参数资料
型号: MAX1978ETM+
厂商: Maxim Integrated Products
文件页数: 6/20页
文件大小: 0K
描述: IC CNTRLR INT TEMP 48TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 43
应用: 热电冷却器
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(7x7)
包装: 管件
产品目录页面: 1410 (CN2011-ZH PDF)
MAX1978/MAX1979
Integrated Temperature
Controllers for Peltier Modules
ELECTRICAL CHARACTERISTICS (continued)
(V DD = PV DD 1 = PV DD 2 = V SHDN = 5V, FREQ = GND, CTLI = FB+ = FB- = MAXV = MAXIP = MAXIN = REF, T A = -40°C to +85°C ,
unless otherwise noted.) (Note 5)
PARAMETER
MAXV Threshold Accuracy
SYMBOL
CONDITIONS
V MAXV = V REF ? 0.67,
V OS1 to V OS2 = ±4V, V DD = 5V
MIN
-1
MAX
+1
UNITS
%
V MAXV = V REF ? 0.33, V OS1 to V OS2 = ±2V,
V DD = 3V
-2
+2
MAXV, MAXIP, MAXIN
Input Bias Current
CTLI Gain
CTLI Input Resistance
I MAXV-BIAS ,
I MAXI_-BIAS
A CTLI
R CTLI
V MAXV = V MAXI_ = 0.1V or 1.5V
V CTLI = 0.5V to 2.5V (Note 4)
1M ? terminated at REF
-0.1
9.5
0.5
+0.1
10.5
2.0
μA
V/V
M ?
Error Amp Transconductance
ITEC Accuracy
g m
V OS1 to V CS = +100mV or -100mV
50
-10
175
+10
μS
%
ITEC Load Regulation
Instrumentation Amp
Input Bias Current
Instrumentation Amp
Offset Voltage
Instrumentation Amp
Preset Gain
Integrator Amp Input Bias Current
Integrator Amp Voltage Offset
Undedicated Chopper Amp Input
Bias Current
Undedicated Chopper Amp
Offset Voltage
BFB_ Buffer Error
UT and OT Leakage Current
UT and OT Output Low Voltage
? V ITEC
I DIF-BIAS
V DIF-OS
A DIF
I INT-BIAS
V INT-OS
I AIN-BIAS
V AIN-OS
I LEAK
V OL
V OS1 to V CS = +100mV or
-100mV, I ITEC = ±10μA
V DD = 3V to 5.5V
R LOAD = 10k ? to REF
V DD = 3V to 5.5V
V DD = 3V to 5.5V
V DD = 3V to 5.5V
V DD = 3V to 5.5V
C LOAD < 100pF
V UT = V OT = 5.5V
Sinking 4mA
-0.125
-10
-200
45
-3
-10
-200
-200
+0.125
+10
+200
55
1
+3
+10
+200
+200
1
150
%
nA
μV
V/V
nA
mV
nA
μV
μV
μA
mV
A CTLI = ( V CTLI REF )
Note 3: Includes power FET leakage.
Note 4: CTLI gain is defined as:
? V
( V OSI ? V CS )
Note 5: Specifications to -40°C are guaranteed by design, not production tested.
6
Maxim Integrated
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MAX1978ETM+ 功能描述:电压模式 PWM 控制器 Integrated Temp Ctlr for Peltier Modules RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
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