 95%
  • Synchronous Rectifier: No
  • Clock Sync: No
  • Control Features: Enable
  • Operating Temperature: -40°C to 85°C (TA)
  • Package: SOIC-8 (0.154", 3.90mm Width)

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Specification Value
Supplier PackageSOIC-8
Switching ModeStep-Up, Step-Down, Step-Up/Step-Down
Output TypePositive or Negative
Number of Outputs1
Switching Frequency200 kHz
Minimum Operating Temperature-40°C
Maximum Operating Temperature85°C

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