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參數資料
| 型號： | FSD1000 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Combo Fairchild Power Switch (FPS) |
| 中文描述： | 1.2 A SWITCHING REGULATOR, 73 kHz SWITCHING FREQ-MAX, PDIP12 |
| 封裝： | HEAT SINK/SLUG, DIP-12 |
| 文件頁數： | 6/20頁 |
| 文件大小： | 375K |
| 代理商： | FSD1000 |
FSD1000
6
Electrical Characteristics
(Ta=25
°
C unless otherwise specified)
Note:
1. These parameters, although guaranteed, are not 100% tested in production
Parameter
SENSEFET SECTION
Drain-Source Breakdown Voltage
Off-State Current
Symbol
Condition
Min.
Typ.
Max.
Unit
BV
dss
I
dss
V
CC
= 0V, I
D
= 100
μ
A
V
DS
= 560V
Tj = 25
°
C I
D
= 100mA
Tj = 100
°
C I
D
= 100mA
V
DS
= 350V, I
D
= 500mA
V
DS
= 350V, l
D
= 500mA
700
-
-
-
-
-
-
-
-
-
V
μ
A
ns
ns
ns
100
9.0
15.0
-
-
-
On-State Resistance
R
DS(ON)
7.8
12.9
100
50
250
Rising Time 2
(1)
Falling Time 2
(1)
Leading Edge Blanking
(1)
T
R2
T
F2
T
LEB
-
Pulse-by-pulse current limit
I
LIM
With 33
resistor between
I
LIM
pin and ground pin
0.8
1.0
1.2
A
CONTROL SECTION
Switching Frequency
Main Feedback Source Current
Fosc
I
FB,MAIN
Tj = 25
°
C
Ta = 25
°
C, V
FB,MAIN
= 0V
Ta = 25
°
C
5V < V
FB,MAIN
< V
SD,MAIN
Ta = 25
°
C, V
FB,AUX
= 0V
Ta = 25
°
C
3V < V
FB,AUX
< V
SD,AUX
V
FB,AUX
= 3.5V
1.4V < LS2 < 2V
V
FB,AUX
= 3.5V
2V < LS2 < 4.4V
V
FB,AUX
= 0V
61
0.6
67
0.7
73
0.8
kHz
mA
Shutdown Main Delay Current
I
DELAY,MAIN
3.5
5.0
6.5
uA
Aux. Feedback Source Current
I
FB,MAIN
0.3
0.4
0.5
mA
Shutdown Aux. Delay Current
I
DELAY,MAIN
3.5
5.0
6.5
uA
Maximum Duty Cycle
Dmax
62
67
72
%
Maximum Duty Cycle
Dmax
45
50
55
%
Minimum Duty Cycle
Dmin
Vstart
Vstop
-
0
0
%
V
V
UVLO Threshold Voltage
-
12.5
8.5
13.5
9.5
14.5
10.5
After turn on
SOFT START SECTION
Soft Start Current
Internal Soft Start Time
Internal Time Delay
PROTECTION SECTION
Thermal Shutdown Temperature (Tj)
(1)
Shutdown Main Feedback Voltage
Shutdown Aux. Feedback Voltage
OUTPUT SECTION
Rising Time 1
(1)
Falling Time 1
(1)
I
SOFT
T
SS
T
d
-
-
-
35
-
-
45
10
30
55
-
-
uA
ms
ms
T
SD
(Note 1)
140
6.0
4.0
160
7.0
4.5
-
°
C
V
V
V
SD,MAIN
V
SD,AUX
-
8.0
5.0
Vfb = 4V
T
R1
T
F1
Ta = 25
°
C, C
L
= 100pF
Ta = 25
°
C, C
L
= 100pF
-
-
45
35
150
150
ns
ns
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