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參數資料
| 型號： | TOP244F |
| 英文描述： | SMPS Controller |
| 中文描述： | 開關電源控制器 |
| 文件頁數： | 39/52頁 |
| 文件大小： | 457K |
| 代理商： | TOP244F |
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TOP242-250
39
H
9/02
Conditions
(Unless Otherwise Specified)
See Figure 53
SOURCE = 0 V
;
T
J
= -40 to 125
°
C
Min
Typ
Max
Parameter
Symbol
Units
SUPPLY VOLTAGE CHARACTERISTICS
36
5.60
5.85
6.10
±
50
1.0
1.6
2.5
1.2
2.2
3.2
1.3
2.4
3.65
0.3
0.6
1.3
V
V
ppm/
°
C
mA
V
C(SHUNT)
l
CD1
l
CD2
See Note E
I
C
= 4 mA
Output
MOSFET Disabled
V
X
, V
L
, V
M
= 0 V
NOTES:
A. For specifications with negative values, a negative temperature coefficient corresponds to an increase in
magnitude with increasing temperature, and a positive temperature coefficient corresponds to a decrease in
magnitude with increasing temperature.
B. Guaranteed by characterization. Not tested in production.
C. For externally adjusted current limit values, please refer to Figure 55 (Current Limit vs. External Current Limit
Resistance) in the Typical Performance Characteristics section.
D. Breakdown voltage may be checked against minimum BV
DSS
specification by ramping the DRAIN pin voltage up to
but not exceeding minimum BV
DSS
.
E. It is possible to start up and operate
TOPSwitch-GX
at DRAIN voltages well below 36 V. However, the
CONTROL pin charging current is reduced, which affects start-up time, auto-restart frequency, and auto-restart
duty cycle. Refer to Figure 67, the characteristic graph on CONTROL pin charge current (I
C
) vs. DRAIN voltage
for low voltage operation characteristics.
DRAIN Supply
Voltage
Shunt Regulator
Voltage
Shunt Regulator
Temperature Drift
Control Supply/
Discharge Current
Output
MOSFET Enabled
V
X
, V
L
, V
M
= 0 V
TOP242-245
TOP246-249
TOP250
OUTPUT
Rise Time
Fall Time
t
R
t
F
Measured in a Typical
Flyback Converter Application
100
ns
50
ns
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PDF描述 |
|---|---|
| TOP244G | SMPS Controller |
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| TOP244P | SMPS Controller |
| TOP244R-TL | SMPS Controller |
| TOP245F | SMPS Controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TOP244F- | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP244FN | 功能描述:交流/直流開關轉換器 45 W 85-265 VAC 65 W 230 VAC RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開關頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel |
| TOP244FN- | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP244FN-TL | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP244F-TL | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
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