參數(shù)資料
型號: TEA7092TQT
廠商: 意法半導體
英文描述: TELEPHONE ANALOG FRONT END
中文描述: 電話模擬前端
文件頁數(shù): 52/57頁
文件大?。?/td> 574K
代理商: TEA7092TQT
t
t
t
I
DIODE
I
CAPA
I
COIL
t
-V
D
V
S
V
E1
t
ON
t
OFF
t = 38.46
μ
s
t is internallyfixed by the 26kHzOscillator
A
Figure68
VI - RINGER FEATURES
(continued)
VI.4 - Output Power Optimization
(continued)
VI.4.2 - Switch Mode PowerSupply Losses
The sum of all the different losses gives the yield
of the switch mode power supply.
The finalyieldis :
η
final
=
POUT
POUT
+ Σ
Pi
where : Pi are the different losses, POUT is the
power in the load RL : POUT= 4 x RL x (I
SRL
)
2
.
The outputcurrent I
S
is : I
S
= I
SRL
+ I
S0
.
Using the equations(1), (2) and (3), the values of
t
ON
and t
OFF
can be found :
t
ON
t
=
2
L
f
I
S
V
LS
+
V
D
(
V
E1
V
LS
)
(
V
E1
+
V
D
)
f = 26kHz
t
OFF
t
=
2
L
f
I
S
V
E1
V
LS
(
V
LS
+
V
D
)
(
V
E1
+
V
D
)
I
Max.
=
2
L
f
I
S
(
V
E1
V
LS
)
(
V
LS
+
V
D
)
V
E1
+
V
D
TEA7092 - TELEPHONE SET INTEGRATED CIRCUIT
52/57
相關(guān)PDF資料
PDF描述
TEA7530DP MONITOR AMPLIFIER
TEA7530FP MONITOR AMPLIFIER
TEA7530 Monitor Amplifier(監(jiān)聽放大器)
TEA7532DP MONITOR AMPLIFIER
TEA7532FP MONITOR AMPLIFIER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TEA7530 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MONITOR AMPLIFIER
TEA7530DP 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MONITOR AMPLIFIER
TEA7530FP 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MONITOR AMPLIFIER
TEA7531 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MONITOR AMPLIFIER
TEA7532 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MONITOR AMPLIFIER