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參數資料
| 型號： | TL1454CN |
| 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, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數： | 9/25頁 |
| 文件大?。?/td> | 412K |
| 代理商： | TL1454CN |
TL1454, TL1454Y
DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM)
CONTROL CIRCUIT
SLVS086B – APRIL 1995 – REVISED NOVEMBER 1997
17
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
TYPICAL CHARACTERISTICS
2.4
2.35
–
Error-Ampplifier
Positive
Output
V
oltage
Swing
–
V
2.45
ERROR-AMPLIFIER POSITIVE OUTPUT
VOLTAGE SWING
vs
FREE-AIR TEMPERATURE
2.5
V
OM+
TA – Free-Air Temperature – °C
– 25
0
25
50
75
100
–50
VCC = 6 V
No Load
Amplifier 1
Figure 21
Figure 22
4
3
2
1
5
HIGH-LEVEL OUTPUT VOLTAGE
vs
OUTPUT CURRENT
6
020
40
60
80
IO – Output Current – mA
–
High-Level
Output
V
oltage
–
V
OH
VCC = 6 V
TA = 25°C
Figure 23
4
3.5
3
–
High-Level
Output
V
oltage
–
V
4.5
5
HIGH-LEVEL OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
5.5
V
OH
TA – Free-Air Temperature – °C
VCC = 6 V
– 25
0
25
50
75
100
–50
IO = 40 mA
IO = 8 mA
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