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參數資料
| 型號： | TL1451AMDREP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | GREEN, PLASTIC, MS-012AC, SOIC-16 |
| 文件頁數： | 3/25頁 |
| 文件大小： | 522K |
| 代理商： | TL1451AMDREP |
www.ti.com
1.20
1.15
1.10
25
0
25
Comparator
Threshold
V
oltage
V
1.25
1.30
50
75
100
Short-Circuit Protection
Latch Reset Supply Voltage
(Right Scale)
Short-Circuit Protection
Comparator Threshold Voltage
(Left Scale)
3
2.5
2
1.5
1
RS
Latch
Reset
Supply
V
oltage
V
TA Free-Air Temperature °C
9
6
3
0
50
100
150
tpe
Protection
Enable
T
ime
s
12
15
18
200
250
t pe
CPE Protection Enable Capacitance F
+
Protection
Latch
S
R
CPE
U.V.L.O.
ERROR AMP 1
ERROR AMP 2
1.25 V
Short-circuit
Protection
Comparator
12 k
15
16
SCP
Vref
170 k
Vref
TL1451A-EP
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS614 – DECEMBER 2005
TYPICAL CHARACTERISTICS (continued)
Figure 14. Short-Circuit Protection Characteristics
Figure 15. Protection Enable Time vs Protection Enable Capacitance
11
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