LT1424-5

Features: No Transformer Third Winding or Optoisolat RequiredDesigned for Use with 1:1 Ratio TransformersFixed, Application Specific 5V Output VoltageRegulation Maintained Well into Discontinuous Mode (Light Load)Load Compensation Provides Excellent Load RegulationAvailable in 8-Pin PDIP and SO ...

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SeekIC No. : 004400583 Detail

LT1424-5: Features: No Transformer Third Winding or Optoisolat RequiredDesigned for Use with 1:1 Ratio TransformersFixed, Application Specific 5V Output VoltageRegulation Maintained Well into Discontinuous ...

floor Price/Ceiling Price

Part Number:
LT1424-5
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

No Transformer "Third Winding" or Optoisolat Required
Designed for Use with 1:1 Ratio Transformers
Fixed, Application Specific 5V Output Voltage
Regulation Maintained Well into Discontinuous Mode (Light Load)
Load Compensation Provides Excellent Load Regulation
Available in 8-Pin PDIP and SO Packages
Operating Frequency: 285kHz



Application

Isolated Communication Supplies
Industrial Automation
Instrumentation Systems



Specifications

Supply Voltage...............................................20V
Switch Voltage...............................................35V
SHDN, SYNC Pin Voltage..................................7V
Operating Junction Temperature Range
Commercial...................................... 0 to 125
Industrial...................................... -40 to 125
Storage Temperature Range.........-65 to 150
Lead Temperature (Soldering, 10 sec)........300




Description

The LT® 1424-5 is a monolithic high power switching regulator specifically designed for the isolated flyback topology. No "third winding"± or optoisolator is require the integrated circuit senses the isolated output voltage directly from the primary side flyback waveform. A high current, high efficiency switch is included on the die along with all oscillator, control and protection circuitry.

The 1424-5 operates with input supply voltages from 3V to 20V and draws only 7mA quiescent current. It can deliver up to 200mA at 9V with no external power devices. By utilizing current mode switching techniques, it pro-vides excellent AC and DC line regulation.

The 1424-5 has a number of features not found on other switching regulator ICs. Its unique control circuitry can maintain regulation well into discontinuous mode. Load compensation circuitry allows for improved load regula-tion. An externally activated shutdown mode reduces total supply current to 20A typical for standby operation.




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