参数资料
| 型号： | NCP1015ST65T3G |
| 厂商： | ON Semiconductor |
| 文件页数： | 19/22页 |
| 文件大小： | 0K |
| 描述： | IC OFFLINE SWIT SMPS CM SOT223 |
| 标准包装： | 4,000 |
| 输出隔离： | 隔离 |
| 频率范围： | 59kHz ~ 71kHz |
| 输入电压： | 8.1 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： | TO-261-4，TO-261AA |
| 供应商设备封装： | SOT-223 |
| 包装： | 带卷 (TR) |
NCP1015
A 7.0 W NCP1015 ? based Flyback Converter Featuring Low Standby Power
Figure 29 shows another typical application showing a
NCP1015 ? 65 kHz operating in a 7 W converter up to 70 ° C
of ambient temperature. We can grow ? up the output power
since an auxiliary winding is used, the DSS is disabled, and
Vbulk
1N4148
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 @
0.5 A
+ 100 m F/16 V
C7
R2
3.3 k
D3
MUR160
C2
47 m F/
450 V
+
NCP1015
1 V CC GND 8
2 NC NC 7
R3
1k
R5
39 k
3 NC
4 FB DRAIN 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 29. A Typical Converter Delivering 5 W from a Universal Mains
Measurements have been taken from a demonstration
board implementing Figure 12 12’s sketch and the following
results were achieved, with either the auxiliary winding in
place or through the Dynamic Self ? Supply:
V in = 230 Vac, auxiliary winding, P out = 0, P in = 60 mW
V in = 100 Vac, auxiliary winding, P out = 0, P in = 42 mW
V in = 230 Vac, Dynamic Self ? Supply, P out = 0, P in =
300 mW
V in = 100 Vac, Dynamic Self ? Supply, P out = 0, P in =
130 mW
P out = 7 W, h = 81% @ 230 Vac, with aux winding
P out = 7 W, h = 81.3% @ 100 Vac, with aux winding
For a quick evaluation of Figure 29 application example,
the following transformers are available from Coilcraft:
A9619 ? C, L p = 3 mH, Np : Ns = 1: 0.1, 7 W application on
universal mains, including auxiliary winding, NCP1015 ?
65 kHz
A0032 ? A, L p = 6 mH, Np : Ns = 1: 0.055, 10 W application
on European mains, DSS operation only, NCP1015 ? 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
19
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