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參數(shù)資料
| 型號： | LX8117-25CST |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 0.8, 1 & 1.2A LOW DROPOUT POSITIVE REGULATORS |
| 中文描述： | 2.5 V FIXED POSITIVE LDO REGULATOR, 1.2 V DROPOUT, PDSO4 |
| 封裝： | PLASTIC, SOT-223, 3 PIN |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 222K |
| 代理商： | LX8117-25CST |
Note: All surface-mount packages are available in Tape & Reel. Append the letter "T" to part number
(i.e. LX8117-28CSTT). "xx" refers to output voltage, please see table above.
D E S C R I P T I O N
K E Y F E AT U R E S
I
0.2% Line Regulation Maximum
I
0.4% Load Regulation Maximum
I
Output Current Of 800mA
I
Regulates Down To 1.2V Dropout
(LX8117) And 1.3V Dropout (LX8117A)
I
Operates Down To 1V Dropout
I
Space Saving SOT-223 Surface
Mount Package
I
Guaranteed Dropout Voltage At Multiple
Current Levels
I
Three-Terminal Adjustable Or Fixed 2.5V,
2.85V, 3.3V & 5V
The LX8117/8117A/8117B series are
positive Low Dropout (LDO) regulators.
At the designed maximum load current,
the LX8117 series dropout voltage is guar-
anteed to be 1.2V or lower at 0.8A
(LX8117A 1.3V @ 1A). The dropout
voltage decreases with load current.
An adjustable output voltage version
of the LX8117/17A/17B is available, as
well as versions with fixed outputs of
2.5V, 2.85V, 3.3V and 5V. The 2.85V
version is specifically designed for use
as a component of active termination
networks for the SCSI bus. On-chip
trimming of the internal voltage reference
allows specification of the initial output
voltage to within ±1% of its nominal
value. The output current-limit point is
also trimmed, which helps to minimize
stress on both the regulator and the
system power source when they are
operated under short-circuit conditions.
The regulator's internal circuitry will
operate at input-to-output differential
voltages down to 1V.
Most regulator circuit designs include
output capacitors with values in the range
of tens to hundreds of microfarads or
more. The LX8117/17A/17B typically
requires at least 10μF of output capaci-
tance for stable operation.
PNP-type regulators can waste current
equal to as much as 10 percent of their
output as a quiescent current which flows
directly to ground, bypassing the load.
Quiescent current from the LX8117/17A/
17B flows through the load, increasing
power-use efficiency and allowing cooler
operation.
The LX8117 is available in low-profile
plastic SOT-223 and D-Pak packages for
applications where space is at a premium.
The LX8117 is also available in a plastic
TO-263 package for instances when the
thermal resistance from the circuit die to
the environment must be minimized.
P R O D U C T H I G H L I G H T
A
CTIVE
T
ERMINATOR
FOR
SCSI-2 B
US
0.8, 1 & 1.2A L
OW
D
ROPOUT
P
OSITIVE
R
EGULATORS
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
LX8117-xx/8117A-xx/8117B-xx
LIN D
OC
#: 8117
A P P L I C AT I O N S
I
Battery Chargers
I
Active SCSI Terminators
I
5V To 3.3V Linear Regulators
I
High-Efficiency Linear Regulators
I
Post Regulators For Switching Supplies
PA C K A G E O R D E R I N F O R M AT I O N
Plastic SOT-223
3-pin
ST
0.8A
LX8117-xxCST
1.0A
LX8117A-xxCST
1.2A
LX8117B-xxCST
T
A
(°C)
Plastic T0-263
3-pin
LX8117-xxCDD
LX8117A-xxCDD
LX8117B-xxCDD
DD
LX8117-xxCDT
LX8117A-xxCDT
LX8117B-xxCDT
0 to 125
LX8117/8117A/8117B-00
LX8117/8117A/8117B-25
LX8117/8117A/8117B-28
LX8117/8117A/8117B-33
LX8117/8117A/8117B-05
Adjustable
2.5V
2.85V
3.3V
5V
Part #
Output
Voltage
A
VAILABLE
O
PTIONS
PER
P
ART
#
110
110
110
110
22μF
GND
OUT
IN
LX8117-28
10μF
18 to 27
Lines
4.75V to
5.25V
Plastic T0-252
(D-Pak) 3-pin
DT
Copyright 1999
Rev. 1.4 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.
O/P
Current
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LX8117-28 | 0.8, 1 & 1.2A LOW DROPOUT POSITIVE REGULATORS |
| LX8117-28CDD | 0.8, 1 & 1.2A LOW DROPOUT POSITIVE REGULATORS |
| LX8117A-25 | 0.8, 1 & 1.2A LOW DROPOUT POSITIVE REGULATORS |
| LX8117A-25CDD | 0.8, 1 & 1.2A LOW DROPOUT POSITIVE REGULATORS |
| LX8117A-25CDT | 0.8, 1 & 1.2A LOW DROPOUT POSITIVE REGULATORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LX8117-25CSTT | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:Positive Fixed Voltage Regulator |
| LX8117-28 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:0.8, 1 & 1.2A LOW DROPOUT POSITIVE REGULATORS |
| LX8117-28CDD | 功能描述:IC REG LDO 2.85V TO263 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標準包裝:3,000 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式和可調(diào)式 輸出電壓:3.3V，1.25 V ~ 5.7 V 輸入電壓:4.5 V ~ 7 V 電壓 - 壓降（標準）:1.1V @ 1A 穩(wěn)壓器數(shù)量:2 電流 - 輸出:1A 電流 - 限制（最?。?1A 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-252-5，DPak（4 引線 + 接片），TO-252AD 供應(yīng)商設(shè)備封裝:PPAK 包裝:管件 其它名稱:497-3576-5 |
| LX8117-28CDDT | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:Positive Fixed Voltage Regulator |
| LX8117-28CDT | 功能描述:IC REG LDO 2.85V SPAK-7 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標準包裝:3,000 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式和可調(diào)式 輸出電壓:3.3V，1.25 V ~ 5.7 V 輸入電壓:4.5 V ~ 7 V 電壓 - 壓降（標準）:1.1V @ 1A 穩(wěn)壓器數(shù)量:2 電流 - 輸出:1A 電流 - 限制（最小）:1A 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-252-5，DPak（4 引線 + 接片），TO-252AD 供應(yīng)商設(shè)備封裝:PPAK 包裝:管件 其它名稱:497-3576-5 |
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