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參數(shù)資料
| 型號(hào)： | 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)： | 6/57頁 |
| 文件大?。?/td> | 1986K |
| 代理商： | TLE6361G |
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TLE 6361 G
Data Sheet, Rev. 2.0
14
2005-03-01
Figure 6 Window watchdog timing definition
Figure 6 shows some guidelines for designing the watchdog trigger timing taking the
oscillator deviation of different devices into account. Of importance is the maximum
(w.c.) of the closed window and the minimum of the open window in which the trigger has
to occur.
The length of the OW and CW can be modified by SPI command. If a change of the
window length is desired during the Watchdog function is operating please send the SPI
command with the new timing with a ’Watchdog trigger Bit’ D15=1.In this case the next
CW will directly start with the new length.
A minimum time gap of > 1/48 of the actual OW/CW time between a ’Watchdog disable’
and ’Watchdog enable’ SPI-command should be maintained. This allows the internal
Watchdog counters to be resetted. Thus after the enable command the Watchdog will
start properly with a full CW of the adjusted length.
t
ECW, w.c.= tCW (1+)
closed window
open window
t
CW=tCW
definition
f
OSC=fOSCmax
reset start delay time after window
watchdog timeout
reset delay time without trigger
reset duration time after window
watchdog time-out
t
SR = tOW/2
t
OW=tCW
t
WDR = tRES
t
OWmin
f
OSC=fOSCmin
definition
worst cases
t
EOW, w.c.= ( tCW+tOW )(1-)
Example with:
t
CW=128ms
=25% (oscillator deviation)
t
ECW, w.c. = 128(1.25) = 160ms
t
EOW, w.c
= (128+128)(0.75) = 192ms
t
owmin
= 32ms
(not the same scale)
t
EOW = end of open window
t
ECW
(not the same scale)
t
OWmin= tOW - * ( t OW + 2* t CW )
Minimum open window time:
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| TLE6363G | 功能描述:IC REG BUCK BST ADJ 0.2A PDSO14 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3.3V 輸入電壓:4.5 V ~ 24 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:125mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 包裝:Digi-Reel® 供應(yīng)商設(shè)備封裝:SOT-6 其它名稱:MAX1836EUT33#TG16DKR |
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