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LTM4622 Datasheet(PDF) 7 Page - Analog Devices

Part # LTM4622
Description  Ultrathin 1.5A 關Module Thermoelectric Cooler (TEC) Regulator
PDF  24 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTM4622 Datasheet(HTML) 7 Page - Analog Devices

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LTM4663
7
Rev. A
For more information www.analog.com
BLOCK DIAGRAM
DECOUPLING REQUIREMENTS
Figure 1. Simplified LTM4663 Block Diagram
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CIN
External Input Capacitor Requirement
PVIN to GNDP
10
µF
COUT
External Output Capacitor Requirement
VPWM to GNDP
10
µF
4663 BD
VTEC
10µF
0.1µF
10µF
0.1µF
VIN
2.7V TO 5.5V
RTH
R
Rx
RV
10k
10k
10k
GNDL
SFB
SW
GNDP
RFB
VPWM
VLIM/SD
ILIM
VREF
NC
VREF
TFB
ITEC
TEC
VOLTAGE
SENSE
TEC
CURRENT
SENSE
SVIN
PVIN
TSET
TAMPOUT
PAMPN
PAMPOUT
GNDA
EN/SY
ENABLE/SYNC
FILTER
OSCILLATOR
VOLTAGE
REF
TEC CURRENT AND
VOLTAGE SENSE
AND LIMIT
CONTROLLER
LINEAR
POWER STAGE
PWM
POWER STAGE
249k
10k
–
+
0.1µF
TEC
+
–
VLDR
0.1µF
1µH
CHOPPER 1
TEMP ERR
AMP
CHOPPER 2
PID COMP
AMP
–
+
RCB
RCT
TEMPERATURE SET



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