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参数资料
| 型号： | TL1451AMDREP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | GREEN, PLASTIC, MS-012AC, SOIC-16 |
| 文件页数： | 8/25页 |
| 文件大小： | 522K |
| 代理商： | TL1451AMDREP |
www.ti.com
Phase Shift
(Right Scale)
Closed-Loop Gain
(Left Scale)
VCC = 5 V
Cref = 470 pF
TA = 25°C
50
30
20
0
70
40
100
1 k
10 k
100 k
1 M
Closed-Loop
Gain
dB
60
f Frequency Hz
10
0
°
10
°
20
°
30
°
40
°
50
°
60
°
70
°
80
°
90
°
Phase
Shift
Cref
Vref
39 k
39 k
+
Test Circuit
60
40
20
0
5
10
Output
Sink
Current
mA
80
100
Collector Output Saturation Voltage V
120
15
20
110
90
70
50
30
10
TA = 20°C
TA = 25°C
VCC = 3.6 V
TA = 85°C
TL1451A-EP
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS614 – DECEMBER 2005
TYPICAL CHARACTERISTICS (continued)
Figure 22. Closed-Loop Gain and Phase Shift vs Frequency
Figure 23. Output Sink Current vs Collector Output Saturation Voltage
16
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TL1451AMFK | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
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