t
參數(shù)資料
型號: IRAUDAMP4A
廠商: International Rectifier
文件頁數(shù): 15/16頁
文件大?。?/td> 0K
描述: KIT DESIGN IRS20957S/IRF6645
標(biāo)準包裝: 1
放大器類型: D 類
輸出類型: 2 通道(立體聲)
在某負載時最大輸出功率 x 通道數(shù)量: 120W x 2 @ 4 歐姆
電源電壓: ±25 V ~ 35 V
板類型: 完全填充
已用 IC / 零件: IRF6645,IRS20957
已供物品:
IRS20957S
www.irf.com
2008 International Rectifier
8
Protection (continued)
Symbol
Description
Min
Typ
Max
Units
Test Conditions
tSD
Shutdown propagation delay
from VCSD > VSS + VthOCH to
Shutdown
-
250
Figure 2
tOCH
Propagation delay time from
VCSH > VthOCH to Shutdown
-
500
Figure 4
tOCL
Propagation delay time from
Vs> VthOCL to Shutdown
-
500
ns
Figure 3
Gate Driver
Io+
Output high short circuit
current (Source)
-
1.0
-
Vo=0V,
PW<10S
Io-
Output low short circuit
current (Sink)
-
1.2
-
A
Vo=12V,
PW<10S
VOL
Low level out put voltage
LO – COM, HO – VS
-
0.1
Io=0A
VOH
High level out put voltage
VCC – LO, VB – HO
-
1.4
V
Io=0A
tr
Turn-on rise time
-
15
-
tf
Turn-off fall time
-
10
-
Ton_1
High and low side turn-on
propagation delay, floating
inputs
-
95
-
VDT = VCC,
VS = 100V,
VSS = 100V
Toff_1
High and low side turn-off
propagation delay, floating
inputs
-
80
-
VDT = VCC,
VS = 100V,
VSS = 100V
Ton_2
High and low side turn-on
propagation delay, non-
floating inputs
-
95
-
VDT = VCC,
VS = 100V,
VSS = COM
Toff_2
High and low side turn-off
propagation delay, non-
floating inputs
-
80
-
VDT = VCC,
VS = 100V,
VSS = COM
DT1
Deadtime: LO turn-off to HO
turn-on (DTLO-HO) & HO turn-
off to LO turn-on (DTHO-LO)
8
15
22
VDT>VDT1,
VSS = COM
DT2
Deadtime: LO turn-off to HO
turn-on (DTLO-HO) & HO turn-
off to LO turn-on (DTHO-LO)
15
25
35
VDT1>VDT> VDT2,
VSS = COM
DT3
Deadtime: LO turn-off to HO
turn-on (DTLO-HO) & HO turn-
off to LO turn-on (DTHO-LO)
20
35
50
VDT2>VDT> VDT3,
VSS = COM
DT4
Deadtime: LO turn-off to HO
turn-on (DTLO-HO) & HO turn-
off to LO turn-on (DTHO-
LO)VDT= VDT4
50
80
110
ns
VDT3>VDT,
VSS = COM
VDT1
DT mode select threshold 1
0.51xVcc 0.57xVcc
0.63xVcc
VDT2
DT mode select threshold 2
0.32xVcc 0.36xVcc
0.40xVcc
VDT3
DT mode select threshold 3
0.21xVcc 0.23xVcc
0.25xVcc
V
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