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參數資料
| 型號： | LD2985BM50R |
| 廠商： | 意法半導體 |
| 英文描述： | VERY LOW DROP AND LOW NOISE VOLTAGE REGULATOR LOW ESR CAP. COMPATIBLE, WITH INHIBIT FUNCTION |
| 中文描述： | 很好低壓差，低噪聲穩(wěn)壓器低ESR的上限。一致，但禁止功能 |
| 文件頁數： | 1/13頁 |
| 文件大?。?/td> | 301K |
| 代理商： | LD2985BM50R |
1/13
July 2003
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VERY LOW DROPOUT VOLTAGE (280mV
AT 150mA AND 7mV AT 1mA LOAD)
VERY LOW QUIESCENT CURRENT (2mA
TYP. AT 150mA LOAD AND 80
μ
A AT NO
LOAD)
OUTPUT CURRENT UP TO 150mA
LOGIC CONTROLLED ELECTRONIC
SHUTDOWN
OUTPUT VOLTAGE OF 1.5, 1.8, 2.5, 2.8,
2.85, 3, 3.1, 3.2, 3.3, 3.5, 3.6, 3.8, 4, 4.7, 5V
INTERNAL CURRENT AND THERMAL LIMIT
AVAILABLE IN
±
1% TOLLERANCE (AT 25°C,
A VERSION)
LOW OUTPUT NOISE VOLTAGE 30
μ
Vrms
SMALLEST PACKAGE SOT23-5L
TEMPERATURE RANGE: -40°C TO 125°C
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DESCRIPTION
The LD2985 is a 150mA fixed output voltage
regulator. The ultra low drop voltage and the low
quiescent current make them particularly suitable
for low noise, low power applications, and in
battery
powered
systems.
quiescent current is less than 1μA when INHIBIT
pin is pulled low. Shutdown Logic Control Function
In
sleep
mode
is available on pin 3 (TTL compatible). This means
that when the device is used as local regulator, it
is possible to put a part of the board in standby,
decreasing the total power consumption.
An external capacitor, C
BYP
=10nF, connected
between bypass pin and GND
to 30μVrms.
Typical application are in cellular phone, palmtop
laptop computer, personal digital assistant (PDA),
personal stereo, camcorder and camera.
reduce the noise
LD2985
SERIES
VERY LOW DROP AND LOW NOISE VOLTAGE REGULATOR
LOW ESR CAP. COMPATIBLE, WITH INHIBIT FUNCTION
SCHEMATIC DIAGRAM
SOT23-5L
相關PDF資料 |
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| LD2985 | Very low drop and low noise voltage regulator low ESR capacitors compatible, with inhibit function(與低ESR電容兼容，極低壓差，低噪聲穩(wěn)壓器) |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LD2985BXX | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Very low drop and low noise voltage regulator low ESR capacitors compatible, with inhibit function |
| LD2985BXX15 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERY LOW DROP AND LOW NOISE VOLTAGE REGULATO WITH INHIBIT FUNCTION |
| LD2985BXX18 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERY LOW DROP AND LOW NOISE VOLTAGE REGULATO WITH INHIBIT FUNCTION |
| LD2985BXX25 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Very low drop and low noise voltage regulator low ESR capacitors compatible, with inhibit function |
| LD2985BXX27 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Very low drop and low noise voltage regulator low ESR capacitors compatible, with inhibit function |
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