參數(shù)資料
型號(hào): NCP1013ST130T3
廠商: ON SEMICONDUCTOR
元件分類: 穩(wěn)壓器
英文描述: Self-Supplied Monolithic Switcher for Low Standby- Power Offline SMPS
中文描述: 1 A SWITCHING REGULATOR, 143 kHz SWITCHING FREQ-MAX, PSSO4
封裝: PLASTIC, SOT-223, 4 PIN
文件頁(yè)數(shù): 20/24頁(yè)
文件大?。?/td> 324K
代理商: NCP1013ST130T3
NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
http://onsemi.com
20
Typical Application Examples
A 6.5 W NCP1012Based Flyback Converter
Figure 28 shows a converter built with a NCP1012
delivering 6.5 W from a universal input. The board uses the
Dynamic SelfSupply and a simplified Zenertype
feedback. This configuration was selected for cost reasons
and a more precise circuitry can be used, e.g. based on a
TL431:
Figure 28. An NCP1012Based Flyback Converter Delivering 6.5 W
1
2
J1
CEE7.5/2
D1
1N4007
D2
1N4007
E1
10 /400 V
E2
10 /16 V
3
7
2
1
GND
GND
GND
V
CC
HV
FB
GND
IC1
NCP1012
R2
150 k
D5
U160
5
4
8
C2
2n2/Y
4
8
7
6
5
TR1
1
E3
470 /25 V
D6
B150
R3
100 R
R4
180 R
2
1
ZD1
11 V
J2
CZM5/2
IC2
PC817
C1
2.2 nF
R1
47 R
D3
1N4007
D4
1N4007
The converter built according to Figure 29 layouts, gave
the following results:
Efficiency at Vin = 100 Vac and Pout = 6.5 W = 75.7%
Efficiency at Vin = 230 Vac and Pout = 6.5 W = 76.5%
Figure 29. The NCP1012Based PCB Layout . . . and its Associated Component Placement
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NCP1014/D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Self-Supplied Monolithic Switcher for Low Standby-Power Offline SMPS