參數(shù)資料
型號： TDA16847
廠商： INFINEON TECHNOLOGIES AG
英文描述： ICs for Consumer Electronics
中文描述： 消費電子集成電路
文件頁數(shù)： 17/28頁
文件大小： 351K
代理商： TDA16847
TDA 16846
TDA 16847
Data Sheet
17
2000-01-14
4
Temporary High Power Circuit FC2, PMO, REF
(Pin 6, 8, 9, TDA 16847)
Figure 14
shows the Temporary High Power Circuit:
Figure 14
The Temporary High Power Circuit (THPC) consists of two parts:
First a power measurement circuit is implemented: The capacitor
C
8
at Pin 8 is charged
with a constant current
I
8
during the discharge time of the flyback transformer and
connected to ground the other time. So the average of the sawtooth voltage
V
8
at Pin 8
is proportional to the converters output power (at constant output voltages). The charge
current
I
8
for
C
8
is dimensioned by the resistor
R
9
at Pin 9:
I
8
= 5 V/
R
9
-
+
1.2 V
1
6 FC2
REF
9
8
FC2
S2
to Error Flipflop
Discharge Time
CS2
CC
V
51 k
R
9
8
C
C
6
8
R
PMO
6
10 M
R
Internal
External
AEB02739
I
8
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相關代理商/技術(shù)參數(shù)
參數(shù)描述
TDA16847-2 功能描述:功率因數(shù)校正 IC CTRLR FOR SWITCH MODE PWR SUPPLIES RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel
TDA168472XK 制造商:Infineon Technologies AG 功能描述:Power Factor Correction PWM CONTRLR 1mA 14-Pin PDIP
TDA16847G 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:ICs for Consumer Electronics
TDA16847XK 制造商:Infineon Technologies AG 功能描述:Power Factor Correction PWM CONTRLR 1mA 14-Pin PDIP Tube
TDA16888 功能描述:功率因數(shù)校正 IC HI PERFORM PWR COMBI CONTROLLER RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel
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