參數(shù)資料
型號: IR2171STR
廠商: International Rectifier
文件頁數(shù): 3/6頁
文件大?。?/td> 141K
描述: IC CURRENT SENSE 8SOIC
標準包裝: 2,500
功能: 電流感應
輸入電壓: 9.5 V ~ 20 V
電流 - 輸出: 1mA
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 8-SOICN
包裝: 帶卷 (TR)
3
IR2171/IR2172
www.irf.com
V
IN
  Nominal input voltage range before saturation
-260

260
  |V
IN+
_
V
IN-
|
V
OC+
 
 Overcurrent trip positive input voltage

260

V
OC-
  Overcurrent trip negative input voltage

-260

V
OS
  Input offset voltage
-10
0
10
V
IN
 = 0V (Note 1)

V
OS
/

T
A   
Input offset voltage temperature drift

25

礦/
o
C
G
  Gain (duty cycle % per V
IN
)
157
162
167
%/V    max gain error=5%
(Note 2)
G
/

TA
 
 Gain temperature drift

20
    ppm/
o
C
I
LK
  Offset supply leakage current


50
 V
B
 = V
S
 = 600V
I
QBS
  Quiescent V
BS
 supply current

1
2
V
S
 = 0V
I
QCC
  Quiescent V
CC
 supply current


0.5
LIN
  Linearity (duty cycle deviation from ideal linearity

0.5
1
%
  curve)
 V
LIN/

TA      
Linearity temperature drift

.005

%/
o
C
I
OPO
  Digital PWM output sink current
20


2


I
OCC
  OC output sink current (IR2172)
10


1


DC Electrical Characteristics
V
CC
= V
BS
 = 15V, and T
A
 = 25
o
C unless otherwise specified.
Symbol
Definition
Min.  Typ.  Max. Units Test Conditions
Note 1: ?0mV offset represents ?.5% duty cycle fluctuation
Note 2: Gain = (full range of duty cycle in %) / (full input voltage range).
mA
mV
mA
V
O
 = 1V
V
O
 = 0.1V
V
O
 = 1V
V
O
 = 0.1V
V
CC
  = V
BS
 = 15V, and T
A
 = 25
o
C unless otherwise specified.
Symbol
Definition
Min.  Typ.  Max. Units Test Conditions
 Propagation delay characteristics
fo
Carrier frequency output
35
41
47
kHz

f
/

TA
Temperature drift of carrier frequency

500
    ppm/
o
C
Dmin
Minimum duty

7

%
Dmax
Maximum duty

93

%
V
IN
+=+260mV,V
IN
-=0V
BW
fo bandwidth
15
kHz
PHS
Phase shift at 1kHz
-10
o
tdoc
 Propagation delay time of OC (IR2172)
1
1.5

twoc
 Low true pulse width of OC (IR2172)

1

AC Electrical Characteristics
figure 1
V
IN
 = 0 & 5V
V
IN
+=-260mV,V
IN
-=0V
V
IN
+ = 100mVpk -pk
sine wave, gain=-3dB
V
IN
+ =100mVpk-pk
sine wave
祍ec
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