LT4430

PRODUCTION

Secondary-Side Optocoupler Driver

Data Sheet
Part Models
8
1ku List Price
Starting From $2.37
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Part Details

  • 600mV Reference (1.25% Over Temperature)
  • Wide Input Supply Range: 3V to 20V
  • Overshoot Control Function Prevents Output Overshoot on Start-Up and Short-Circuit Recovery
  • High Bandwidth Error Amplifier Permits Simple Loop Frequency Compensation
  • Ground-Referenced Opto-Coupler Drive
  • 10mA Opto-Coupler Drive with Current Limiting
  • Low Profile (1mm) ThinSOT™ Package
LT4430
Secondary-Side Optocoupler Driver
Simplified Isolated Synchronous Forward Converter Isolated Flyback Telecom Converter Start-Up with Overshoot Control (See Schematic on Back Page) Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 4

Technical Articles 3

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
Protection Switches & Controllers 1
LT4363
RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper with Current Limit
Switching Regulators & Controllers 2
LTM8047
RECOMMENDED FOR NEW DESIGNS 3.1VIN to 32VIN Isolated μModule (Power Module) DC/DC Converter
LTM8048
RECOMMENDED FOR NEW DESIGNS 3.1VIN to 32VIN Isolated μModule (Power Module) DC/DC Converter with LDO Post Regulator
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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LT4430
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
schematic 1
DC968A-C

OBSOLETE: LT1952EGN-1, LTC3900CS8, LT4430ES6 Demo Board | VIN = 36V-75V, VOUT = 12V @ 12A

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Product Details

This evaluation board is obsolete and no longer recommended. The replacement board is the DC1317A-C.

DC968A-C Demo Board for:
LT1952 Single Switch Synchronous Forward Controller
LTC3900 Synchronous Rectifier Driver for Forward Converters
LT4430 Secondary-Side Optocoupler Driver

eval board
schematic 2
DC968A-A

LT1952EGN-1, LTC3900CS8, LT4430ES6 Demo Board | VIN = 34V-75V VOUT = 3.3V @ 30A

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Product Details

DC968A-A Demo Board for:
LT1952 Single Switch Synchronous Forward Controller
LTC3900 Synchronous Rectifier Driver for Forward Converters
LT4430 Secondary-Side Optocoupler Driver


 


eval board
schematic 3
DC968A-D

LT1952EGN-1, LTC3900CS8, LT4430ES6 Demo Board | VIN = 36V-75V, VOUT = 28V @ 4A

Buy Now View Details

Product Details

DC968A-D Demo Board for:
LT1952 Single Switch Synchronous Forward Controller
LTC3900 Synchronous Rectifier Driver for Forward Converters
LT4430 Secondary-Side Optocoupler Driver

eval board
schematic 4
DC968A-B

LT1952EGN-1, LTC3900CS8, LT4430ES6 Demo Board | VIN = 18V-36V, VOUT = 5V @ 20A

Buy Now View Details

Product Details

DC968A-B Demo Board for:
LT1952 Single Switch Synchronous Forward Controller
LTC3900 Synchronous Rectifier Driver for Forward Converters
LT4430 Secondary-Side Optocoupler Driver
DC968A-C
OBSOLETE: LT1952EGN-1, LTC3900CS8, LT4430ES6 Demo Board | VIN = 36V-75V, VOUT = 12V @ 12A
DC968A-C - Schematic
DC968A-A
LT1952EGN-1, LTC3900CS8, LT4430ES6 Demo Board | VIN = 34V-75V VOUT = 3.3V @ 30A
DC968A-A - Schematic
DC968A-D
LT1952EGN-1, LTC3900CS8, LT4430ES6 Demo Board | VIN = 36V-75V, VOUT = 28V @ 4A
DC968A-D - Schematic
DC968A-B
LT1952EGN-1, LTC3900CS8, LT4430ES6 Demo Board | VIN = 18V-36V, VOUT = 5V @ 20A
DC968A-B - Schematic

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