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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： | 25/25页 |
| 文件大小： | 522K |
| 代理商： | TL1451AMDREP |
www.ti.com
T
riangle
W
aveform
Period
uS
VCC = 5 V
RT = 5.1 k
TA = 25°C
s
102
101
100
101
102
103
104
105
CT Timing Capacitance pF
2.2
2
1.6
1.4
0.8
2.6
1.8
T
riangle
W
aveform
Swing
V
oltage
V
2.4
1.2
1
VCC = 5 V
RT = 5.1 k
TA = 25°C
CT Timing Capacitance pF
101
102
103
104
105
0
10
20
30
25
0
25
50
10
20
30
75
100
VCC = 3.6 V
II(ref) = 1 mA
TA Free-Air Temperature °C
avref
Reference
Output
V
oltage
V
ariation
mV
V
O(ref)
0
10
20
30
25
0
25
50
10
20
30
75
100
VCC = 40 V
II(ref) = 1 mA
TA Free-Air Temperature °C
avref
Reference
Output
V
oltage
V
ariation
mV
V
O(ref)
TL1451A-EP
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS614 – DECEMBER 2005
TYPICAL CHARACTERISTICS (continued)
Figure 6. Trangle Waveform Swing Voltage
Figure 7. Triangle Waveform Period
vs Timing Capacitance
Figure 8. Reference Output Voltage Variation
Figure 9. Reference Output Voltage Variation
vs Free-Air Temperature
9
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