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參數(shù)資料
| 型號(hào)： | TL494 |
| 廠(chǎng)商： | Fairchild Semiconductor Corporation |
| 英文描述： | SMPS Controller |
| 中文描述： | 開(kāi)關(guān)電源控制器 |
| 文件頁(yè)數(shù)： | 8/17頁(yè) |
| 文件大?。?/td> | 449K |
| 代理商： | TL494 |
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TYPICAL CHARACTERISTICS
Df
40
10
100
1 k
4 k
10 k
40 k
100 k
400 k
1 M
f
OSCILLATOR FREQUENCY AND
FREQUENCY VARIATION
vs
TIMING RESISTANCE
400
1 k
4 k
10 k
40 k
100 k
R
T
Timing Resistance
0.1
μ
F
2%
1%
0%
0.01
μ
F
0.001
μ
F
V
CC
= 15 V
T
A
= 25
°
C
C
T
= 1
μ
F
Frequency variation (
f) is the change in oscillator frequency that occurs over the full temperature range.
10
0
100
20
1
10
100
f Frequency Hz
1 M
A
30
AMPLIFIER VOLTAGE AMPLIFICATION
vs
FREQUENCY
1 k
V
CC
= 15 V
V
O
= 3 V
T
A
= 25
°
C
10 k
40
50
60
70
80
90
100 k
TL494
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS074E–JANUARY 1983–REVISED FEBRUARY 2005
Figure 5.
Figure 6.
8
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TL494CD | SMPS Controller |
| TL494CN | SMPS Controller |
| TL496C | Replacement for Texas Instruments part number 54AS826/B3A. Buy from authorized manufacturer Rochester Electronics. |
| TL496CD | Replacement for Texas Instruments part number 54AS826/BKA. Buy from authorized manufacturer Rochester Electronics. |
| TL496CP | Replacement for Texas Instruments part number 54AS826/BLA. Buy from authorized manufacturer Rochester Electronics. |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TL494_05 | 制造商:ONSEMI 制造商全稱(chēng):ON Semiconductor 功能描述:SWITCHMODE TM Pulse Width Modulation Control Circuit |
| TL494_07 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
| TL494_08 | 制造商:HTC 制造商全稱(chēng):HTC Korea TAEJIN Technology Co. 功能描述:Pulse-Width-Modulation Control Circuits |
| TL494_09 | 制造商:UTC-IC 制造商全稱(chēng):UTC-IC 功能描述:VOLTAGE MODE PWM CONTROL CIRCUIT |
| TL494_10 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
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