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參數資料
| 型號： | LK112SXX31 |
| 廠商： | 意法半導體 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION |
| 中文描述： | 低噪聲低的關斷功能降穩(wěn)壓器 |
| 文件頁數： | 1/11頁 |
| 文件大?。?/td> | 427K |
| 代理商： | LK112SXX31 |
1/11
February 2003
I
OUTPUT CURRENT UP TO 200mA
LOW DROPOUT VOLTAGE (500mV MAX AT
I
OUT
=200mA)
VERY LOW QUIESCENT CURRENT: 0.1
μ
A
IN OFF MODE AND MAX 250
μ
A IN ON
MODE AT I
OUT
=0mA
LOW OUTPUT NOISE: TYP 30
μ
V AT
I
OUT
=60mA AND 10Hz<f<80KHz
WIDE RANGE OF OUTPUT VOLTAGES
INTERNAL CURRENT AND THERMAL LIMIT
V
OUT
TOLERANCE
±
2% (AT 25°C)
I
I
I
I
I
I
DESCRIPTION
The LK112S is a low dropout linear regulator with
a built in electronic switch. The internal switch can
be controlled by TTL or CMOS logic levels. The
device is ON state when the control pin is pulled to
a logic high level. An external capacitor can be
used connected to the noise bypass pin to lower
the output noise level to 30
μ
V
rms
. An internal PNP
pass transistor is used to achieve a low dropout
voltage.
The LK112S has a very low quiescent current in
ON MODE while in OFF MODE the Iq is reduced
down to 100nA max. The internal thermal
shutdown circuitry limits the juntion temperature to
below 150°C. The load current is internally
monitored and the device will shutdown in the
presence of a short circuit or overcurrent condition
at the output.
LK112S
SERIES
LOW NOISE LOW DROP VOLTAGE REGULATOR
WITH SHUTDOWN FUNCTION
SCHEMATIC DIAGRAM
SOT23-5L
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PDF描述 |
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| LK112SXX32 | LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION |
| LK112SXX33 | LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION |
| LK112SXX34 | LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION |
| LK112SXX35 | LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION |
| LK112SXX36 | LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LK112SXX32 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low noise low drop voltage regulator with shutdown function |
| LK112SXX33 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low noise low drop voltage regulator with shutdown function |
| LK112SXX34 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low noise low drop voltage regulator with shutdown function |
| LK112SXX35 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low noise low drop voltage regulator with shutdown function |
| LK112SXX36 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low noise low drop voltage regulator with shutdown function |
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