參數(shù)資料
型號: TLE6361G
廠商: INFINEON TECHNOLOGIES AG
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 425 kHz SWITCHING FREQ-MAX, PDSO36
封裝: POWER, PLASTIC, SO-36
文件頁數(shù): 12/57頁
文件大?。?/td> 1986K
代理商: TLE6361G
TLE 6361 G
Data Sheet, Rev. 2.0
2
2005-03-01
1.2
Short functional description
The
TLE 6361 G is a multi voltage power supply system especially designed for
automotive applications using a standard 12V or 24V battery as well as the new 42V
powernet. The device is intended to supply 32 bit micro-controller systems which require
different supply voltage rails such as 5V, 3.3V and 2.6V. The regulators for external
sensors are also provided.
The TLE 6361 G cascades a Buck converter block with a linear regulator and tracker
block on a single chip to achieve lowest power dissipation thus being able to power the
application even at very high ambient temperatures.
The step-down converter delivers a pre-regulated voltage of 5.5V with a minimum
current capability of 1.5A.
Supplied by this step down converter three low drop linear post-regulators offer 5V, 3.3V,
or 2.6V of output voltages depending on the configuration of the device with current
capabilities of 800mA, 500mA and 350mA.
In addition the inputs of six voltage trackers are connected to the 5.5V bus voltage. Their
outputs follow the main 5V linear regulator (Q_LDO1) with high accuracy and are able to
drive a current of 17mA each. The trackers can be turned on and off individually by a 16
bit serial peripheral interface (SPI). Through this interface also the status information of
each tracker (i.e. short circuit) can be read out.
To monitor the output voltage levels of each of the linear regulators three independent
undervoltage detection circuits are available which can be used to implement the reset
or an early warning function. The supervision of the C is managed by the SPI-triggered
window watchdog.
For energy saving reasons while the motor is turned off, the TLE 6361 G offers a stand-
by mode, where the quiescent current does not exceed 30A typically. In this stand-by
mode just the stand-by regulator remains active.
The TLE 6361 G is based on Infineon Power technology SPT
which allows bipolar ,
CMOS and Power DMOS circuitry to be integrated on the same monolithic circuitry.
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