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參數(shù)資料
| 型號： | TLE6389G50-1 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 420 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | PLASTIC, DSO-14 |
| 文件頁數(shù)： | 22/37頁 |
| 文件大?。?/td> | 368K |
| 代理商： | TLE6389G50-1 |
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TLE 6389
Preliminary data sheet Rev. 1.0
29
2003-05-05
Figure 4
Reset timing
The reset delay time can be calculated with the following:
where CRD is the value of the delay capacitance, VRD,UT the upper reset timing threshold
and IRD, ch the reset delay charging current.
7.7
100% duty-cycle operation and dropout
The TLE6389 operates with a duty cycle up to 100%. This feature allows to operate with
the lowest possible drop voltage at low battery voltage as it occurs at cold cranking. The
MOSFET is turned on continuously when the supply voltage approaches the output
voltage level, conventional switching regulators with less than 100% duty cycle would fail
in that case.
The drop- or dropout voltage is defined as the difference between the input and output
voltage levels when the input is low enough to drop the output out of regulation. Dropout
t
V
VOUT, RT
V
FB,RT
t
rr
< t
rr
t
rd
thermal
shutdown
under
voltage
over
load
t
rd
t
rd
t
rd
V
RD, UT
V
RD, LT
V
IN
V
VOUT
V
FB
V
RD
V
RO
t
rd
V
RD U T
,
I
RD ch
,
-------------------- C
RD
=
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| TLE6389G501NTMA1 | 制造商:Infineon Technologies AG 功能描述:DC DC Cntrlr Single-OUT Step Down 5V to 60V Input 14-Pin DSO 制造商:Infineon Technologies AG 功能描述:IC REG BUCK BOOST 5V 3A PDSO14 |
| TLE6389G50NTMA1 | 制造商:Infineon Technologies AG 功能描述:DC DC Cntrlr Single-OUT Step Down 5V to 60V Input 14-Pin DSO 制造商:Infineon Technologies AG 功能描述:IC REG BUCK BOOST 5V 3A PDSO14 |
| TLE6389GV | 功能描述:DC/DC 開關(guān)控制器 Step-Down DC/DC Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TLE6389GVT | 制造商:Infineon Technologies AG 功能描述:DC DC Cntrlr Single-OUT Step Down 5V to 60V Input 14-Pin DSO T/R |
| TLE6710Q | 功能描述:接口 - 專用 Combined Power Supply and Firing IC RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 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:BGA-59 |
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