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參數(shù)資料
| 型號(hào)： | IRS20954S |
| 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(dòng)程序 |
| 文件頁數(shù)： | 1/25頁 |
| 文件大?。?/td> | 585K |
| 代理商： | IRS20954S |
www.irf.com
1
IRS20954S
Protected Digital Audio Driver
Product Summary
V
OFFSET
(max)
Gate driver
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 500 W output
power
3.3 V / 5 V logic compatible input
Operates up to 800 kHz
RoHS compliant
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.
±
100 V
1.0 A
1.2 A
15 ns, 25 ns,
35 ns, 45 ns
90 ns
1
μ
s (max)
Io+
Io -
Selectable Deadtime
Propagation delay
OC protection delay
Package
Typical Connection
(Please refer to Lead
Assignments for correct
pin configuration. This
diagram shows
electrical connections
only)
Data Sheet No. PD60276
IRS20954 S
12 V
VDD
IN
CSD
VSS
COM
OCSET
LO
VCC
HO
VS
DT
CSH
VB
-B
Vcc
Speaker
+B
PWM
VREF
NC
NC
)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IRS20954SPBF | Protected Digital Audio Driver |
| IRS20954STRPBF | Protected Digital Audio Driver |
| IRS20955PBF | PROTECTED DIGITAL AUDIO DRIVER |
| IRS20955SPBF | PROTECTED DIGITAL AUDIO DRIVER |
| IRS2104PBF | HALF-BRIDGE DRIVER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IRS20954SPbF | 功能描述:功率驅(qū)動(dòng)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(shí)間: 下降時(shí)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 |
| IRS20954STRPbF | 功能描述:功率驅(qū)動(dòng)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(shí)間: 下降時(shí)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 |
| IRS20955PBF | 制造商:International Rectifier 功能描述:MOSFET DRVR 100V 1.2A 2-OUT HI/LO SIDE HALF BRDG INV/NON-INV - Bulk |
| IRS20955SPBF | 功能描述:功率驅(qū)動(dòng)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(shí)間: 下降時(shí)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(dòng)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(shí)間: 下降時(shí)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 |
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