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IL3842

Features: ·Automatic Feed Forward Compensation·High Gain Totem Pole Output·Internally Trimmed Bandgap Reference·Undervoltage Lockout with Hysteresis·Low Start Up Current·Optimized for offline converter·Double pulse suppression·Current mode operation to 500KHzPinoutSpecifications Characteristi...

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SeekIC No. : 004374021 Detail

IL3842: Features: ·Automatic Feed Forward Compensation·High Gain Totem Pole Output·Internally Trimmed Bandgap Reference·Undervoltage Lockout with Hysteresis·Low Start Up Current·Optimized for offline conver...

IL3842 Data Sheet

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Part Number:
IL3842
Supply Ability:
5000

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

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Upload time: 2024/4/25

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Product Details

Description



Features:

·Automatic Feed Forward Compensation
·High Gain Totem Pole Output
·Internally Trimmed Bandgap Reference
·Undervoltage Lockout with Hysteresis
·Low Start Up Current
·Optimized for offline converter
·Double pulse suppression
·Current mode operation to 500KHz




Pinout

Connection Diagram




Specifications

Characteristic Symbol Value Unit
Total Power Supply and Zener Current (ICC+ IZ) 30 mA
Output Current IO ±1.0 A
Output Energy (Capacitive Load per Cycle) W 5.0 µJ
Error Amp Output Sink Current IOE 10 mA
Current Sense and Voltage Feedback Inputs Vin -0.3 to 5.5 V
Maximum Power Dissipation @ TA= 25: PD 0.862 W
Thermal Resistance,Junction-to-Air

RJA

 145 °C/W
Operating Junction Temperature TJ +150 °C
Storage Temperature Range Tstg -65 ~ +150 °C





Description

Fixed Frequency Current Mode PWM Controller of the IL3842.

Fixed frequency current-mode PWM controller. It is specially designed for Off Line And DC-to-DC converter applications with minimal external component. This integrated circuit features a trimmed oscillator for precise duty cycle control. a temperature compensated reference, high gain arror amplifier, current sensing comparator, and a high current totempole output ideally suited for driving a power MOSFET.

Protection circuitry of the IL3842 includes built in under-voltage lockout and current limiting.






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