參數(shù)資料
型號: IR22771STRPBF
廠商: International Rectifier
文件頁數(shù): 10/16頁
文件大?。?/td> 441K
描述: IC CURRENT SENSE 16SOIC
標(biāo)準(zhǔn)包裝: 500
功能: 電流感應(yīng)
輸入電壓: 8 V ~ 20 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC
包裝: 帶卷 (TR)
 
 
IR22771S/IR21771S(PbF) 
10
      www.irf.com
 
 
 
Figure 8: PO Duty Cycle
 
 
 
Figure 9: Over current block diagram 
 
 
Low voltage
High voltage
Over current
detection
S
R
D
OC
V
SS
PO
Ext
supply
V
IN+
V
IN-
Triangular
SYNC (0)
PO
T
cycle1
T
off_cycle2
Cycle 1
Cycle 2
Cycle 3
Cycle 4
T
cycle2
T
off_cycle3
T
off_cycle1
T
cycle3
T
off_cycle4
1
2
_
1
cycle
cycle
off
T
T
Dn =
2
3
_
2
cycle
cycle
off
T
T
Dn  =
3
4
_
3
cycle
cycle
off
T
T
Dn =
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