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參數(shù)資料
| 型號： | TIL5942ANFC |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 20/20頁 |
| 文件大小： | 295K |
| 代理商： | TIL5942ANFC |
TIL5942, TIL5942A
CURRENT-MODE-PWM CONTROLLER
WITH OPTOISOLATED VOLTAGE REFERENCE AND ERROR AMPLIFIER
SOES040 – OCTOBER 1997
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 6
TA – Free-Air Temperature – °C
LED FORWARD VOLTAGE
vs
FREE-AIR TEMPERATURE
1.25
1.15
1.05
0.95
–20
20
1.3
1.2
1.1
1
0
40
100
II(LED) = 10 mA
1.35
–40
V
60
80
F
–
LED
Forward
V
oltage
–
V
Figure 7
TA – Free-Air Temperature – °C
INPUT REFERENCE VOLTAGE
vs
FREE-AIR TEMPERATURE
2.6
2.4
2.2
2
–20
20
2.7
2.5
2.3
2.1
0
40
100
II(LED) = 10 mA
3
–40
V
60
80
ref
–
Input
Reference
V
oltage
–
V
2.8
2.9
Figure 8
TA – Free-Air Temperature – °C
FEEDBACK INPUT CURRENT
vs
FREE-AIR TEMPERATURE
1.2
0.8
0.4
0
–20
20
1.4
1
0.6
0.2
0
40
100
II(LED) = 10 mA
R = 10 k
1.8
–40
I
60
80
I(FB)
–
Feedback
Input
Current
–
A
1.6
Figure 9
TA – Free-Air Temperature – °C
ON-STATE SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
13.6
13.2
12.8
12.4
–20
20
13.8
13.4
13
12.6
0
40
100
VCC = 17 V
14.2
–40
60
80
14
I CC(on)
–
On-State
Supply
Current
-
mA
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