參數(shù)資料
型號： TDA16846G
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)： 13/28頁
文件大小： 351K
代理商： TDA16846G
TDA 16846
TDA 16847
Data Sheet
13
2000-01-14
Error Amplifier EA / Soft-Start (Pin 3, Pin 4)
Figure 9
shows the simplified Error Amplifier circuit. The positive input of the Error
Amplifier (EA) is the reference voltage 5 V. The negative input is the pulsed output
voltage from the auxiliary winding, divided by
R
31
and
R
32
. The capacitor
C
3
is
dimensioned only for delaying zero crossings and smoothing the first spike after switch-
off. Smoothing of the regulation voltage is done with the soft start capacitor
C
4
at Pin 4.
During start up
C
4
is charged with a current of approx. 2
μ
A (Soft Start).
Figure 10
shows
the voltage diagrams of the Error Amplifier circuit.
Figure 9
Error Amplifier
Figure 10
Regulation Pulse Diagram
AES02654
-
+
Amplifier
5 V
Down
3
4
Reg
V
TR
4
C
3
C
Internal
External
31
R
32
R
RZI
SRC
Error
AED02655
t
Ref
V
3
V
V
4
Down
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TDA16846HKLA1 制造商:Infineon Technologies AG 功能描述:Power Factor Correction PWM CONTRLR 1mA 14-Pin PDIP 制造商:Infineon Technologies AG 功能描述:AC/DC STANDALONE - Rail/Tube 制造商:Infineon Technologies AG 功能描述:IC POWER SUPPLY CONTROLLER 14DIP
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