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参数资料
| 型号： | MAX6444US29L+T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | µP Reset Circuits with Long Manual Reset Setup Period |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
| 封装： | LEAD FREE, TO-253, SOT-143, 4 PIN |
| 文件页数： | 6/13页 |
| 文件大小： | 271K |
| 代理商： | MAX6444US29L+T |
MAX6443–MAX6452
P Reset Circuits with Long Manual Reset
Setup Period
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
All Voltages Referenced to GND
VCC ..........................................................................-0.3V to +6V
Open-Drain RESET ..................................................-0.3V to +6V
Push-Pull RESET ........................................-0.3V to (VCC + 0.3V)
MR1, MR2, MR2, RSTIN ..........................................-0.3V to +6V
Input Current, All Pins.......................................................±20mA
Continuous Power Dissipation (TA = +70°C)
4-Pin SOT143-4 (derate 4.0mW/°C above +70°C) .....320mW
5-Pin SOT23-5 (derate 7.1mW/°C above +70°C) .......571mW
6-Pin SOT23-6 (derate 8.7mW/°C above +70°C) .......696mW
Operating Temperature Range .......................... -40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
ELECTRICAL CHARACTERISTICS
(VCC = 1.0V to 5.5V, TA = -40°C to +85°C, unless otherwise specified. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Voltage Range
VCC
1.0
5.5
V
VCC = 5.5V, no load
7
20
VCC Supply Current
ICC
VCC = 3.6V, no load
6
16
A
46
4.50
4.63
4.75
44
4.25
4.38
4.50
31
3.00
3.08
3.15
29
2.85
2.93
3.00
26
2.55
2.63
2.70
23
2.25
2.32
2.38
22
2.12
2.19
2.25
17
1.62
1.67
1.71
VCC Reset Threshold
VTH
16
1.52
1.58
1.62
V
Reset Threshold Tempco
60
ppm/°C
Reset Threshold Hysteresis
2
× VTH
mV
TA = 0°C to +85°C
0.615
0.630
0.645
RSTIN Threshold
VTH-RSTIN
MAX6449–MAX6452
TA = -40°C to +85°C
0.610
0.650
V
RSTIN Threshold Hysteresis
VHYST
MAX6449–MAX6452
2.5
mV
RSTIN Input Current
IRSTIN
MAX6449–MAX6452
-25
+25
nA
RSTIN to Reset Output Delay
MAX6449–MAX6452, VRSTIN falling at
1mV/s
15
s
Reset Timeout Period
tRP
140
210
280
ms
VCC to RESET Output Delay
tRD
VCC falling at 1mV/s
20
s
MR1 Minimum Setup Period
Pulse Width
tMR
4.48
6.72
8.96
s
MR1 + MR2 Minimum Setup
Period Pulse Width
MAX6445/MAX6446/MAX6449/MAX6450
4.48
6.72
8.96
s
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6444US31L | 制造商:Maxim Integrated Products 功能描述:MICROPROCESSOR RESET CIRCUITS WITH - Rail/Tube |
| MAX6444US31L+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 3.08V 7UA 4PIN SOT-23 - Rail/Tube |
| MAX6444US31L+T | 功能描述:监控电路 Single uPower Reset Circuit RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6444US31L-T | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6444US44L | 制造商:Maxim Integrated Products 功能描述:MICROPROCESSOR RESET CIRCUITS WITH - Rail/Tube |
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