參數(shù)資料
型號: IR1150STR
廠商: International Rectifier
元件分類: 基準電壓源/電流源
英文描述: UPFC ONE CYCLE CONTROL PFC IC
中文描述: 統(tǒng)一潮流控制器的單周期控制功率因數(shù)校正集成電路
文件頁數(shù): 10/16頁
文件大?。?/td> 248K
代理商: IR1150STR
www.irf.com
3
IR1150S/IR1150IS(PbF)
Electrical Characteristics cont.
The electrical characteristics involve the spread of values guaranteed within the specified supply voltage and junction
temperature range T
J from – 25° C to 125°C. Typical values represent the median values, which are related to 25°C. If not
otherwise stated, a supply voltage of VCC =15V is assumed for test condition.
Oscillator Section
Parameters
Symbols
Min. Typ.
Max.
Units
Remarks
Switching frequency
fSW
50
200
kHz
RSET = 165k -37k approx.
Initial accuracy
fSW ACC
——
5
%
TA= 25oC
Voltage stability
VSTAB
0.2
3
%
13V <VCC <20V
Temperature stability
TSTAB
2
%
-25oC
TJ125oC
Total variation
fVT
10
%
Line & temperature
Long term stability
FSTABLT
0.1
0.5
%
TAMB = 125oC, 1000Hrs
Maximum duty cycle
DMAX
93
98
%
fSW=200kHz
Minimum duty cycle
DMIN
——
0
%
Minimum off time
Toffmin
200
300
400
ns
fSW=50kHz to 200kHz
Protection Section
Parameters
Symbols
Min. Typ.
Max.
Units
Remarks
Open loop protection (OLP)
Vfb threshold
VOLP
17
19
21
%VREF
Output under voltage
protection (OUV)
VOUV
49
51
53
%VREF Brown out protection
Output over voltage
protection (OVP)
VOVP
104
105.5
107
%VREF
OVP hysteresis
350
450
550
mV
Peak current limit protection
(IPKLMT) ISNS voltage threshold
VISNS
-1.11
-1.04
-0.96
V
Parameters
Symbols
Min. Typ.
Max.
Units
Remarks
Operating current
ICC
—18
22
mA
CLOAD=1nF fSW=200kHZ
—36
40
mA
CLOAD=10nF fSW=200kHZ
8
10
mA
Standby mode - inactive gate
Internal oscillator running
Startup current
ICCSTART
175
uA
VCC=VCC ON -0.1V
Sleep current
ISLEEP
125
200
uA
VOVP<0.5V (typ),VCC =15V
Sleep mode threshold
VSLEEP
0.565
0.615
0.665
V
VCC =15V
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