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参数资料
| 型号： | TOP245PN |
| 厂商： | Power Integrations |
| 文件页数： | 40/52页 |
| 文件大小： | 0K |
| 描述： | IC OFFLINE SWIT OVP UVLO HV 8DIP |
| 标准包装： | 50 |
| 输出隔离： | 隔离 |
| 频率范围： | 66 ~ 132kHz |
| 输出电压： | 700V |
| 功率（瓦特）： | 30W |
| 工作温度： | -40°C ~ 150°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm），7 引线 |
| 供应商设备封装： | DIP-8B |
| 包装： | 管件 |
| 产品目录页面： | 1204 (CN2011-ZH PDF) |
| 其它名称： | 596-1074-5 |
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TOP242-250
BENCH TEST PRECAUTIONS FOR EVALUATION OF ELECTRICAL CHARACTERISTICS
The following precautions should be followed when testing
TOPSwitch-GX by itself outside of a power supply. The
schematic shown in Figure 53 is suggested for laboratory testing
of TOPSwitch-GX.
When the DRAIN pin supply is turned on, the part will be
in the auto-restart mode. The CONTROL pin voltage will be
oscillating at a low frequency between 4.8 V and 5.8 V and
the drain is turned on every eigth cycle of the CONTROL pin
oscillation. If the CONTROL pin power supply is turned on
Typical Performance Characteristics
1.1
while in this auto-restart mode, there is only a 12.5% chance
that the CONTROL pin oscillation will be in the correct state
(drain active state) so that the continuous drain voltage waveform
may be observed. It is recommended that the V C power supply
be turned on ?rst and the DRAIN pin power supply second if
continuous drain voltage waveforms are to be observed. The
12.5% chance of being in the correct state is due to the divide-
by-8 counter. Temporarily shorting the CONTROL pin to the
SOURCE pin will reset TOPSwitch-GX , which then will come
up in the correct state.
PI-2653-031904
SCALING FACTORS:
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
TOP242 P/G/Y/R/F: .45
TOP243 P/G: .75
TOP243 Y/R/F: .90
TOP244 P/G: 1
TOP244 Y/R/F: 1.35
TOP245 Y/R/F: 1.80
TOP246 Y/R/F: 2.70
TOP247 Y/R/F: 3.60
TOP248 Y/R/F 4.50
TOP249 Y/R/F: 5.40
TOP250 Y/R/F: 6.32
200
180
160
140
120
100
80
60
0.2
-250
-200
-150
-100
-50
40
0
I X OR I M ( μ A)
Figure 54a. Current Limit vs. X or M Pin Current (see Figures 55a and 56a for TOP245P/G and TOP246P/G).
1.1
PI-2652-042303
1.0
0.9
Scaling Factors:
TOP242 P/G/Y/R/F: .45
TOP243 P/G: .75
TOP243 Y/R/F: .90
200
180
0.8
0.7
0.6
0.5
Minimum
Typical
Maximum
TOP244 P/G: 1
TOP244 Y/R/F: 1.35
TOP245 Y/R/F: 1.80
TOP246 Y/R/F: 2.70
TOP247 Y/R/F: 3.60
TOP248 Y/R/F 4.50
TOP249 Y/R/F: 5.40
TOP250 Y/R/F: 6.32
160
140
120
100
0.4
80
0.3
Maximum and minimum levels
are based on characterization.
60
0.2
0
5K
10K
15K
20K
25K
30K
35K
40K
40
45K
External Current Limit Resistor R IL ( ? )
Figure 54b. Current Limit vs. External Current Limit Resistance (see Figures 55b and 56b for TOP245P/G and
TOP246P/G).
40
O
11/05
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TOP245PN- | 制造商:POWERINT 制造商全称:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP245PN0152 | 制造商:Power Integrations 功能描述: |
| TOP245PN-TL | 制造商:POWERINT 制造商全称:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP245P-TL | 制造商:POWERINT 制造商全称:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP245R | 制造商:POWERINT 制造商全称:Power Integrations, Inc. 功能描述:Family Extended Power, Design Flexible,Integrated Off-line Switcher |
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