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參數(shù)資料
| 型號： | TOP249F |
| 廠商： | POWER INTEGRATIONS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 8.64 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6 |
| 封裝： | PLASTIC, TO-262, 7/6 PIN |
| 文件頁數(shù)： | 9/52頁 |
| 文件大小： | 2175K |
| 代理商： | TOP249F |
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TOP242-250
17
N
4/05
X
PI-2629-092203
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
RIL
RLS
12 k
2 M
VUV = IUV x RLS
VOV = IOV x RLS
For RLS = 2 M
DCMAX@100 VDC = 78%
DCMAX@375 VDC = 38%
For RIL = 12 k
ILIMIT = 69%
See Figure 54b for
other resistor values
(RIL) to select different
ILIMIT values
VUV = 100 VDC
VOV = 450 VDC
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins (cont.)
PI-2640-040501
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
ON/OFF
47 k
QR can be an optocoupler
output or can be replaced by
a manual switch.
300 k
QR
Typical Uses of MULTI-FUNCTION (M) Pin
PI-2508-081199
DC
Input
Voltage
+
-
D
S
C
CONTROL
M
C
D
S
C
D
S
M
PI-2509-040501
DC
Input
Voltage
+
-
D
M
S
C
VUV = IUV x RLS
VOV = IOV x RLS
For RLS = 2 M
VUV = 100 VDC
VOV = 450 VDC
DCMAX@100 VDC = 78%
DCMAX@375 VDC = 38%
CONTROL
RLS
2 M
PI-2510-040501
DC
Input
Voltage
+
-
D
M
S
C
VUV = RLS x IUV
For Value Shown
VUV = 100 VDC
RLS
6.2 V
2 M
22 k
CONTROL
PI-2516-040501
DC
Input
Voltage
+
-
D
M
S
C
VOV = IOV x RLS
For Values Shown
VOV = 450 VDC
CONTROL
RLS
1N4148
2 M
30 k
Figure 30. Three Terminal Operation (MULIT-FUNCTION Features
Disabled).
Figure 31. Line-Sensing for Undervoltage, Over-Voltage and Line
Feed-Forward.
Figure 32. Line-Sensing for Under-Voltage Only (Overvoltage
Disabled).
Figure 33. Line-Sensing for Overvoltage Only (Under-Voltage
Disabled). Maximum Duty Cycle Reduced at Low Line
and Further Reduction with Increasing Line Voltage.
Figure 28. Line-Sensing and Externally Set Current Limit.
Figure 29. Active-on Remote ON/OFF.
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PDF描述 |
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| TOP244P | 2.16 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PDIP7 |
| TOP249FN-TL | 8.64 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6 |
| TOP246F-TL | 4.32 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6 |
| TOP248F-TL | 7.2 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6 |
| TOP243G-TL | 1.44 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PDSO7 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TOP249F- | 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 |
| TOP249FN | 功能描述:交流/直流開關(guān)轉(zhuǎn)換器 180 W 85-265 VAC 250 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(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel |
| TOP249FN- | 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 |
| TOP249FN-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 |
| TOP249F-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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