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PDF IRS20124S Data sheet ( Hoja de datos )
| Número de pieza | IRS20124S | |
| Descripción | DIGITAL AUDIO DRIVER WITH DISCRETE DEAD-TIME AND PROTECTION | |
| Fabricantes | International Rectifier | |
| Logotipo |  |
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Data Sheet No. PD60240 revA
IRS20124S(PbF)
DIGITAL AUDIO DRIVER WITH DISCRETE DEAD-TIME AND PROTECTION
Features
• 200V high voltage ratings deliver up to 1000W
output power in Class D audio amplifier
applications
• Integrated dead-time generation and bi-directional
over current sensing simplify design
• Programmable compensated preset dead-time for
improved THD performances over temperature
• High noise immunity
• Shutdown function protects devices from overload
conditions
• Operates up to 1MHz
• 3.3V/5V logic compatible input
Product Summary
VSUPPLY
200V max.
IO+/-
1A / 1.2A typ.
Selectable Dead Time
15/25/35/45ns typ.
Prop Delay Time
70ns typ.
Bi-directional Over
Current Sensing
Package
Typical Application Diagram
<20V
IN
<20V
OC
SD
IN
OCSET1
NC
NC
DT/SD
VB
OCSET2
OC
HO
VS
COM
NC
LO VCC
IRS 20124
14-Lead SOIC
<200V
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1
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1 page  
IRS20124S(PbF)
Lead Definitions
Symbol Description
VCC
VB
HO
VS
IN
DT/SD
COM
LO
OC
OCSET1
OCSET2
Low side logic Supply voltage
High side floating supply
High side output
High side floating supply return
Logic input for high and low side gate driver outputs (HO and LO), in phase with HO
Input for programmable dead-time, referenced to COM. Shutdown LO and HO when tied to COM
Low side supply return
Low side output
Over current output (negative logic)
Input for setting negative over current threshold
Input for setting positive over current threshold
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1 IN
NC 14
2 OCSET1 NC 13
3 DT/SD VB 12
4 OCSET2 HO 11
5 OC
6 COM
VS 10
NC 9
7 LO
VCC 8
IR20124S 14 Lead SOIC (narrow body)
5
5 Page 
IRS20124S(PbF)
5
4
3
2 Min.
1
-50 -25
0 25 50 75
Temperature (oC)
100 125
Figure 10A. Logic "1" Input Voltage
vs. Tem perature
5
4
3
2
Min.
1
10 12 14 16 18
VCC Supply Voltage (V)
Figure 10B. Logic "1" Input Voltage
vs. Supply Voltage
20
4
3
2
Max.
1
0
-50 -25
0
25 50 75 100
Temperatre (oC)
Figure 11A. Logic "0" Input Voltage
vs. Temperature
125
4
3
2
Max.
1
0
10 12 14 16 18 20
VCC Supply Voltage (V)
Figure 11B. Logic "0" Input Voltage
vs. Supply Voltage
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11
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet IRS20124S.PDF ] | |
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