參數(shù)資料
型號(hào): NCP1014(中文)
廠(chǎng)商: ON SEMICONDUCTOR
英文描述: Self-Supplied Monolithic Switcher for Low Standby-Power Offline SMPS(自身供電的單片轉(zhuǎn)換開(kāi)關(guān),用于待機(jī)功耗低的離線(xiàn)開(kāi)關(guān)方式電源)
中文描述: 自提供的單片切換為低待機(jī)功耗離線(xiàn)開(kāi)關(guān)電源(自身供電的單片轉(zhuǎn)換開(kāi)關(guān),用于待機(jī)功耗低的離線(xiàn)開(kāi)關(guān)方式電源)
文件頁(yè)數(shù): 17/24頁(yè)
文件大小: 947K
代理商: NCP1014(中文)
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Fsw
Ip
Lp
Pout
η
=
2
2
1
19
Ip
19
2
Tsw=
)
)
(
1
1
(
Vf
Vout
N
Vin
Lp
Fsw
Pout
Lp
+
+
η
20
Lp
Lpcritical =
)]
2
Vf
+
(
(
[
2
)
(
2
2
2
Vin
Vin
Vr
)
Vr
Vout
Pout
Vr =
Fsw
Vr
+
Vin
+
η
21
N
DCM
Lp
NCP101X
50%
Lp
Lpmax =
max
min
max
Ip
Tsw
Vin
DC
22
Vinmin
ton
Ipmax
350mA
NCP1013
21
22
NCP101X
Pmax :=
)
min
max
2
min
max
4
max
2
+
min
2
2
2
2
2
Vin
Lp
Vin
Vr
Lp
Vr
Lp
Fsw
Vr
Vin
Tsw
+
η
23
Lp
22
Tsw
Vin
Ip
d
=
24
MOSFET
RMS
3
d
Ip
IdRMS
=
25
.
MOSFET
DSon
R
d
Ip
Pavg
=
2
3
1
26
23
Lp
100Vac
NCP101X
7.0W
Fswitching
18W
AND8125/D
NCP101X
NCP101X
1
12V 7.0W
SMPS
NCP101X
Vin = 100Vac
250Vac
140Vdc
350Vdc
= 80%
Vout = 12V
Fswitching = 65kHz
Ip max = 350mA – 10% = 315mA
Iout = 580mA
= 120V
= 0.5V
Vout = 12V
Np:Ns = 1:0.1
Lp critical = 3.2mH
Ip = 292mA
= 50%
Idrain RMS = 119mA
R
Dson
= 24
DSS
T
J
>100
P
DSS
= 1.1mA x 350V = 385mW
=
350 x 0.1
MBRS360T3
3.0A/60V
P
MOSFET
= 354mW
+12 = 47V
2
12V 16W
SMPS
NCP101X
Vin = 230Vac
±
15%
= 80%
Vout = 12V
Fswitching = 65kHz
Ip max = 350mA – 10% = 315mA
276Vdc
370Vdc
Iout = 1.25A
= 250V
= 0.5V
Vout = 12V
Lp = 6.6mH
Ip = 0.305mA
Np:Ns = 1:0.05
= 0.47
Idrain RMS = 121mA
R
Dson
= 24
T
J
>100
50
P
MOSFET
= 368mW
DSS
P
DSS
= 1.1mA x
370V = 407mW
=
370 x 0.05
3.0A/40V
+12 = 30.5V
MBRS340T3
10ms
Bulk
Vbulk
7.0W
47μF
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