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參數(shù)資料
| 型號： | LX8940 |
| 廠商： | Microsemi Corporation |
| 英文描述： | 5V LOW DROPOUT REGULATOR |
| 中文描述： | 5V的低壓差穩(wěn)壓器 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 137K |
| 代理商： | LX8940 |
D E S C R I P T I O N
K E Y F E AT U R E S
I
2% Internally Trimmed Output
I
Output Current In Excess Of 1A
I
Input-Output Differential
Less Than 0.4V At 1A
p
Reverse Battery Protection
p
60V Load Dump Protection
p
-50V Reverse Transient Protection
p
Short Circuit Protection
p
Internal Thermal Overload Protection
p
Available In 3-Lead Plastic TO-220
p
Drops In Most lM2940 Sockets
The LX8940 is a 5V, low dropout, low
quiescent current regulator rated for 1A
of output current. It can regulate with
as low as 0.4V headroom between the
input and output voltages, thus
minimizing power dissipation. In
addition, it can be used in applications
where worst case supplies require a
low input-output differential to maintain
regulation. This feature makes it ideal
for computer monitors that have to
comply with energy-efficient / "Green
PC" programs, where the input voltage
drops to only a few tenths of a volt
above the output when power supply
enters sleep-mode operation.
P R O D U C T H I G H L I G H T
T
A
(°C)
Plastic TO-220
3-pin
LX8940CP
LX8940IP
0 to 125
-40 to 125
P
LX8940
OUT
IN
GND
10μF
0.1μF
5V/100mA
5.3V
D
ROPOUT
V
OLTAGE
VS
. O
UTPUT
C
URRENT
VS
. T
EMPERATURE
600
L
O A D
T
R A N S I E N T
R
E S P O N S E
100
0
Output Current - (mA)
D
200
100
500
1000
400
500
300
125°C
25°C
-40°C
Time - (20μs/Div.)
O
(
0mA
T
A
= 25°C
C
IN
= 1μF
V
IN
= 5.30V
O
(
5.000V
C
O
= 47μF Electrolytic
100mA
4.980V
A P P L I C AT I O N S
I
Small Headroom Battery Applications
I
High Efficiency Linear Regulators
I
Post Regulators For Switching Power
Supplies
I
Green PC Monitor Applications
5 V L
O W
D
R O P O U T
R
E G U L A T O R
P
R O D U C T I O N
D
A T A
S
H E E T
T
H E
I
N F I N I T E
P
O W E R
O F
I
N N O V A T I O N
LX8940
LIN D
OC
#: 8940
PACKAGE ORDER INFO
Copyright 1999
Rev. 1.3 3/99
1
11861 W
ESTERN
A
VENUE
, G
ARDEN
G
ROVE
, CA. 92841, 714-898-8121, F
AX
: 714-893-2570
L
I N
F
I N I T Y
M
I C R O E L E C T R O N I C S
I
N C
.
NOTE:
For current data & package dimensions, visit our web site:
http://www.linfinity.com.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LX8940CP | 5V LOW DROPOUT REGULATOR |
| LX8940IP | 5V LOW DROPOUT REGULATOR |
| LX8941 | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| LX8941CDD | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| LX8941CP | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LX8940_05 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:5V Low Dropout Regulator |
| LX8940CP | 功能描述:IC REG LDO 5V TO220 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.8V 輸入電壓:最高 16V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.3V @ 80mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:80mA 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:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| LX8940CP-TR | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:5V Low Dropout Regulator |
| LX8940IP | 功能描述:IC REG LDO 5V TO220 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.8V 輸入電壓:最高 16V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.3V @ 80mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:80mA 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:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| LX8940IP-TR | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:5V Low Dropout Regulator |
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