參數(shù)資料
型號: TEA2164
廠商: 意法半導(dǎo)體
英文描述: SWITCH MODE POWER SUPPLY PRIMARY CIRCUIT
中文描述: 開關(guān)電源主回路
文件頁數(shù): 12/15頁
文件大?。?/td> 177K
代理商: TEA2164
VI - MONITOR APPLICATIONS
In most of monitor applications, the power supply
must start-up under full load conditions and the
stand-by mode is no longer useful.
The energy of the starting burst must be high
enough to ensure start-up, then the capacitor C1
must be higher in these applications than on TV
application (typ.: 1
μ
F).
2
Figure 13 :
MaximumDuty Cycle Limitation
CURRENT
MIRROR
16
15
14
2
R
B
R
S
I
B
I
C
V
CC
V
V
4-5-12-13
I
B
I
C
I
B
I
C
GF
I
Cmax
I
BON
t
t
R
S
=
V
CM1
I
Cmax
I
C
I
B
GF =
=
R
B
1000 x R
S
Virtual
Ground
I
COPY
2
Figure 14 :
OutputStage Architecture and Base Drive
2
Figure 15 :
PowerSupplyStart-up and Normal Operation
TEA2164
12/15
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