參數資料
型號: PS2603
廠商: NEC Corp.
英文描述: Optocoupler Applications
中文描述: 光耦應用
文件頁數: 5/38頁
文件大小: 223K
代理商: PS2603
4
As judged from expression (1), the turn-off time t
off
is affected by collector-base capacitance C
C-B
, D.C. current amplification
factor h
FE
, and load resistance L
R
. In actual circuit design, C
C-B
and h
FE
are fixed. Accordingly, the turn-off time is significantly
affected by the resistance of load R
L
.
Graph 1 shows the relationship between response speed (t
on
,t
off
) and load resistance (R
L
) in typical emitter follower (test circuit 1)
having a load resistance of 100
.
PW = 100
μ
s
Duty = 1/10
Input
monitor
(
)
V
CC
= 5 V
Vo
R
L
= 100
51
I
F
= 5 mA
PS2601
Input
monitor
Vo
Graph 1
Up
DOWN : Output 0.5 V/DIV
(50
μ
s/DIV)
: Input 0.2 V/DIV
Test Circuit 1
90%
90%
10%
10%
50%
Input
Output
ton
toff
Figure 2-2. t
on
/t
off
Measuring Points
相關PDF資料
PDF描述
PS2603L Optocoupler Applications
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PS2604L Optocoupler Applications
PS2602 Optocoupler Applications
PS2602L Optocoupler Applications
相關代理商/技術參數
參數描述
PS2603L 制造商: 功能描述: 制造商:undefined 功能描述:
PS2604 制造商:California Eastern Laboratories (CEL) 功能描述:6pin DIP,Darlington Tr, DC, Coupler
PS2604L 制造商:NEC 制造商全稱:NEC 功能描述:Optocoupler Applications
PS2605 制造商:California Eastern Laboratories (CEL) 功能描述:6pin DIP,Single Tr, AC, Base, Coupler
PS2605L 制造商:NEC 制造商全稱:NEC 功能描述:Optocoupler Applications