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IR2086S

Features: • Simple primary side control solution to enable full-bridge DC-Bus Converters for 48V distributed systems with reduced component count and board space.• Frequency and dead time set by two external components• Maximum 500KHz per channel output with 50% duty cycle•...

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SeekIC No. : 004376050 Detail

IR2086S: Features: • Simple primary side control solution to enable full-bridge DC-Bus Converters for 48V distributed systems with reduced component count and board space.• Frequency and dead tim...

IR2086S Data Sheet

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Part Number:
IR2086S
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Simple primary side control solution to enable full-bridge DC-Bus Converters for 48V distributed systems with reduced component count and board space.
• Frequency and dead time set by two external components
• Maximum 500KHz per channel output with 50% duty cycle
• Adjustable dead time 50nsec ~ 200nsec
• Floating channel designed for bootstrap operation up to +100Vdc
• High and low side pulse width matching to +/- 25nsec
• Overcurrent protection with adjustable hiccup period.
• Undervoltage lockout and internal soft start


Pinout

Connection Diagram


Specifications

Symbol Definition Min. Max. Units
VCC Low side supply voltage -0.3 25 Vdc
VB1,2 High side floating supply voltage -0.3 150
VS1,2 High side floating supply offset voltage VB1,2 - 25 VB1,2 + 0.3
VHO1,2 High side floating output voltage VB1,2 - 0.3 VB1,2 + 0.3
VLO1,2 Low side output voltage -0.3 VCC + 0.3
VCT CT pin voltage -0.3 VCC + 0.3
VCS Cs pin voltage -0.3 VCC + 0.3
VDELAY Delay pin voltage -0.3 VCC + 0.3
dVS/dt Allowable offset voltage slew rate -50 +50 V/ns
ICC Supply current - 40 mA
PD Package power dissipation (16-lead SOIC) - 1.0 W
RthJA Thermal resistance, junction to ambient (16-lead SOIC) - 200 /W
TJ Junction temperature -55 150
TS Storage temperature -55 150
TL Lead temperature (soldering, 10 seconds) - 300



Description

The IR2086S is a self oscillating full-bridge controller and driver IC with 50% duty cycle ideally suited for 36V-75V full-bridge DC Bus Converters. Dead time can be controlled through proper selection of CT and can range from 50 to 200nsec. Internal soft start increases pulse width on power up and maintains equal pulse widths for the high and low outputs throughout the start up cycle. Undervoltage lockout prevents operation if Vcc is less than 7.5 Vdc. Over current shutdown occurs when the voltage on the Cs pin exceeds 200mV. Restart after overcurrent trip can be delayed by adjusting the external capacitor. The delay time of IR2086S ranges from 10µs to 1s.




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