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參數(shù)資料
| 型號(hào)： | LX432ISE-TR |
| 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： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24 V, PDSO5 |
| 封裝： | PLASTIC, SOT-23, 5 PIN |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大?。?/td> | 205K |
| 代理商： | LX432ISE-TR |
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1
Copyright
2000
Rev. 1.2d, 2004-08-24
WWW
.Microse
m
i
.CO
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LX432
Low Voltage Adjustable Precision Shunt Regulator
PRODUCTION DATA SHEET
TM
DESCRIPTION
The LX432 series are low-voltage
precision adjustable shunt regulators with
a reference voltage of 1.24V. The output
voltage may be set to any value between
1.24V and 20V by two external resistors.
These
devices
offer
low
output
impedance for improved load regulation –
typical output impedance is 200m
. The
LX432 series operates with an operating
current as low as 80A, making these
devices
suitable
for
portable
and
micropower applications.
Low voltage operation enables the
LX432 to be used in the feedback loop of
isolated low voltage power supplies. The
minimum output voltage is determined by
the LX432 output voltage plus the forward
voltage drop of the opto-coupler LED
(typically 1.24 + 1.4 = 2.64V minimum).
See figure 12.
The LX432 is offered in 3 and 5-Pin
SOT-23 or TO-92 packages, and is a drop-
in replacement for the TLV431 and
SC431L devices.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
KEY FEATUR ES
Low Voltage Operation:
1.24V Reference
Initial Voltage Reference
Accuracy 1%
Adjustable Output Voltage
From VREF to 20V
Typical Output Dynamic
Impedance Less Than
250m
Sink Current Capability
80A To 20mA
Direct Alternative To
TLV431
APPLICATIONS
Low Voltage Adjustable
Power Supplies
Instrumentation
Computers
Portable Equipment
PRODUCT H I GHLIGHT
R2
R1
GND
V
KA
V
IN
LX432
Reference
Cathode
Anode
PACKAGE ORDER INFO
TA (°C)
SC / SE
Package Marking
SC
Plastic SOT-23
3-Pin
SE
Plastic SOT-23
5-Pin
LP
Plastic TO-92
3-Pin
0 to 70
432C
LX432CSC
LX432CSE
LX432CLP
-40 to 85
432I
LX432ISC
LX432ISE
LX432ILP
Note: Available in Tape & Reel.
Append the letters “TR” to the part number. (i.e. LX432CSE-TR)
TO-92 (LP) package also available in ammo-pack.
LL
XX
44
33
22
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