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參數(shù)資料
| 型號(hào)： | HA16178FP |
| 廠商： | Renesas Technology Corp. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Power Factor Correction Controller IC |
| 中文描述： | 功率因數(shù)校正控制芯片 |
| 文件頁數(shù)： | 14/25頁 |
| 文件大?。?/td> | 262K |
| 代理商： | HA16178FP |
HA16178P/FP
REJ03D0903-0100 Rev.1.00 Jun 12, 2007
Page 14 of 24
2. Operating Frequency
The HA16178 operating frequency fosc is determined by adjusting the timing resistor Rt (the RT pin, pin 9) and the
timing capacitance Ct (the CT pin, pin 10). The operating frequency is approximated by the following expression:
fosc =
1.755
×
10
6
Rt
(k
)
×
Ct
(pF)
(kHz)
When the IC is operated at high frequencies, the expression becomes less accurate due to IC internal delay time, etc.
Please confirm operation the value with the actually mounted IC. The maximum operating frequency is 400 kHz. As a
reference, the operating frequency data when the timing resistor and the timing capacitance are changed is shown in the
below figure.
1
10
100
1000
1
10
100
Timing Resistance (k
)
Timing capacitance
Ct
O
470 pF
1000 pF
2200 pF
4700 pF
Figure 2 Operating Frequency Characteristics
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HA16178P | Power Factor Correction Controller IC |
| HA1630D01 | Ultra-Small Low Voltage Operation CMOS Dual Operational Amplifier |
| HA1630D01MM | Ultra-Small Low Voltage Operation CMOS Dual Operational Amplifier |
| HA1630D01T | Ultra-Small Low Voltage Operation CMOS Dual Operational Amplifier |
| HA1630D02 | Ultra-Small Low Voltage Operation CMOS Dual Operational Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA16178P | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Power Factor Correction Controller IC |
| HA1630D01 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Ultra-Small Low Voltage Operation CMOS Dual Operational Amplifier |
| HA1630D01MM | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Ultra-Small Low Voltage Operation CMOS Dual Operational Amplifier |
| HA1630D01T | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Ultra-Small Low Voltage Operation CMOS Dual Operational Amplifier |
| HA1630D01TEL-E | 制造商:Renesas Electronics Corporation 功能描述:OPERATIONAL AMPLIFIER - Tape and Reel 制造商:Renesas Electronics Corporation 功能描述:IC OPAMP GP 200KHZ 8TSSOP |
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