參數(shù)資料
型號(hào): MAX1978
廠商: Maxim Integrated Products, Inc.
英文描述: Integrated Temperature Controllers for Peltier Modules
中文描述: Peltier模塊集成溫度控制器
文件頁(yè)數(shù): 8/20頁(yè)
文件大?。?/td> 620K
代理商: MAX1978
M
Integrated Temperature
Controllers for Peltier Modules
8
_______________________________________________________________________________________
SWITCHING FREQUENCY CHANGE
vs. INPUT SUPPLY
M
V
DD
(V)
S
5.0
4.5
4.0
3.5
-30
-25
-20
-15
-10
-5
0
5
10
-35
3.0
5.5
REFERENCE VOLTAGE CHANGE
vs. INPUT SUPPLY
R
-2.5
-2.0
-1.5
-1.0
-0.5
0
0.5
1.0
-3.0
M
V
DD
(V)
5.0
4.5
4.0
3.5
3.0
5.5
REFERENCE VOLTAGE CHANGE
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
R
60
40
20
0
-20
-3
-2
-1
0
1
2
3
-4
-40
80
REFERENCE LOAD REGULATION
M
REFERENCE LOAD CURRENT (mA)
R
0.8
0.6
-0.2
0
0.2
0.4
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
-1.0
-0.4
1.0
SINK
SOURCE
ATO VOLTAGE
vs. THERMISTOR TEMPERATURE
M
THERMISTOR TEMPERATURE (
°
C)
A
30
20
0
10
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0
-10
40
50
60
NTC, 10k
THERMISTOR
CIRCUIT IN FIGURES 1 AND 2
STARTUP AND SHUTDOWN WAVEFORMS
M
100
μ
s/div
V
SHDN
5V/div
I
500mA/div
I
DD
200mA/div
CTLI STEP RESPONSE
M
1ms/div
1.5V
0A
V
CTLI
1V/div
I
1A/div
INPUT SUPPLY STEP RESPONSE
M
1A
0V
V
DD
2V/div
I
20mA/div
10ms/div
THERMAL STABILITY,
COOLING MODE
M
4s/div
TEMPERATURE
0.001
°
C/div
I
TEC
= +25
°
C
T
A
= +45
°
C
Typical Operating Characteristics (continued)
(V
DD
= 5V, V
CTLI
= 1V, V
FREQ
= GND, RTEC = 1
, circuit of Figure 1, T
A
= +25
°
C, unless otherwise noted.)
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MAX1978-MAX1979 Integrated Temperature Controllers for Peltier Modules
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