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參數(shù)資料
| 型號： | TLE4290G |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | 5-V Low-Drop Voltage Regulator |
| 中文描述： | 5V的低壓降穩(wěn)壓器 |
| 文件頁數(shù)： | 2/18頁 |
| 文件大?。?/td> | 210K |
| 代理商： | TLE4290G |
TLE 4290
Data Sheet Rev. 1.4
2
2001-10-18
Power Good
The Power Good PG pin informs e.g. the microcontroller in case the output voltage has
fallen below the lower threshold
V
Q,pgt-d
of typ. 3.65 V. Connecting the regulator to a
battery voltage at first the power good signal remains LOW. When the output voltage has
reached the higher threshold
V
Q,pgt-i
the power good output remains still LOW for the
power good delay time
t
rd
. Afterwards the power good output turns HIGH. The delay time
can be set by the user with an external capacitor at pin D according to the requirements
of the application.
The Power Good circuitry supervises the output voltage. In case
V
Q
falls below the lower
Power Good switching threshold
V
Q,pgt-d
the PG output is set LOW after the Power Good
reaction time. The Power Good LOW signal is generated down to an output voltage
V
Q
to 1 V. A LOW signal at the Power Good pin informs that the battery was lost and
memory is no longer valid.
The feature should be used in combination with a microcontroller with internal reset.
Figure 1
Block Diagram
AEB02823
Current
and
Saturation
Control
Band-
Gap-
Reference
TLE 4290
Power
Good
Control
PG
Q
I
D
GND
1
5
2
4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLE4290GATMA1 | 制造商:Infineon Technologies AG 功能描述:LDO Regulator Pos 5V 0.45A 6-Pin(5+Tab) TO-263 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 0.4A TO263-5 |
| TLE4290GNTMA1 | 制造商:Infineon Technologies AG 功能描述:LDO Regulator Pos 5V 0.45A 6-Pin(5+Tab) TO-263 制造商:Infineon Technologies AG 功能描述:LINEAR VOLTAGE REGULATOR - Tape and Reel |
| TLE4290GXT | 功能描述:低壓差穩(wěn)壓器 - LDO 5-V Low Drop 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 |
| TLE4291E | 功能描述:IC REG LDO 5V .45A 14SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式或可調(diào)式 輸出電壓:3.3V，2.5 V ~ 11 V 輸入電壓:6.5 V ~ 45 V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.9V @ 400mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:400mA（最?。?電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:16-WQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:16-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| TLE4291EL | 制造商:Infineon Technologies AG 功能描述:SP000754260_SENSOR_TR_RO |
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