參數(shù)資料
型號(hào)： TLE7469
廠商： INFINEON TECHNOLOGIES AG
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Dual Low Drop Voltage Regulator
中文描述： 雙低壓降穩(wěn)壓器
文件頁(yè)數(shù)： 16/21頁(yè)
文件大小： 240K
代理商： TLE7469
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A E T03532.V S D
V
Q 1
t
V
R T 1
V
Q 2
t
V
R T 2
V
R O
t
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R O L
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R O H
T
R D
T
R D
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R R
Final Data Sheet
16
Rev. 1.3, 2004-10-28
TLE 7469
Figure 5
Reset Function and Timing Diagram
Watchdog Operation
The watchdog uses a fraction of the charge pump oscillator’s clock signal as timebase.
Connecting the DT pin to Q1 or to Q2 the watchdog timebase can be adjusted. The
watchdog can be turned off by a low level (
V
DT
≤
0.8 V) applied to the DT pin. The timing
values used in this text refer to typ. values with DT connected to Q1 (fast timing).
Figure 6
shows the state diagram of the window watchdog (WWD). After power-on, the
reset output signal at the RO pin (microcontroller reset) is kept LOW for the reset delay
time T
RD
of typ. 8 ms. With the LOW to HIGH transition of the signal at RO the device
starts the ignore window time
t
CW
(32 ms). During this window the signal at the WDI pin
is ignored. Next the WWD starts the open window. When a valid trigger signal is detected
during the open window a closed window is initialized immediately. A trigger signal within
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參數(shù)描述
TLE7469_08 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Dual Low Drop Voltage Regulator Ultra low quiescent current consumption < 55 μA
TLE7469G V52 功能描述:低壓差穩(wěn)壓器 - LDO Dual LW Drop VLT REG 5/2.6/3.3V 215/200mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TLE7469G V53 功能描述:低壓差穩(wěn)壓器 - LDO Dual LW Drop VLT REG 5/2.6/3.3V 215/200mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TLE7469GV52 功能描述:低壓差穩(wěn)壓器 - LDO LINEAR VOLTAGE REGULATOR RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TLE7469GV52AUMA1 制造商:Infineon Technologies AG 功能描述:LDO Regulator Pos 5V2.6V 0.215A/0.2A 12-Pin DSO 制造商:Infineon Technologies AG 功能描述:LINEAR VOLTAGE REGULATOR - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC REG LDO 5V/2.6V 12DSO
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