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IRS20955SPBF PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IRS20955SPBF
部品説明 PROTECTED DIGITAL AUDIO DRIVER
メーカ International Rectifier
ロゴ International Rectifier ロゴ 



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IRS20955SPBF Datasheet, IRS20955SPBF PDF,ピン配置, 機能
PRELIMINARY
Data Sheet No. PD60303
IRS20955(S)PbF
PROTECTED DIGITAL AUDIO DRIVER
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
Product Summary
VOFFSET (max)
Gate driver
Io+
Io-
Selectable deadtime
Propagation delay
OC protection delay
Shutdown propagation
delay
± 100 V
1.0 A
1.2 A
15 ns, 25 ns,
35 ns, 45ns
90 ns
500 ns (max)
250 ns (max)
Description
The IRS20955 is a high voltage, high speed MOSFET driver
with a floating PWM input designed for Class D audio
amplifier applications.
Package
Bi-directional current sensing detects over-current www.DataSheet4U.com
conditions during positive and negative load currents without
any external shunt resistors. A built-in protection control
block provides a secure protection sequence against over-
current 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.
16-Lead PDIP
16-Lead SOIC
Typical Connection
PWM
(Please refer to Lead
Assignments for correct
pin configuration. This
diagram shows
electrical connections
only)
www.irf.com
IRS20955 (S)
VDD
CSD
IN
VSS
NC
VREF
OCSET
DT
CSH
VB
HO
VS
NC
VCC
LO
COM
+B
Speaker
Vcc
12V
-B
1

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IRS20955SPBF

PROTECTED DIGITAL AUDIO DRIVER

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