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参数资料
| 型号： | MAX6802UR27D2+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/7页 |
| 文件大小： | 0K |
| 描述： | IC RESET MPU LOW PWR SOT23-3 |
| 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： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 20 ms |
| 电压 - 阀值： | 2.7V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-236-3，SC-59，SOT-23-3 |
| 供应商设备封装： | SOT-23-3 |
| 包装： | 带卷 (TR) |
3-Pin, Low-Power
μP Reset Circuits
Ensuring a Valid Reset Output
Down to V CC = 0V
When V CC falls below 1V and approaches the minimum
operating voltage of 0.7V, push/pull-structured reset
sinking (or sourcing) capabilities decrease drastically.
High-impedance CMOS-logic inputs connected to the
RESET pin can drift to indeterminate voltages. This
does not present a problem in most cases, since most
μPs and circuitry do not operate when V CC drops
below 1V. For the MAX6801 application, where RESET
must be valid down to 0V, adding a pulldown resistor
between RESET and GND removes stray leakage cur-
rents, holding RESET low (Figure 2a). The pulldown
resistor value is not critical; 100k ? is large enough not
Table 1. Factory-Trimmed Reset Thresholds
to load RESET and small enough to pull it low. For the
MAX6800 application, where RESET must be valid to
V CC = 0V, a 100k ? pullup resistor between RESET and
V CC will hold RESET high when V CC falls below 0.7V
(Figure 2b).
Since the MAX6802 has an open-drain, active-low out-
put, it typically uses a pullup resistor. With this device,
RESET will most likely not maintain an active condition,
but will drift to a non-active level due to the pullup
resistor and the reduced sinking capability of the open-
drain device. Therefore, this device is not recommend-
ed for applications where the RESET pin is required to
be valid down to V CC = 0V.
RESET
THRESHOLD
T A = +25 ° C
T A = -40 ° C to +125 ° C
SUFFIX
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
MIN
4.714
4.615
4.547
4.419
4.301
4.223
4.124
4.026
3.928
3.830
3.732
3.633
3.535
3.437
3.339
3.241
3.142
3.025
2.946
2.877
2.750
2.651
2.583
TYP (V TH )
4.80
4.70
4.63
4.50
4.38
4.30
4.20
4.10
4.00
3.90
3.80
3.70
3.60
3.50
3.40
3.30
3.20
3.08
3.00
2.93
2.80
2.70
2.63
MAX
4.886
4.785
4.713
4.581
4.459
4.377
4.276
4.174
4.072
3.970
3.868
3.767
3.665
3.563
3.461
3.359
3.258
3.135
3.054
2.983
2.850
2.749
2.677
MIN
4.656
4.559
4.491
4.365
4.249
4.171
4.074
3.977
3.880
3.783
3.686
3.589
3.492
3.395
3.298
3.201
3.104
2.988
2.910
2.842
2.716
2.619
2.551
MAX
4.944
4.841
4.769
4.635
4.511
4.429
4.326
4.223
4.120
4.017
3.914
3.811
3.708
3.605
3.502
3.399
3.296
3.172
3.090
3.018
2.884
2.781
2.709
_______________________________________________________________________________________
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6802UR27D3 | 制造商:Maxim Integrated Products 功能描述:3-PIN LOW-POWER MICROPROCESSOR RES - Rail/Tube |
| MAX6802UR27D3+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 2.7V 5UA 3PIN SOT-23 - Rail/Tube |
| MAX6802UR27D3+T | 功能描述:监控电路 Single uPower 3-Pin 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 |
| MAX6802UR27D3-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 |
| MAX6802UR28D1 | 制造商:Maxim Integrated Products 功能描述:3-PIN LOW-POWER MICROPROCESSOR RES - Rail/Tube |
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