參數(shù)資料
型號(hào): LX8630-00CP
廠商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
中文描述: ADJUSTABLE POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PSFM5
封裝: PLASTIC, TO-220, 5 PIN
文件頁(yè)數(shù): 3/9頁(yè)
文件大?。?/td> 135K
代理商: LX8630-00CP
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 3
Copyright
2000
Rev. 1.0a,2000-11-28
W
M
.
LX8630-xx
3A BiCMOS Very Low Dropout Regulators
P
RODUCTION
D
ATA
S
HEET
A M I C R O S E M I C O M P A N Y
V
IN
Positive supply input for the regulator. Bypass to GND with at
source is further than 1 inch from the device.
V
OUT
!"#
$%
&
regulation, rather it is needed for transient response. Size your output capacitor to meet the transient loading
requirement. If you have a very dynamic load, a larger capacitor will improve the response to these load steps.
Reference ground. The input and output bypass capacitors should be connected to this pin. The tab on the TO-
220 and TO-263 packages along with the ground pin are also used for heatsinking the device.
Feedback pin for the regulator. For the LX8630-00, the output voltage can be set by two external resistors with
the following relationship: V
OUT
= 1.25V * (1+R
A
/R
B
) where R
A
is the resistor connected between V
OUT
and ADJ,
R
B
is the resistor connected between ADJ and GND pin.
Shutdown pin. For the LX8630-00, this pin has a threshold of about V
IN
/2, it should be actively pulled high to
enable the regulator. This can be accomplished with a resistive pull-up. When low, it turns off the regulator and
puts the device in a low current shutdown state.
GND
ADJ
SHDN
LX8630-00
IN
SHDN
GND
ADJ
OUT
V
IN
V
OUT
V
REF
C
IN
C
OUT
R
A
R
B
5
4
2
1
3
+
=
B
A
REF
OUT
R
R
1
V
V
FIGURE 1
Typical Application
P
I
N
D
E
S
C
R
I
P
T
I
O
N
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