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T0P243G PDF预览

T0P243G

更新时间: 2022-11-26 03:15:51
品牌 Logo 应用领域
帕沃英蒂格盛 - POWERINT 开关
页数 文件大小 规格书
48页 768K
描述
Family Extended Power, Design Flexible,Integrated Off-line Switcher

T0P243G 数据手册

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®
TOP242-249  
®
TOPSwitch -GX Family  
Extended Power, Design Flexible,  
EcoSmart®, IntegratedOff-line Switcher  
Product Highlights  
+
Lower System Cost, High Design Flexibility  
AC  
IN  
DC  
OUT  
Extended power range to 250 W  
-
Features eliminate or reduce cost of external components  
Fully integrated soft-start for minimum stress/overshoot  
Externally programmable accurate current limit  
D
S
L
Wider duty cycle for more power, smaller input capacitor  
CONTROL  
C
Separate line sense and current limit pins on Y/R packages  
Line under-voltage (UV) detection: no turn off glitches  
Line overvoltage (OV) shutdown extends line surge limit  
TOPSwitch-GX  
X
F
Line feed forward with maximum duty cycle (DCMAX  
reduction rejects line ripple and limits DCMAX at high line  
Frequency jittering reduces EMI and EMI filtering costs  
Regulates to zero load without dummy loading  
)
PI-2632-060200  
Figure 1. Typical Flyback Application.  
132 kHz frequency reduces transformer/power supply size  
HalffrequencyoptioninY/Rpackagesforvideoapplications  
Hysteretic thermal shutdown for automatic fault recovery  
Large thermal hysteresis prevents PC board overheating  
OUTPUT POWER TABLE  
230 VAC 15%4  
85-265 VAC  
PRODUCT3  
Open  
Open  
Adapter1  
Adapter1  
Frame2  
Frame2  
EcoSmart - Energy Efficient  
TOP242 P or G  
TOP242 R  
9 W  
10 W  
10 W  
15 W  
22 W  
22 W  
6.5 W  
7 W  
7 W  
10 W  
14 W  
14 W  
Extremely low consumption in remote off mode  
(80 mW @ 110 VAC, 160 mW @ 230 VAC)  
Frequency lowered with load for high standby efficiency  
Allows shutdown/wake-up via LAN/input port  
TOP242 Y  
TOP243 P or G  
TOP243 R  
13 W  
20 W  
13 W  
25 W  
43 W  
45 W  
9 W  
15 W  
15 W  
15 W  
23 W  
30 W  
TOP243 Y  
Description  
TOP244 P or G  
TOP244 R  
16 W  
28 W  
30 W  
30 W  
52 W  
65 W  
11 W  
18 W  
20 W  
20 W  
28 W  
45 W  
TOPSwitch-GX uses the same proven topology as TOPSwitch,  
cost effectively integrating the high voltage power MOSFET,  
PWM control, fault protection and other control circuitry onto  
a single CMOS chip. Many new functions are integrated to  
reduce system cost and improve design flexibility, performance  
and energy efficiency.  
TOP244 Y  
TOP245 R  
TOP245 Y  
33 W  
40 W  
58 W  
85 W  
20 W  
26 W  
32 W  
60 W  
TOP246 R  
TOP246 Y  
37 W  
60 W  
65 W  
125 W  
24 W  
40 W  
36 W  
90 W  
Depending on package type, the TOPSwitch-GX family has  
either1or3additionalpinsoverthestandardDRAIN,SOURCE  
and CONTROL terminals. allowing the following functions:  
line sensing (OV/UV, line feedforward/DC max reduction),  
accurate externally set current limit, remote on/off, and  
synchronization to an external lower frequency and frequency  
selection (132 kHz/66 kHz).  
TOP247 R  
TOP247 Y  
41 W  
85 W  
73 W  
165 W  
26 W  
55 W  
43 W  
125 W  
TOP248 R  
TOP248 Y  
43 W  
78 W  
28 W  
70 W  
48 W  
155 W  
105 W 205 W  
45 W 82 W  
120 W 250 W  
TOP249 R  
TOP249 Y  
30 W  
80 W  
52 W  
180 W  
All package types provide the following transparent features:  
Soft-start, 132kHzswitchingfrequency(automaticallyreduced  
Table 1. Notes: 1. Typical continuous power in a non-ventilated  
enclosed adapter measured at 50 °C ambient. Assumes 1 sq. in. of  
2 oz. copper heat sink area for R package. 2. Maximum practical  
continuous power in an open frame design at 50 °C ambient. See  
Key Applications for detailed conditions. Assumes 3 sq. in. of 2 oz.  
copper heat sink area for R package. 3. See Part Ordering Information.  
4. 230 VAC or 100/115 VAC with doubler.  
at light load), frequency jittering for lower EMI, wider DCMAX  
,
hysteretic thermal shutdown and larger creepage packages. In  
addition, all critical parameters (i.e. current limit, frequency,  
PWM gain) have tighter temperature and absolute tolerance, to  
simplify design and optimize system cost.  
July 2001  

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