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參數(shù)資料
| 型號： | T0P243G |
| 廠商： | Power Integrations, Inc. |
| 英文描述： | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
| 中文描述： | 家庭擴(kuò)展的電源，設(shè)計(jì)靈活，集成的離線切換 |
| 文件頁數(shù)： | 1/48頁 |
| 文件大?。?/td> | 771K |
| 代理商： | T0P243G |
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TOP242-249
TOPSwitch -GX
Family
Extended Power, Design Flexible,
EcoSmart
Product Highlights
,
Integrated
Off-line Switcher
July 2001
Figure 1. Typical Flyback Application.
PRODUCT
3
Adapter
1
Open
Frame
2
15 W
22 W
22 W
25 W
43 W
45 W
30 W
52 W
65 W
58 W
85 W
65 W
125 W
73 W
165 W
78 W
205 W
82 W
250 W
Open
Frame
2
10 W
14 W
14 W
15 W
23 W
30 W
20 W
28 W
45 W
32 W
60 W
36 W
90 W
43 W
125 W
48 W
155 W
52 W
180 W
OUTPUT POWER TABLE
230 VAC
±
15%
4
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.
PI-2632-060200
AC
IN
DC
OUT
D
S
C
TOPSwitch-GX
CONTROL
L
+
-
F
X
Adapter
1
85-265 VAC
9 W
10 W
10 W
13 W
20 W
13 W
16 W
28 W
30 W
33 W
40 W
37 W
60 W
41 W
85 W
43 W
105 W
45 W
120 W
6.5 W
7 W
7 W
9 W
15 W
15 W
11 W
18 W
20 W
20 W
26 W
24 W
40 W
26 W
55 W
28 W
70 W
30 W
80 W
Lower System Cost, High Design Flexibility
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
Wider duty cycle for more power, smaller input capacitor
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
Line feed forward with maximum duty cycle (DC
)
reduction rejects line ripple and limits DC
at high line
Frequency jittering reduces EMI and EMI filtering costs
Regulates to zero load without dummy loading
132 kHz frequency reduces transformer/power supply size
Half frequency option in Y/R packages for video applications
Hysteretic thermal shutdown for automatic fault recovery
Large thermal hysteresis prevents PC board overheating
EcoSmart
-
Energy Efficient
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
Description
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.
Depending on package type, the
TOPSwitch-GX
family has
either 1 or 3 additional pins over the standard DRAIN, 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).
All package types provide the following transparent features:
Soft-start, 132 kHz switching frequency (automatically reduced
at light load), frequency jittering for lower EMI, wider DC
,
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.
TOP242 P or G
TOP242 R
TOP242 Y
TOP243 P or G
TOP243 R
TOP243 Y
TOP244 P or G
TOP244 R
TOP244 Y
TOP245 R
TOP245 Y
TOP246 R
TOP246 Y
TOP247 R
TOP247 Y
TOP248 R
TOP248 Y
TOP249 R
TOP249 Y
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