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LX1801 Datasheet

  • LX1801

  • SPARK for MED427A-1

  • 4頁

  • MICROSEMI

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LX1801
"SPARK" for MED427A-1
CARLSBAD DIVISION
TARGET DATASHEET
DESCRIPTION
KEY FEATURES
Low peak current
consumption: <2mA
3V operation
2
Small form factor: 1.45mm
Double/single output voltage
option
Solder bumped die
The MSC-LX1801 is the IC1 "Spark" for the MED427A-1 module. The "Spark"
chip has an oscillator, a voltage doubler, and a level shifter. The oscillator is a
"555" timer variant where the external resistor (Rref) determines the frequency.
The voltage doubler increases the output (OUT) of the oscillator by a factor of 2
(times VDDLO). The voltage doubler also provides a single output voltage if
disabled (EN2x). This level shifter shifts voltage inputs from the lower voltage
(VDDlo) to the higher voltage (VDDhi).
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
W W W.
Microsemi
.COM
IMPORTANT:
For the most current data, consult
MICROSEMI鈥檚
website:
http://www.microsemi.com
BLOCK DIAGRAM
EN2X
VDDlo
Ref
R
REF
ENhi
VDDhi
ENlo
VSS
Voltage
Doubler
2x
OUThi
Oscillator
VSS
VDDlo
Level
Shifter
OUTlo
Simplified Block Diagram
LX1801
LX1801
PACKAGE ORDER INFO
Package Number
T
J
(擄C)
LX1801
10 to 55
Copyright
錚?/div>
2001
Rev. 0.2b, 2002-06-17
Microsemi
Carlsbad Division
5973 Aveniva Encinas, Suite 101, Carlsbad 92008, Fax (760) 431-0541
1

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