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IR2161(S)

Features: • Intelligent half-bridge driver• Auto Resetting Short Circuit Protection• Auto Resetting Overload Protection• Externally Triggerable Latching Shutdown• Latching Overtemperature Protection• Frequency Modulation dither (for lower EMI)• Micropowe...

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SeekIC No. : 004376120 Detail

IR2161(S): Features: • Intelligent half-bridge driver• Auto Resetting Short Circuit Protection• Auto Resetting Overload Protection• Externally Triggerable Latching Shutdown• Latch...

IR2161(S) Data Sheet

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Part Number:
IR2161(S)
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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Product Details

Description



Features:

• Intelligent half-bridge driver
• Auto Resetting Short Circuit Protection
• Auto Resetting Overload Protection
• Externally Triggerable Latching Shutdown
• Latching Overtemperature Protection
• Frequency Modulation "dither" (for lower EMI)
• Micropower Startup (<300 A)
• Phase Cut dimmable for leading / trailing edge
• Output Voltage Shift Compensation.
• Real Softstart
• Adaptive Dead Time
• Small 8 Pin DIP/SOIC Package


Specifications

Symbol Definition Min. Max. Units
VB High side floating supply voltage -0.3 625 V
VS High side floating supply offset voltage VB - 25 VB + 0.3 V
VHO High side floating output voltage VS - 0.3 VB + 0.3 V
VLO Low side output voltage -0.3 VCC + 0.3 V
IOMAX Maximum allowable output current (HO,LO) due to external
power transistor miller effect		 -500 500 mA
VCSDMAX CSD pin voltage -0.3 VCC + 0.3 V
VCS Current sense pin voltage -0.3 VCC + 0.3 V
ICS Current sense pin current -5 5 mA
ICC Supply current (Note 1) -20 20 mA
dV/dt Allowable offset voltage slew rate -50 50 V/ns
PD Maximum power dissipation @ TA +25°C (8 Lead DIP)
PD = (TJMAX-TA)/RthJA (8 Lead SOIC)		 - 1
0.625		 W
RthJA Thermal resistance, junction to ambient (8 Lead DIP)
(8 Lead SOIC)		 - 125
200		 /W
TJ Junction temperature -55 150
TS Storage temperature -55 150
TL Lead temperature (soldering, 10 seconds) - 300



Description

The IR2161(S) is a dedicated Intelligent Half bridge Driver IC for a Halogen convertor (electronic transformer). It includes all necessary protection features and also allows the Convertor to be dimmed externally with a standard phase cut dimmer with both leading or trailing edge types. This IC provides the advantage of reduced thermal stress in the lamp due to softstart. There is also compensation of the output voltage for load regulation. It enables the convertor to operate with extremely low harmonic distortion over the full range of loads. The IR2161(S) includes adaptive deadtime to allow cool running MOSFETs and improves the EMI behaviour due to frequency modulation (dither). All the features are integrated in a small 8 pin DIP/SOIC package to allow for a size reduction in the next generation of convertors.




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