MAX1978 データシートの表示（PDF） - Maxim Integrated
部品番号
コンポーネント説明
メーカー
MAX1978 Datasheet PDF : 20 Pages
| |||
Integrated Temperature
Controllers for Peltier Modules
ELECTRICAL CHARACTERISTICS (continued)
(VDD = PVDD1 = PVDD2 = SHDN = 5V, FREQ = GND, CTLI = FB+ = FB- = MAXV = MAXIP = MAXIN = REF, TA = 0°C to +85°C,
unless otherwise noted. Typical values at TA = +25°C.)
PARAMETER
PFET Leakage
No-Load Supply Current
Shutdown Supply Current
Thermal Shutdown
UVLO Threshold
Switching Frequency Internal
Oscillator
OS1, OS2, CS Input Current
SHDN, FREQ Input Current
SYMBOL
CONDITIONS
ILEAK(P)
VLX = 0, TA = +25°C
VLX = 0, TA = +85°C
IDD(NO
LOAD)
IDD-SD
TSHUTDOWN
VDD = 5V
VDD = 3.3V
SHDN = GND, VDD = 5V (Note 3)
Hysteresis = 15°C
VUVLO
VDD rising
VDD falling
fSW-INT
FREQ = GND
FREQ=VDD
IOS1, IOS2,
ICS
0 or VDD
ISHDN,
IFREQ
0 or VDD
SHDN, FREQ Input Low Voltage
VIL
VDD = 3V to 5.5V
SHDN, FREQ Input High Voltage
VIH
VDD = 3V to 5.5V
MAXV Threshold Accuracy
MAXV, MAXIP, MAXIN
Input Bias Current
CTLI Gain
CTLI Input Resistance
Error Amp Transconductance
ITEC Accuracy
ITEC Load Regulation
Instrumentation Amp Input Bias
Current
VMAXV = VREF ✕ 0.67,
VOS1 to VOS2 = ±4V, VDD = 5V
VMAXV = VREF ✕ 0.33,
VOS1 to VOS2 = ±2V, VDD = 3V
IMAXV-BIAS,
IMAXI_-BIAS
ACTLI
RCTLI
gm
VMAXV = VMAXI_ = 0.1V or 1.5V
VCTLI = 0.5V to 2.5V (Note 4)
1MΩ terminated at REF
VOS1 to VCS = +100mV or -100mV
∆VITEC
VOS1 to VCS = +100mV or -100mV,
IITEC = ±10µA
IDIF-BIAS
MIN
2.4
2.25
450
800
-100
TYP
0.02
1
30
15
2
165
2.6
2.5
500
1000
MAX
10
50
30
3
2.8
2.75
650
1200
+100
UNITS
µA
mA
mA
°C
V
kHz
µA
-5
0.75 ×
VDD
-1
-2
+5
µA
0.25 ×
V
VDD
V
+1
%
+2
-0.1
+0.1
µA
9.5
10
10.5
V/V
0.5
1.0
2.0
MΩ
50
100 175
µS
-10
+10
%
-0.1
+0.1
%
-10
0
+10
nA
Instrumentation Amp Offset
Voltage
VDIF-OS VDD = 3V to 5.5V
-200 +20 +200
µV
Instrumentation Amp Offset-
Voltage Drift with Temperature
VDD = 3V to 5.5V
0.1
µV/°C
Instrumentation Amp Preset
Gain
ADIF
RLOAD = 10kΩ to REF
45
50
55
V/V
_______________________________________________________________________________________ 3
Share Link: 