LTC2997 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2997' PDF : 18 Pages View PDF
TYPICAL APPLICATIONS
LTC2997
MEASURE TEMPERATURE AND SET
TARGET TEMPERATURE WITH
RESISTIVE DIVIDER
INTEGRATE
TEMPERATURE
ERROR
PWM
OSCILLATOR
5V
0.1μF
100μF
10M
10M
100pF
200k
D+
470pF
VCC
VPTAT
LTC2997
D–
VREF
GND
1k
22k
–
LTC6079
+
5V
100k
–
LTC6079
+
ZXM64PO35
CET 3904
VTARGET
75k
100k
1M
VREF
10Ω
RHEATER
2997 F11
Figure 11. Analog PWM Heater Controller
www.DataSheet.net/
5V
0.1μF
10Ω
RHEATER
CET 3904
D+
470pF
D–
VCC VPTAT 4mV/K
–
LTC2997
1.8V
VREF
GND
LTC6079
+
22k
VTARGET = 1.3917V
IRF3708
75k
2997 F12
Figure 12. 75°C Analog Heater Controller
2997fa
13
Datasheet pdf - http://www.DataSheet4U.co.kr/
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