參數(shù)資料
型號: NCP4326DR2
廠商: ON SEMICONDUCTOR
元件分類: 模擬信號調(diào)理
英文描述: Secondary Controller for Multi−Output Quasi−Resonant Switchmode Power Supplies
中文描述: SPECIALTY ANALOG CIRCUIT, PDSO16
封裝: SOIC-16
文件頁數(shù): 10/30頁
文件大?。?/td> 432K
代理商: NCP4326DR2
NCP4326
http://onsemi.com
10
DRVX Pin
Time
Time
Flux Pin
Vcc/2
DRVX Pin
Time
Time
1.0 V
0.5 V
Flux Pin
Vcc/2
0.1 V
0 V
1.5 V
Time
Driver is disabled
Driver in SoftStart Mode
Driver in Normal Operation Mode
Vcc/2
STBY pin
DRVx pin
ENx pin
Vcc/2
STBY pin
DRVx pin
ENx pin
Figure 4. Standby Propagation Delay Definition
Figure 5. Enable Threshold Definition
Figure 6. T
SS_ON
and T
SS_OFF
Propagation Delay Definition (in SoftStart Mode Operation)
V
ENX
= 5.0 V
V
th
= 2.5 V
T
stby_disch
T
stby_on
T
stby_off
V
th
= 2.5 V
ENx pin
V
ENX_TH2
V
ENX_TH1_max
V
ENX_TH1_min
V
ENX
V
INT_Flux
V
ENX_TH1
V
ENX_max1*90%
T
SS_ON
1.0 V
0.5 V
0.1 V
0 V
1.5 V
V
INT_Flux
V
ENX
T
SS_OFF
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