LX1810 MICROSEMI [Microsemi Corporation], LX1810 Datasheet

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LX1810

Manufacturer Part Number
LX1810
Description
ThermoElectric Cooler Drive Controller IC
Manufacturer
MICROSEMI [Microsemi Corporation]
Datasheet
Copyright  2002
Rev. 1.0a, 10/21/2002
thermo-electric cooler (TEC) controller
specifically
performance opto-electronic products
where precise temperature control is
required. These products tune or
stabilize sensitive optical components
in applications that include frequency
tunable fiber optic lasers, EDFA
amplifiers, waveguides, and other
dense
plexing (DWDM) components. Other
applications
transistors in new wireless base-
stations.
(>90%)
(PWM)
controller to be conveniently mounted
near the TEC without adding heat
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
The LX1810 is a Full-Bridge
The LX1810 uses highly efficient
wavelength
I N T E G R A T E D
technology,
pulse
designed
include
width
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
division
V
allowing
IN
for
modulation
microwave
= 15V
D E S C R I P T I O N
multi-
R
P R O D U C T S
high
T
the
to the system. The LX1810 operates on a
single
simplifying supply requirements, with an
operating frequency that is high enough
to eliminate detrimental thermal stresses
to the TEC. The output ripple factor of
the system can be maintained well below
10% thus not effecting the performance
of delta T control.
LX1810 can be used for both heating
and cooling operations. The LX1810,
when used in conjunction with a
temperature sense device, accurately
regulates TEC current levels allowing
tight control of temperature.
Pin SSOP allows the design of a fully
functional
minimizing board space.
Append the letter “T” to the part number. (i.e. LX1810-CDBT)
Fully integrated FET drivers in a 28-
P R O D U C T H I G H L I G H T
Utilizing a full-bridge topology, the
LX1810
T
0 to 70
A
PACKAGE ORDER INFO
Integrated Products
(°C)
voltage
Microsemi
Note: Available in Tape & Reel.
TEC
ThermalMax
ThermoElectric Cooler Drive Controller IC
controller
supply,
DB
LX1810-CDB
Plastic SSOP
28-Pin
greatly
P
while
RODUCTION
28-Pin SSOP Package
Integrated Switching Full-Bridge
PWM Drive Architecture
Single DC Supply Operation
Very Low Output Noise
Maximum Efficiency 90%
High Output Integrated Drivers
PSRR –70dB Typical
Differential Input To Minimize
Noise
External Oscillator
Synchronization
Peltier Effect (Thermoelectric
Coolers) Controllers
High Efficiency H-Bridge Drive
Circuits
RF Power Amplifier Electronic
Cooling
CPU Electronic Cooling
APPLICATIONS/BENEFITS
D
ATA
K E Y F E A T U R E S
TEC
S
HEET
LX1810
Page 1

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LX1810 Summary of contents

Page 1

... LX1810 T PACKAGE ORDER INFO Plastic SSOP T (° 28-Pin LX1810-CDB Note: Available in Tape & Reel. Append the letter “T” to the part number. (i.e. LX1810-CDBT) Microsemi Integrated Products LX1810 RODUCTION ATA HEET Integrated Switching Full-Bridge ...

Page 2

... Pin Name FAOUT FBK+ FBK- CN PGND PVDD VDD CLOCK Microsemi Integrated Products LX1810 RODUCTION ATA HEET VREF 28 +0.3V GND NC V25 +0.3V RPW M CPW M +0.3V INPUT+ +0 ...

Page 3

... - 125 15V 20mA OUT (Required Number of Clock Cycles) Microsemi Integrated Products LX1810 RODUCTION ATA HEET LX1810 Min Typ Max 7 15 -70 335 -110 110 3.4 1.6 0.6 2 1 –1 REF 50 1 3.465 3.5 3 ...

Page 4

... UVLO PVDD & REFERENCE + 220mV - SYNC O SC CLK CURRENT SENSE FAULT T IMER ERRO R AMP CLK M UTE MUX INPUT AMP M UTE Microsemi Integrated Products LX1810 RODUCTION ATA HEET LX1810 Min Typ Max 25 2.9 5.0 62,500 1.2 1.45 1.6 1.6 1.7 1.8 30 100 1.5 2.0 30 100 1.5 2.0 30 100 1 1.5 30 100 1 1 ...

Page 5

... *LC *Lead Coplanarity Note: 1. Dimensions do not include mold flash or protrusions; 0.155mm(.006”) on any side. Lead dimension shall not include solder coverage. Microsemi Integrated Products LX1810 RODUCTION ATA HEET M I ILLIMETERS NCHES MIN MAX MIN MAX 1.65 1.85 0.065 ...

Page 6

... Copyright  2002 Rev. 1.0a, 10/21/2002 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 ThermalMax ThermoElectric Cooler Drive Controller Microsemi Integrated Products LX1810 RODUCTION ATA HEET Page 6 ...

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