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參數(shù)資料
| 型號： | TLE6286G |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | LIN-Transceiver LDO |
| 中文描述： | 林收發(fā)器穩(wěn)壓器 |
| 文件頁數(shù)： | 7/19頁 |
| 文件大小： | 194K |
| 代理商： | TLE6286G |
Target Data
TLE 6286
Version 1.02
7
2001-10-15
In case the voltage regulator control input is not connected to INH output or the
microcontroller is active respectively, the TLE6286 can be set in normal operation mode
without a wake-up via the communication bus.
2.2
The LIN Transceiver has already a pull up resistor of 30k
as termination implemented.
There is also a diode in this path, to protect the circuit from feedback of voltages from
the bus line to the power supply. To configure the TLE 6286 as a master node, an
additional external termination resistor of 1k
is required. To avoid reverse currents from
the bus line into the battery supply line in case of an unpowered node, it is also
recommended to place a diode in series to the external pull up. For small systems (low
bus capacitance) the EMC performance of the system is supported by an additional
capacitor of at least 1nF in the master node (see figure 6, application circuit).
An capacitor of 10μF at the supply voltage input V
S
buffers the input voltage. In
combination with the required reverse polarity diode this prevents the device from
detecting power down conditions in case of negative transients on the supply line.
LIN Transceiver
2.3
Voltage Regulator
The control amplifier compares a reference voltage, which is kept highly accurate by
resistance adjustment, to a voltage that is proportional to the output voltage and drives
the base of the series transistor via a buffer. Saturation control as a function of the load
current prevents any over-saturation of the power element. If the externally scaled down
output voltage at the reset threshold input drops below 1.35 V, the external reset delay
capacitor is discharged by the reset generator. When the voltage of the capacitor
reaches the lower threshold
V
DRL
, a reset signal occurs at the reset output and is held
until the upper threshold
V
DU
is exceeded. If the reset threshold input is connected to
GND, reset is triggered at an output voltage of typ. 4.65 V. A connected microcontroller
will be monitored through the watchdog logic. In case of missing pulses at pin W, the
reset output is set to low. The pulse sequence time can be set in a wide range with the
reset delay capacitor. The IC can be switched at the TTL-compatible, low-active inhibit
input. The IC also incorporates a number of internal circuits for protection against
overload, overtemperature, reverse polarity
2.4
The input capacitor
C
I
is necessary for compensation of line influences. Using a resistor
of approx. 1
in series with
C
I
, the oscillating circuit consisting of input inductivity and
input capacitance can be damped. The output capacitor is necessary for the stability of
the regulating circuit. Stability is guaranteed at values
≥
22
μ
F and an ESR of
≤
3
within the operating temperature range. For small tolerances of the reset delay the
spread of the capacitance of the delay capacitor and its temperature coefficient should
be noted.
Input Capacitor
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| TLE6363 | Multifunctional Voltage Regulator and Watchdog |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLE6286GDUMA1 | 制造商:Infineon Technologies AG 功能描述:LIN-TRANSCEIVER WITH VOLTAGE REGULATOR 制造商:Infineon Technologies AG 功能描述:TRANSCEIVER - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC TXRX LIN VREG WATCHDOG PDSO16 |
| TLE6287GP | 功能描述:功率驅(qū)動器IC DRIVER ICS RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| TLE6287GPNUMA1 | 制造商:Infineon Technologies AG 功能描述:DEVELOPMENT TOOLS MOTOR CONTROL DEVELOPMENT KIT TAPE AND REEL 制造商:Infineon Technologies AG 功能描述:DRIVER_IC - Tape and Reel |
| TLE6288 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Smart 6 Channel Peak&Hold Switch |
| TLE6288R | 功能描述:電源開關(guān) IC - 配電 SWITCH ICS RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
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