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参数资料
| 型号： | MAX6444US46L+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： | 8/13页 |
| 文件大小： | 271K |
| 代理商： | MAX6444US46L+T |
MAX6443–MAX6452
P Reset Circuits with Long Manual Reset
Setup Period
4
_______________________________________________________________________________________
Typical Operating Characteristics
(VCC = 3.3V, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX6443/52
toc01
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(
A)
5.0
4.5
3.5 4.0
2.0 2.5 3.0
1.5
1
2
3
4
5
6
7
8
9
0
1.0
5.5
TA = +25
°C
TA = -40
°C
TA = +85
°C
NORMALIZED RESET TIMEOUT PERIOD
vs. TEMPERATURE
MAX6443/52
toc02
TEMPERATURE (
°C)
NORMALIZED
TIMEOUT
PERIOD
60
35
10
-15
0.96
0.97
0.98
0.99
1.00
1.01
1.02
1.03
1.04
1.05
0.95
-40
85
MAXIMUM TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
MAX6443/52
toc03
RESET THRESHOLD OVERDRIVE (mV)
TRANSIENT
DURATION
(
s)
800
600
400
200
50
100
150
200
250
0
1000
VTH = 4.4V
RESET OCCURS
ABOVE THE CURVE
NORMALIZED VCC RESET THRESHOLD
vs. TEMPERATURE
MAX6443/52
toc04
TEMPERATURE (
°C)
NORMALIZED
V
CC
RESET
THRESHOLD
60
35
10
-15
0.98
0.99
1.00
1.01
1.02
1.03
0.97
-40
85
VCC TO RESET DELAY
vs. TEMPERATURE
MAX6443/52
toc05
TEMPERATURE (
°C)
V
CC
TO
RESET
DELAY
(
s)
60
35
10
-15
20.4
20.8
21.2
21.6
22.0
22.4
22.8
23.2
23.6
24.0
20.0
-40
85
VCC = FALLING AT 1mV/
s
RSTIN TO RESET DELAY
vs. TEMPERATURE (RSTIN FALLING)
MAX6443/52
toc06
TEMPERATURE (
°C)
RSTIN
TO
RESET
DELAY
(
s)
60
35
10
-15
20.4
20.8
21.2
21.6
22.0
22.4
22.8
23.2
23.6
24.0
20.0
-40
85
RSTIN FALLING AT 1mV/
s
MANUAL RESET TO RESET DELAY
(MAX6445/MAX6446/MAX6449/MAX6450)
MAX6443/52 toc07
TIME (1s/div)
MR1
(5V/div)
MR2
(5V/div)
RESET
(5V/div)
VCC = 5V
VCC TO RESET DELAY
MAX6443/52 toc08
TIME (100
s/div)
VCC (100mV/div)
RESET
(2V/div)
VCC = 4.5V
VCC = 4.3V
VTH = 4.392V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6445UK16L | 制造商:Maxim Integrated Products 功能描述:+P RESET CIRCUITS WITH LONG MANUAL - Rail/Tube |
| MAX6445UK16L+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 1.58V 7UA 5PIN SOT-23 - Rail/Tube |
| MAX6445UK16L+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 |
| MAX6445UK16L-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 |
| MAX6445UK17L | 制造商:Maxim Integrated Products 功能描述:+P RESET CIRCUITS WITH LONG MANUAL - Rail/Tube |
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