參數(shù)資料
型號： TLE6711
廠商： INFINEON TECHNOLOGIES AG
英文描述： Multifunctional Voltage Regulator and Watchdog
中文描述： 多功能穩(wěn)壓器和看門狗
文件頁數(shù)： 20/28頁
文件大小： 265K
代理商： TLE6711
TLE 6711
Circuit Description
Data Sheet V 2.22
20
2001-04-23
Figure 8
Buck Converter Block Diagram
External loop compensation is required for converter stability, and is formed by
connecting a compensation resistor-capacitor series-network (
R
BUC
,
C
BUC
) between pin
BUC and GND.
In the case of overload or short-circuit at
V
CC
(the output current exceeds the buck
overcurrent threshold
I
BUOC
) the DMOS output transistor is switched off by the
overcurrent comparator immediately. The pulse width is then controlled by the
overcurrent comparator as seen before in the boost description.
In order to protect the
V
CC
input as well as the external load against catastrophic failures,
an overvoltage protection is provided which switches the output transistor off as soon as
the voltage at pin
V
CC
exceeds the internal fixed overvoltage threshold
V
BUOVOFF
=
typ.
6.0 V.
AEB02947
-
+
=
V
1.2 V
R
39.7k
10.3k
R
GND
BUC
Pin 6
V
Pin 7
V
CC
2.8 V
V
-
+
VCC1
22k
VCC2
28k
R
R
GND
=
CC
V
Error
AMP
R
Prot1
200
COMP
PWM
+
-
Error-
Signal
r
t t
f
t
r
max
V
V
min
t
Pin 1
R
V
high
V
low
t t
r
f
t
r
t
Error-
Ramp
Oscillator
Schmitt-trigger 1
H when
Error-Signal
<
Error-Ramp
&
&
R
S
Q
Q
L when
> 175
C
j
T
Clock
Error-FF
NOR 1
1
H when
OV at
V
CC
L when
Overcurrent
Output Stage
OFF when H
OFF when H
OV
COMP
&
S
NAND 2
&
Q
Q
&
R
PWM-FF
1
INV
OFF
ON
Gate
Driver
Power
D-MOS
Boost
Driver
Supply
BDS
Pin 10
Pin 8
BUO
COMP
UV
+
-
H when
UV at
Boost
V
=
GND
thUV
4 V
V
GND
H =
H =
OC
COMP
+
-
=
V
18 mV
L when
Overcurrent
Pin 9
V
R
18 m
GND
Ramp
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLE6711_07 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Multifunctional Voltage Regulator and Watchdog
TLE6711G 功能描述:直流/直流開關(guān)調(diào)節(jié)器 MULTIFUNCTIONAL VOLT REGULATOR/WATCHDOG RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TLE6711GL 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Multifunctional Volt Regulator & Watchdog RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TLE6711GLXUMA1 制造商:Infineon Technologies AG 功能描述:Multifunctional Voltage Regulator and Watchdog 20-Pin DSO 制造商:Infineon Technologies AG 功能描述:DC/DC CONVERTER - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC REG BUCK BOOST ADJ DSO20
TLE6711GXUMA1 制造商:Infineon Technologies AG 功能描述:DC/DC CONVERTER - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC REG BUCK BOOST ADJ PDSO14
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