IRS20955PbF Selling Leads, Price trend, IRS20955PbF DataSheet download, circuit diagram from SeekIC.com

Features: · Floating PWM input enables easy half-bridge implementation· Programmable bidirectional over-current protection with self-reset function· Programmable preset deadtime for improved THD performances· High noise immunity· ±100 V ratings deliver up to 500 W in output power· 3.3 V/5 V logic ...

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SeekIC No. : 004378740 Detail

IRS20955PbF: Features: · Floating PWM input enables easy half-bridge implementation· Programmable bidirectional over-current protection with self-reset function· Programmable preset deadtime for improved THD per...

IRS20955PbF Data Sheet

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Part Number:: IRS20955PbF
Supply Ability:: 5000

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Upload time: 2024/4/27

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Product Details

Description

Features:

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

Specifications

Symbol	Definition	Min.	Max.	Units
V_B V_S V_HOV_CSH	High side floating absolute voltage High side floating supply offset voltage High side floating output voltage CSH pin input voltage	-0.3 V_B - 20 V_S - 0.3 V_S - 0.3	625 V_B+ 0.3 V_B + 0.3 V_B + 0.3	V
V_CC V_LO V_IN V_SS	Low side and logic fixed supply voltage Low side output voltage Logic input voltage Logic ground (IRS21064 only)	-0.3 -0.3 V_SS- 0.3 V_CC - 25	20 V_CC + 0.3 V_CC + 0.3 V_CC + 0.3
V_IN V_CSD V_DT V_OCSET V_REF	PWM input voltage CSD pin input voltage DT pin input voltage OCSET pin input voltage VREF pin voltage	V_SS-0.3 V_SS-0.3 -0.3 -0.3 -0.3	V_DD+0.3 V_DD+0.3 V_CC +0.3 V_CC +0.3 V_CC+0.3
IDDZ I_CCZ I_BSZ I_OREF	Floating input supply Zener clamp current (Note1) Low side supply Zener clamp current (Note1) Floating supply Zener clamp current (Note1) Reference output current	- - - -	10 10 10 5	mA
d V_S /dt d V_SS /dt d V_SS /dt	Allowable VS voltage slew rate Allowable VSS voltage slew rate (Note2) Allowable VSS voltage slew rate upon power-up (Note3)	- - -	50 50 50	V/ns
P_D	Package power dissipation @ TA +25	-	1.0	W
R_thJA	Thermal resistance, junction to ambient	-	115	/W
T_J T_S T_L	Junction temperature Storage temperature Lead temperature (soldering, 10 seconds)	- -50 -	150 150 300

Note1: V_DD - V_SS, V_CC -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 IRS20955 is a high voltage, high speed MOSFET driver with a floating PWM input designed for Class D audio amplifier applications.

Bi-directional current sensing detects over-current conditions during positive and negative load currents without any external shunt resistors. A built-in protection control block provides a secure protection sequence against overcurrent conditions and a programmable reset timer.

The internal deadtime generation block enables accurate gate switching and optimum deadtime setting for better audio performance, such as lower THD and lower audio noise floor.

IRS20955PbF

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