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IRS20954S

Features: · Floating PWM input enables easy half bridge implementation· Integrated programmable bi-directional over-current protection with self-reset function· Programmable compensated preset deadtime for improved THD performances· High noise immunity· ±100 V high voltage ratings deliver up to 50...

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SeekIC No. : 004378739 Detail

IRS20954S: Features: · Floating PWM input enables easy half bridge implementation· Integrated programmable bi-directional over-current protection with self-reset function· Programmable compensated preset deadt...

IRS20954S Data Sheet

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Part Number:
IRS20954S
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: 2024/4/28

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Product Details

Description



Features:

·  Floating PWM input enables easy half bridge implementation
·  Integrated programmable bi-directional over-current protection with self-reset function
·  Programmable compensated preset deadtime for improved THD performances
·  High noise immunity
·  ±100 V high voltage ratings deliver up to 500W output power
·  3.3 V / 5 V logic compatible input
·  Operates up to 800 kHz
·  RoHS compliant


Specifications

Symbol Definition Min. Max. Units
VB High-side floating supply voltage -0.3 220 V
VS High-side floating supply voltage (Note 1) VB-20 VB+0.3
VHO High-side floating output voltage Vs-0.3 VB+0.3
VCSH CSH pin input voltage Vs-0.3 VB+0.3
VCC Low-side fixed supply voltage (Note 1) -0.3 20
VLO Low-side output voltage -0.3 VCC +0.3
VDD Floating input supply voltage -0.3 210
VSS Floating input supply voltage (Note 1) (see IDDZ) VDD+0.3
VIN PWM input voltage VSS -0.3 VDD+0.3
VCSD CSD pin input voltage VSS -0.3 VDD+0.3
VDT DT pin input voltage -0.3 VCC +0.3
VOCSET OCSET pin input voltage -0.3 VCC +0.3
VREF VREF pin voltage -0.3 VCC +0.3
IDDZ Floating input supply zener clamp current (Note 1) - 10 mA
ICCZ Low-side supply zener clamp current (Note 1) - 10
IBSZ Floating supply zener clamp current (Note 1) - 10
IOREF Reference output current - 5
d VS /dt Allowable VS voltage slew rate - 50 V/ns
d VSS /dt Allowable VSS voltage slew rate (Note 2) - 50
d VSS /dt Allowable VSS voltage slew rate upon power-up (Note 3) - 50 V/ms
PD Maximum power dissipation - 1.0 W
Rth,JA Thermal resistance, junction to ambient - 115 /W
TJ Junction temperature - 150
TS Storage temperature -55 150
TL Lead temperature (soldering, 10 seconds) - 300
Note1: VDD - VSS, VCC -COM and VB - VS contain internal shunt zener diodes. Please note that the voltage
ratings of these can be limited by the clamping current.
Note2: For the rising and falling edges of step signal of 10 V; Vss=15 V to 200 V.
Note3: Vss ramps up from 0 V to 200 V.


Description

The IRS20954 is a high voltage, high speed MOSFET driver with floating PWM input, specially designed for Class D audio amplifier applications. The bi-directional current sensing requires no external shunt resistors. It can capture over-current conditions at either positive or negative load current direction. A built-in control block provides secure protection sequence against over-current conditions, including a programmable reset timer. The internal deadtime generation block provides accurate gate switch timing and enables optimum deadtime settings for better audio performances, such as THD and audio noise floor.




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