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參數資料
| 型號： | L387 |
| 廠商： | 意法半導體 |
| 英文描述： | VERY LOW DROP 5V REGULATOR WITH RESET |
| 中文描述： | 很好低壓差5V穩壓器帶復位 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 81K |
| 代理商： | L387 |
L387A
October1991
VERY LOW DROP 5V REGULATOR WITH RESET
.
PRECISEOUTPUT VOLTAGE(5 V
±
4 %)
.
VERYLOW DROPOUT VOLTAGE
.
OUTPUT CURRENT IN EXCESS OF 500mA
.
POWER-ON,
(RESET FUNCTION)
.
HIGH NOISE IMMUNITY ON RESET DELAY
CAPACITOR
POWER-OFF
INFORMATION
ORDERING NUMBER :
L387A
Pentawatt
The L387A is a very low drop voltage regulator in
a Pentawatt
package specially designed to pro-
vide stabilized 5V supplies in consumer and in-
dustrial applications. Thanks to its very low in-
put/output voltage drop this device is very useful
in battery powered equipment, reducing con-
sumption and prolonging battery life. A reset out-
put makes the L387A particularly suitable for mi-
croprocessor systems. This output provides a re-
set signal when power is applied (after an exter-
nal programmable delay) and goes low when
DESCRIPTION
power is removed, inhibiting the microprocessor.
An hysteresis on reset delay capacitor raises the
immunity to the ground noise.
APPLICATION CIRCUIT
* Min33
μ
F and max. ESR
≤
3
over temperature range.
ABSOLUTE MAXIMUM RATINGS
Symbol
V
i
T
j
, T
stg
Parameter
Value
35
–55 to 150
Unit
V
°
C
D.C. Input Voltage
Junction and Storage Temperature Range
1/6
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相關代理商/技術參數 |
參數描述 |
|---|---|
| L387A | 功能描述:低壓差穩壓器 - LDO 5V 0.4A Very LDO 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 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| L387A_03 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERY LOW DROP 5V REGULATOR WITH RESET |
| L387AH | 功能描述:低壓差穩壓器 - LDO 5V 0.4A Very LDO 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 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| L38812 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:LINEAR INTEGRATED CIRCUIT |
| L3882 | 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:High output red LED |
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