lx1810-cdb Microsemi Corporation, lx1810-cdb Datasheet - Page 2

• Manufacturer Part Number: lx1810-cdb
• Description: Thermoelectric Cooler Drive Controller Ic
• Manufacturer: Microsemi Corporation

Copyright ¤ 2002
Rev. 1.0a, 10/21/2002
Supply Voltage (PVDD, VDD)....................................................................... -0.3V to 15V
SLEEP, STATUS, FBK+, FBK- ........................................................... -0.3V to V
IS- ..............................................................................................PV
RPWM, CPWM, MUTE ...................................................................... -0.3V to V
INPUT +, INPUT -, INAMPOUT........................................................ -0.3V to V
EAIN, EAOUT, FAOUT ..................................................................... -0.3V to V
CLOCK .................................................................................................. -0.3V to C
Operating Junction Temperature Plastic (DB Package) ............................................. 125
Storage Temperature Range ....................................................................... -65
Lead Temperature (Soldering, 10 seconds)............................................................... 300
Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to
INAMPOUT
Junction Temperature Calculation: T
The T
system. All of the above assume no ambient airflow.
Pin Name
DB
STATUS
INPUT+
INPUT -
EAOUT
THERMAL RESISTANCE
RPWM
CPWM
SHDN
VREF
STBY
EAIN
GND
V25
NC
JA
Ground. Currents are positive into, negative out of specified terminal
numbers are guidelines for the thermal performance of the device/pc-board
I N T E G R A T E D
Plastic SSOP 28-Pin
A B S O L U T E M A X I M U M R A T I N G S
5V Reference
Low Current Ground
No Internal Connection
2.5V Reference
PWM Oscillator Timing Resistor
PWM Oscillator Timing Capacitor
Positive Differential Amplifier Input
Negative Differential Amplifier Input
Input Differential Amplifier Output
IC Shutdown Control Input (active low)
IC Standby Control Input (active high)
UVLO Indicator (Open Collector Output)
Inverting Input of Error Amplifier
Error Amplifier Output
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
-
JUNCTION TO
T H E R M A L D A T A
Description
J
P R O D U C T S
= T
F U N C T I O N A L P I N D E S C R I P T I O N
A
+ (P
A
MBIENT
D
x T
JA
).
, T
Integrated Products
Microsemi
JA
ThermalMax•
DD
ThermoElectric Cooler Drive Controller IC
.
–2 to PV
Pin Name
CLOCK
FAOUT
PGND
PVDD
FBK+
FBK-
VDD
IS -
CN
CP
N+
P+
N-
P-
O
50qC/W
DD
C to 150
REF
REF
REF
DD
to +0.3V
N
+0.3V
+0.3V
+0.3V
+0.3V
+0.3V
P
RODUCTION
O
O
O
C
C
C
Feedback Amplifier Output
Feedback Amplifier Non-Inverting Input
Feedback Amplifier Inverting Input
Supply Decoupling for NFET Drivers
Output Driver High Current Ground
Drive for PFET on Negative Half of Bridge
Drive for NFET on Negative Half of Bridge
Drive for NFET on Positive Half of Bridge
Drive for PFET on Positive Half of Bridge
Output Driver Supply Voltage
Analog Supply Voltage
Supply Decoupling for PFET Drivers
Current Limit Sense Input
Input / Output Clock for Synch Operation
INAM POUT
D
STATUS
INPUT+
EAOUT
RPW M
CPW M
INPUT-
SHDN
VREF
ATA
STBY
P A C K A G E P I N O U T
EAIN
GND
V25
NC
Description
S
HEET
14
28
15
LX1810
CLOCK
IS-
CP
VDD
PVDD
P+
N+
N-
P-
PGND
CN
FBK-
FBK+
FAOUT
Page 2