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參數(shù)資料
| 型號： | FA13845P |
| 廠商： | FUJI ELECTRIC CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | CMOS IC(For Switching Power Supply Control) |
| 中文描述： | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | DIP-8 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大小： | 151K |
| 代理商： | FA13845P |
FA13842, 13843, 13844, 13845
4
Output section
Item
High-level output
Symbol
V
OH
Test condition
I source=–20mA
I source=–100mA
I sink=20mA
I sink=200mA
C
L
=1nF, Tj=25C
C
L
=1nF, Tj=25C
Min.
14.5
12
Typ.
14.75
13.5
0.15
1.5
40
20
Max.
Unit
V
V
V
V
ns
ns
Low-level output
V
OL
0.3
3
150
150
Rise time
Fall time
tr
tf
Under-voltage lockout section
Overall device
PWM section
Item
Start threshold
Symbol
V
TH ON
Test condition
FA13842, 13844
FA13843, 13845
Min.
15.5
8.6
8
Typ.
16.5
9.6
9
7.5
0.6
Max.
17.5
10.6
10
Unit
V
V
V
V
V
Min. operating voltage
Hysteresis
V
TH OFF
V
HYS
FA13842, 13844
FA13843, 13845
Item
Maximum duty cycle
Symbol
Dmax
Test condition
FA13842, 13843
FA13844, 13845
FB=5V, COMP=Open
Min.
94
47
Typ.
96
48
Max.
98
50
0
Unit
%
%
%
Minimum duty cycle
Dmin
Item
Standby current
Symbol
I
CCL
Test condition
FA13842, 13844 Vcc=14V
FA13843, 13845 Vcc=7V
Vcc=Start threshold
Min.
Typ.
Max.
2
2
30
5
34
Unit
μ
A
μ
A
μ
A
mA
V
Start-up current
Operating current
Zener voltage (Vcc)
I
CC ST
I
CC OP
V
Z
12
3
30
Icc=5mA
28
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