参数资料
型号: NCP1010AP100
厂商: ON Semiconductor
文件页数: 20/24页
文件大小: 0K
描述: IC OFFLINE SWIT SMPS CM OVP 8DIP
产品变化通告: LTB Notification 03/Jan/2008
标准包装: 1,000
输出隔离: 隔离
频率范围: 90kHz ~ 110kHz
输入电压: 8.5 V ~ 10 V
输出电压: 700V
功率(瓦特): 19W
工作温度: -40°C ~ 125°C
封装/外壳: 8-DIP(0.300",7.62mm),7 引线
供应商设备封装: 7-PDIP
包装: 管件
NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
A 7.0 W NCP1013--based Flyback Converter
Featuring Low Standby Power
Figure 30 depicts another typical application showing a
NCP1013--65 kHz operating in a 7.0 W converter up to
70 ? C of ambient temperature. We can increase the output
Vbulk
1N4148
power since an auxiliary winding is used, the DSS is
disabled, and thus offering more room for the MOSFET. In
this application, the feedback is made via a TLV431 whose
low bias current (100 m A min) helps to lower the no--load
standby power.
GND
D4
+ C10
33 m F/25 V
R4 22
T1
Aux
C8
10 nF
400 V
R7
100 k/
1W
D2
MBRS360T3
T1
L2
22 m H
+ +
C6 C8
470 m F/16 V
12 V @
0.6 A
+ 100 m F/16 V
C7
R2
3.3 k
D3
MUR160
C2
47 m F/
450 V
+
NCP1013P06
1 V CC GND 8
2 NC GND 7
R3
1k
R5
39 k
3 GND
4 FB
D 5
+ 100 m F/10 V
C3
C9
C4
1 nF
IC1
SFH6156--2
100 nF
C5
IC2
TLV431
R6
4.3 k
2.2 nF
Y1 Type
Figure 30. A Typical Converter Delivering 7.0 W from a Universal Mains
Measurements have been taken from a demonstration
board implementing the diagram in Figure 30 and the
following results were achieved, with either the auxiliary
winding in place or through the Dynamic Self--Supply:
Vin = 230 Vac, auxiliary winding, Pout = 0, Pin = 60 mW
Vin = 100 Vac, auxiliary winding, Pout = 0, Pin = 42 mW
Vin = 230 Vac, Dynamic Self--Supply, Pout = 0,
Pin = 300 mW
Vin = 100 Vac, Dynamic Self--Supply, Pout = 0,
Pin = 130 mW
Pout = 7.0 W, η = 81% @ 230 Vac, with auxiliary winding
Pout = 7.0 W, η = 81.3 @ 100 Vac, with auxiliary winding
For a quick evaluation of Figure 30 application example,
the following transformers are available from Coilcraft:
A9619--C, Lp = 3.0 mH, Np:Ns = 1:0.1, 7.0 W
application on universal mains, including auxiliary winding,
NCP1013--65kHz.
A0032--A, Lp = 6.0 mH, Np:Ns = 1:0.055, 10 W
application on European mains, DSS operation only,
NCP1013--65 kHz.
Coilcraft
1102 Silver Lake Road
CARY IL 60013
Email: info@coilcraft.com
Tel.: 847--639--6400
Fax.: 847--639--1469
http://onsemi.com
20
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