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參數資料
| 型號： | LX8554-33CDDT |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| 中文描述： | 3.3 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PSSO2 |
| 封裝： | PLASTIC, TO-263, 3 PIN |
| 文件頁數： | 1/7頁 |
| 文件大?。?/td> | 198K |
| 代理商： | LX8554-33CDDT |
D E S C R I P T I O N
K E Y F E AT U R E S
I
THREE-TERMINAL ADJUSTABLE OR FIXED
OUTPUT
I
GUARANTEED
≤
1V HEADROOM AT 5A
I
OUTPUT CURRENT OF 5A
p
FAST TRANSIENT RESPONSE
p
1% VOLTAGE REFERENCE INITIAL
ACCURACY
p
OUTPUT SHORT-CIRCUIT PROTECTION
p
BUILT-IN THERMAL SHUTDOWN
I
EVALUATION BOARD AVAILABLE:
REQUEST
LXE9001 EVALUATION KIT
The LX8554 series ICs are very low drop-
out three-terminal positive regulators with
5A rated output current. This product fam-
ily is ideally suited for Pentium
Proces-
sor and Power PC
TM
applications requir-
ing fast transient response. The LX8554
is
guaranteed to have a dropout volt-
age under 1V at 5A load,
making it ideal
to provide well-regulated outputs of 2.5V
to 3.6V with input supply as low as 4.75V.
Fixed versions are also available and are
specified in the Available Options table
below.
Current limit is trimmed above 5.1A to
ensure adequate output current and con-
trolled short-circuit current. On-chip ther-
mal limiting provides protection against
any combination of overload that would
create excessive junction temperatures.
The LX8554 series products are avail-
able in both through-hole and surface-
mount versions of industry standard 3-pin
TO-220 / TO-263 power packages.
The LX8554 family of products are ideal
for use in multiple processor applications
where output voltage is jumper selected.
The LX8554 ICs offer precision output as
well as low supply operation (see appli-
cation below). For higher current appli-
cations see the LX8584 series of products.
A P P L I C AT I O N S
I
PENTIUM PROCESSOR SUPPLIES
I
POWER PC SUPPLIES
I
MICROPROCESSOR SUPPLIES
I
LOW VOLTAGE LOGIC SUPPLIES
I
BATTERY POWERED CIRCUIT
I
POST REGULATOR FOR SWITCHING SUPPLY
5A E
XTREMELY
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
Copyright 1997
Rev. 1.1 1/97
F O R F U RT H E R I N F O R M AT I O N C A L L ( 7 1 4 ) 8 9 8 - 8 1 2 1
11861 W
ESTERN
A
VENUE
, G
ARDEN
G
ROVE
, CA. 92841
LX8554-xx
LIN D
OC
#: 8554
1
PA C K A G E O R D E R I N F O R M AT I O N
Plastic TO-220
3-pin
P
T
A
(°C)
0 to 125
Note: All surface-mount packages are available in Tape & Reel.
Append the letter "T" to part number. (i.e. LX8554-00CDDT)
"xx" refers to output voltage, please see table above.
LX8554-xxCP
LX8554-xxCDD
Plastic T0-263
3-pin
DD
P R O D U C T H I G H L I G H T
T
YPICAL
A
PPLICATION
OF
THE
LX8554
IN
A
F
LEXIBLE
M
OTHERBOARD
WITH
O
UTPUT
V
OLTAGE
S
ELECTABLE
VIA
J
UMPERS
"JP1"
AND
"JP2"
JP1
Open
Open
Short
JP2
Open
Short
Short
OUTPUT VOLTAGE
3.6V
3.45V
3.3V
LX8554
OUT
ADJ
R1
121
W
1%
1500μF, 6.3V
Sanyo MVGX Series
3x 1500μF
6.3V
Sanyo
MVGX Series
V
IN
3
4.75
IN
JP1
JP2
200
W
1%
13
W
1%
14.7
W
1%
V
(See Table Below)
V
REF
V
OUT
= V
REF
1 + R1
ADJ
R2
R2
LX8554-00
LX8554-33
Other voltage options may be available —
Please contact factory for details.
Adjustable
3.3V
Part #
Output
Voltage
A
VAILABLE
O
PTIONS
PER
P
ART
#
相關PDF資料 |
PDF描述 |
|---|---|
| LX8554-00 | 5A EXTREMELY LOW DROPOUT POSITIVE REGULATORS |
| LX8582A-00 | 8.5A LOW DROPOUT POSITIVE REGULATORS |
| LX8582A-00CP | 8.5A LOW DROPOUT POSITIVE REGULATORS |
| LX8582A-00CV | 8.5A LOW DROPOUT POSITIVE REGULATORS |
| LX8582A-33 | 8.5A LOW DROPOUT POSITIVE REGULATORS |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LX8554-33CP | 功能描述:IC REG LDO 3.3V 5A TO220 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 穩(wěn)壓器拓撲結構:正，固定式或可調式 輸出電壓:3.3V，2.5 V ~ 11 V 輸入電壓:6.5 V ~ 45 V 電壓 - 壓降（標準）:0.9V @ 400mA 穩(wěn)壓器數量:1 電流 - 輸出:400mA（最小） 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:16-WQFN 裸露焊盤 供應商設備封裝:16-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| LX8554-XX | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:5A EXTREMELY LOW DROPOUT POSITIVE REGULATORS |
| LX8580 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:7A VERY LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR |
| LX8580-00 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:7A VERY LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR |
| LX8580-00CDD | 制造商:Microsemi Corporation 功能描述:REG LDO LIN ADJ POS 7A 3PIN TO-220 - Bulk |
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