参数资料
型号: IR22771SPBF
厂商: International Rectifier
文件页数: 5/16页
文件大小: 441K
描述: IC CURRENT SENSE 16SOIC
标准包装: 45
功能: 电流感应
输入电压: 8 V ~ 20 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC
包装: 管件
 
 
IR22771S/IR21771S(PbF) 
5
      www.irf.com
 
AC Electrical Characteristics
V
BIAS
 (
V
CC
, V
BS
) = 15V unless otherwise specified. Temp=27癈.
 
Symbol
Definition
Min
Typ
Max
Units
Test
Conditions
f
sync
 
PWM frequency
4
 
20
kHz
 
f
out
 
Throughput
 
fsync
2
 
 
ksample/sec
 
BW
Bandwidth (@ -3 dB)
 
fsync
 
 
kHz
 
GD
Group Delay (input filter)
 
fsync
4
1
?/DIV>
 
 
D
min
Minimum Duty Cycle (Note 1)
 
10
 
%
V
in
=+V
inmax
 
D
max
Maximum Duty Cycle (Note 1)
 
30
 
%
V
in
=-V
inmin
 
t
dOCon
 
De-bounce time of OC
2.7
3.5
4.7
See Figure 4
 
T
OCoff
Time to reset OC forcing PO
 
 
0.5
See
Figure
 4
MD
Measure Delay
 
 
fsync
2
30
.
0
?/DIV>
 
 
SR
Step response (max time to reach
steady state)
fsync
51
.
0
 
fsync
3
.
1
 
See Figure 5
Note 1: negative logic, see fig. 4 on page 7 
Note 2: Cload < 5 nF avoids overshoot
 
 
Figure 4: OC timing diagram 
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