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IRS20954SPBF PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IRS20954SPBF
部品説明 Protected Digital Audio Driver
メーカ International Rectifier
ロゴ International Rectifier ロゴ 



Total 25 pages
		

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IRS20954SPBF Datasheet, IRS20954SPBF PDF,ピン配置, 機能
Data Sheet No. PD60276
Not recommended for new designs.
IRS20954SPBFPlease use IRS20955.
Protected Digital Audio 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
Ro HS compliant
Product Summary
VOFFSET (max)
± 100 V
Gate driver
Io+ 1.0 A
Io - 1.2 A
Selectable Deadtime
15 ns, 25 ns,
35ns, 45 ns
Propagation delay
90 ns
OC protection delay
1 µs (max)
Description
The IRS2 0954 is a high voltage, high spe ed M OSFET drive r
with floating PWM input, spe cially desi gned for Cla ss D au dio
amplifier ap plications. The bi-di rectional cu rrent sensi ng
requires no external shunt resistors. It can ca pture over-current
conditions at either positive or negative load current direction. A
built-in control block p rovides secure prote ction sequence
against over-current conditions, including a programmable reset
timer. The internal de adtime gen eration blo ck provide s
accurate gat e swit ch timing and en ables optim um deadtime
settings for b etter audio performances, such as T HD and a udio
noise floor.
Typical Connection
Package
PWM
(Please refer to Lead
Assignments for correct
pin configuration. This
diagram shows
electrical connections
only)
IRS 20954 S
VDD
CSH
CSD
VB
IN HO
VSS
VS
NC
VREF
OCSET
NC
VCC
LO
DT COM
+B
Speaker
Vcc
12 V
-B
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Protected Digital Audio Driver

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