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IR2161

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. : 004376119 Detail

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

IR2161 Data Sheet

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Part Number:
IR2161
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: 2024/12/21

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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
VHO
 High side floating output voltage
VS - 0.3
VB + 0.3
VLO
 Low side output voltage
-0.3
VCC + 0.3
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
ICS
 Current sense pin current
-5
5
mA
ICC
 Supply current (Note 1)
-20
20
dV/dt
 Allowable offset voltage slew rate
-50
50
V/ns
PD
 Maximum power dissipation @ TA +25°C (8 Lead DIP)
-
1
W
PD = (TJMAX-TA)/RthJA (8 Lead SOIC)
-
0.625
RthJA
 Thermal resistance, junction to ambient (8 Lead DIP)
-
125
°C/W
(8 Lead SOIC)
-
200
TJ
 Junction temperature
-55
150
°C
TS
 Storage temperature
-55
150
TL
 Lead temperature (soldering, 10 seconds)
-
300





Description

The IR2161 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 of the IR2161 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 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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