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参数资料
| 型号： | TL494MJB |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.25 A SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, CDIP16 |
| 封装： | CERAMIC, DIP-16 |
| 文件页数： | 20/21页 |
| 文件大小： | 620K |
| 代理商： | TL494MJB |
www.ti.com
TYPICAL CHARACTERISTICS
Df = 1%
40
10
100
1 k
4 k
10 k
40 k
100 k
400 k
1 M
f
Oscillator
Frequency
and
Frequency
V
ariation
Hz
OSCILLATOR FREQUENCY AND
FREQUENCY VARIATION
vs
TIMING RESISTANCE
400
1 k
4 k
10 k
40 k
100 k
RT Timing Resistance
0.1
F
2%
1%
0%
0.01
F
0.001
F
VCC = 15 V
TA = 25°C
CT = 1 F
Frequency variation (
f) is the change in oscillator frequency that occurs over the full temperature range.
10
0
100
20
1
10
100
1 M
A
Amplifier
V
oltage
Amplification
dB
30
f Frequency Hz
AMPLIFIER VOLTAGE AMPLIFICATION
vs
FREQUENCY
1 k
VCC = 15 V
VO = 3 V
TA = 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
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TL494N | 制造商:HTC 制造商全称:HTC Korea TAEJIN Technology Co. 功能描述:Pulse-Width-Modulation Control Circuits |
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| TL494PW | 制造商:TI 制造商全称:Texas Instruments 功能描述:PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
| TL494-S16-R | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:VOLTAGE MODE PWM CONTROL CIRCUIT |
| TL494-S16-T | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:VOLTAGE MODE PWM CONTROL CIRCUIT |
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