参数资料
| 型号： | NCP1015ST65T3G |
| 厂商： | ON Semiconductor |
| 文件页数： | 18/22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
Typical Application Examples
A 6.5 W NCP1015 ? based Flyback converter. (For
evaluation a universal NCP1012 demo ? board can be used)
Figure 27 shows a converter originally built with a
NCP1012 which can be easily used for evaluation of
input range. The board uses the Dynamic Self ? Supply and
a simplified zener ? type feedback. This configuration was
selected for cost reasons and a more precise circuitry can be
used, e.g. based on a TL431:
NCP1015 device delivering 6.5 W from a universal volts
D6
V CC DRAIN
FB
GND
GND
GND
GND
4
R1
47 R
1
2
J1
CEE7.5/2
D1
1N4007
D3
1N4007
D2
1N4007
D4
1N4007
E1
10 m /400 V
E2
10 m /63 V
1
2
3
7
R2 C1
150 k 2n2/Y
IC1
NCP1012
D5
U160
5
4
8
1 TR1 8
7
6
5
IC2
PC817
B150
E3
470 m /25 V
ZD1
11 V
R3
100 R
2
1
J2
CZM5/2
R4
180 R
C2
2n2/Y
Figure 27. A NCP1012 ? based Flyback Converter Delivering 6.5 W
The converter built according to Figure 28 layouts, gave
the following results:
? Efficiency at V in = 100 Vac and P out = 6.5 W = 75.7%
? Efficiency at V in = 230 Vac and P out = 6.5 W = 76.5%
Figure 28. The NCP1012 ? based PCB Layout and its Associated Component Placement
http://onsemi.com
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