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參數資料
| 型號： | TL1454IDR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 1 A DUAL SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | PLASTIC, SO-16 |
| 文件頁數： | 8/25頁 |
| 文件大小： | 412K |
| 代理商： | TL1454IDR |
TL1454, TL1454Y
DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM)
CONTROL CIRCUIT
SLVS086B – APRIL 1995 – REVISED NOVEMBER 1997
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
TYPICAL CHARACTERISTICS
Figure 18
1
0.5
0
1.5
1 k
10 k
100 k
1M
10 M
100 M
–
Error
Amplifier
Maximum
Peak-to-Peak
f – Frequency – Hz
ERROR AMPLIFIER MAXIMUM
PEAK-TO-PEAK OUTPUT VOLTAGE SWING
vs
FREQUENCY
V
O(PP)
VCC = 6 V
TA = 25°C
Output
V
oltage
Swing
–
V
2
2.5
Figure 19
0.4
0.3
–
Error-Ampplifier
Minimum
Output
V
oltage
Swing
–
V
0.5
ERROR-AMPLIFIER MINIMUM OUTPUT
VOLTAGE SWING
vs
FREE-AIR TEMPERATURE
0.6
V
OM+
TA – Free-Air Temperature – °C
– 25
0
25
50
75
100
–50
VCC = 6 V
No Load
Amplifier 1
0.7
0.8
–20
100
1 k
10 k
100 k
1M
10 M
Error
Amplifier
Open-Loop
Gain
–
dB
f – Frequency – Hz
ERROR AMPLIFIER OPEN-LOOP GAIN AND PHASE SHIFT
vs
FREQUENCY
0
20
40
60
80
– 180
°
– 144
°
– 108
°
–72
°
–36
°
–0
°
Phase
Shift
VCC = 6 V
TA = 25°C
Gain
Phase Shift
Figure 20
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TL1454IN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454N | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454PW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454Y | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454YD | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
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