參數(shù)資料
型號: IRS20955PBF
廠商: International Rectifier
英文描述: PROTECTED DIGITAL AUDIO DRIVER
中文描述: 受保護(hù)的數(shù)字音頻驅(qū)動程序
文件頁數(shù): 1/21頁
文件大?。?/td> 524K
代理商: IRS20955PBF
www.irf.com
1
IRS20955(S)PbF
PROTECTED DIGITAL AUDIO DRIVER
Product Summary
V
OFFSET
(max)
Gate 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
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 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.
Typical Connection
(Please refer to Lead
Assignments for correct
pin configuration. This
diagram shows
electrical connections
only)
±
100 V
1.0 A
1.2 A
15 ns, 25 ns,
35 ns, 45ns
90 ns
500 ns (max)
I
o+
I
o-
Selectable deadtime
Propagation delay
OC protection delay
Shutdown propagation
delay
250 ns (max)
Package
16-Lead PDIP
IRS20955 (S)
12V
VDD
IN
CSD
VSS
COM
OCSET
LO
VCC
HO
VS
DT
CSH
VB
-B
Vcc
Speaker
+B
PWM
VREF
NC
NC
Data Sheet No. PD60303
16-Lead SOIC
PRELIMINARY
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IRS20955SPBF 功能描述:功率驅(qū)動器IC RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
IRS20955STRPBF 功能描述:功率驅(qū)動器IC RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
IRS20957SPBF 功能描述:功率驅(qū)動器IC Prot DIG Audio DRVR 100V 1.0A 500ns RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
IRS20957SPBF 制造商:International Rectifier 功能描述:IC MOSFET DRIVER HIGH-SPEED SOIC-16 制造商:International Rectifier 功能描述:IC, MOSFET DRIVER, HIGH-SPEED, SOIC-16
IRS20957STRPBF 功能描述:功率驅(qū)動器IC Class D Aud Drvr IC RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube