参数资料
型号: MAX6443US46L+T
厂商: Maxim Integrated Products
文件页数: 4/13页
文件大小: 0K
描述: IC MPU RESET 4.625V SOT143-4
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 简单复位/加电复位
监视电压数目: 1
输出: 推挽式,图腾柱
复位: 低有效
复位超时: 最小为 140 ms
电压 - 阀值: 4.625V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: TO-253-4,TO-253AA
供应商设备封装: SOT-143-4
包装: 带卷 (TR)
μP Reset Circuits with Long Manual Reset
Setup Period
Typical Operating Characteristics
(V CC = 3.3V, T A = +25°C, unless otherwise noted.)
9
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.05
NORMALIZED RESET TIMEOUT PERIOD
vs. TEMPERATURE
250
MAXIMUM TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
8
7
T A = +25 ° C
T A = +85 ° C
1.04
1.03
200
6
1.02
5
4
T A = -40 ° C
1.01
1.00
0.99
150
100
RESET OCCURS
ABOVE THE CURVE
3
0.98
2
1
0
0.97
0.96
0.95
50
0
V TH = 4.4V
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
-40
-15
10
35
60
85
0
200
400
600
800
1000
1.03
SUPPLY VOLTAGE (V)
NORMALIZED V CC RESET THRESHOLD
vs. TEMPERATURE
24.0
TEMPERATURE ( ° C)
V CC TO RESET DELAY
vs. TEMPERATURE
24.0
RESET THRESHOLD OVERDRIVE (mV)
RSTIN TO RESET DELAY
vs. TEMPERATURE (RSTIN FALLING)
1.02
1.01
1.00
0.99
0.98
0.97
23.6
23.2
22.8
22.4
22.0
21.6
21.2
20.8
20.4
20.0
V CC = FALLING AT 1mV/ μ s
23.6
23.2
22.8
22.4
22.0
21.6
21.2
20.8
20.4
20.0
RSTIN FALLING AT 1mV/ μ s
-40
-15
10
35
60
85
-40
-15
10
35
60
85
-40
-15
10
35
60
85
TEMPERATURE ( ° C)
MANUAL RESET TO RESET DELAY
TEMPERATURE ( ° C)
TEMPERATURE ( ° C)
(MAX6445L/MAX6446L/MAX6449L/MAX6450L)
MAX6443/52 toc07
V CC = 5V
MR1
(5V/div)
V CC TO RESET DELAY
MAX6443/52 toc08
V CC = 4.5V
V TH = 4.392V
V CC (100mV/div)
V CC = 4.3V
MR2
(5V/div)
TIME (1s/div)
RESET
(5V/div)
TIME (100 μ s/div)
RESET
(2V/div)
4
_______________________________________________________________________________________
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