參數(shù)資料
型號: 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
文件頁數(shù): 5/20頁
文件大小: 620K
代理商: MAX1978
M
Integrated Temperature
Controllers for Peltier Modules
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS
(V
DD
= PV
DD
1 = PV
DD
2 =
SHDN
= 5V, FREQ = GND, CTLI = FB+ = FB- = MAXV = MAXIP = MAXIN = REF,
T
A
= -40
°
C to +85
°
C
,
unless otherwise noted.) (Note 5)
PARAMETER
SYMBOL
V
DD
CONDITIONS
MIN
3
MAX
5.5
UNITS
V
Input Supply Range
V
DD
= 5V, I
TEC
= 0 to ±3A,
V
OUT
= V
OS1
-V
OS2
(MAX1978)
-4.3
+4.3
V
DD
= 5V, I
TEC
= 0 to 6A,
V
OUT
= V
OS1
(MAX1979)
4.3
V
DD
= 3V, I
TEC
= 0 to ±3A,
V
OUT
= V
OS1
- V
OS2
(MAX1978)
-2.3
+2.3
Output Voltage Range
V
OUT
V
DD
= 3V, I
TEC
= 0 to 6A,
V
OUT
= V
OS1
(MAX1979)
MAX1978
MAX1979
V
DD
= 3V to 5.5V, I
REF
= 150μA
V
DD
= 3V to 5.5V,
I
REF
= 10μA to -1mA
2.3
V
±3
6
Maximum TEC Current
I
TEC(MAX)
A
Reference Voltage
V
REF
1.475
1.515
V
Reference Load Regulation
V
REF
5
mV
V
MAXI_
= V
REF
V
MAXI_
= V
REF
/3
V
MAXI_
= V
REF
V
MAXI_
= V
REF
/3
135
40
135
40
160
60
160
60
50
30
3
2.8
2.75
650
1200
V
OS1
< V
CS
Current-Sense Threshold
V
OS1
> V
CS
mV
V
DD
= 5V
V
DD
= 3.3V
SHDN
= GND, V
DD
= 5V (Note 3)
V
DD
rising
V
DD
falling
FREQ = GND
FREQ = V
DD
No-Load Supply Current
I
DD(NO
LOAD)
I
DD-SD
mA
Shutdown Supply Current
mA
2.4
2.25
450
800
UVLO Threshold
V
UVLO
V
Switching Frequency Internal
Oscillator
f
SW-INT
kHz
OS1, OS2, CS Input Current
I
OS1
, I
OS2
,
I
CS
0 or V
DD
-100
+100
μA
SHDN
, FREQ Input Current
I
SHDN
,
I
F REQ
0 or V
DD
-5
+5
μA
SHDN
, FREQ Input Low Voltage
V
IL
V
DD
= 3V to 5.5V
0.25
V
DD
V
SHDN
, FREQ Input High Voltage
V
IH
V
DD
= 3V to 5.5V
0.75
V
DD
V
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