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参数资料
| 型号： | CAT825STDI-GT3 |
| 厂商： | ON Semiconductor |
| 文件页数： | 4/12页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR MPU 2.93V TSOT23-5 |
| 标准包装： | 3,000 |
| 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： | 高有效/低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 2.93V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 供应商设备封装： | TSOT-23-5 |
| 包装： | 带卷 (TR) |
| 其它名称： | 825STDI-GT3 |
CAT823, CAT824, CAT825
Table 3. ELECTRICAL OPERATING CHARACTERISTICS (DC Characteristics: V CC = 3.0 V to 5.5 V for L/M versions;
V CC = 2.0 V to 3.6 V for the R/S/T/U/Y/Z version, ? 40 ° C ≤ T A ≤ +85 ° C unless otherwise noted. Typical Values at T A = 25 ° C and V CC = 5 V
for L/M versions; V CC = 3.3 V for the T/S versions; V CC = 3.0 V for the R version; and V CC = 2.5 V for the U/Y/Z versions.) (Note 1)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
WATCHDOG INPUT (CAT823 & CAT824)
t WD
t WDI
V IL
Watchdog Timeout Period
WDI Pulse Width
WDI Input Voltage (Note 3)
V IL = 0.4 V, V IH = 0.8 x V CC
1.12
50
1.60
3.20
0.3 x V CC
s
ns
V
V IH
0.7 x V CC
WDI Input Current (Note 4)
WDI = V CC , Time Average
WDI = 0 V, Time Average
? 20
120
? 15
160
m A
MANUAL RESET INPUT (CAT823 & CAT825)
V IL
V IH
t PB
t PDLY
MR Input Voltage
MR Pulse Width
MR low to Reset Delay
0.7 x V CC
1
0.3 x V CC
5
V
m s
m s
MR Noise Immunity
Pulse Width with No Reset
100
ns
MR Pullup Resistance
(internal)
35
52
75
k W
1.
2.
3.
4.
Over ? temperature limits are guaranteed by design and not production tested.
The RESET short ? circuit current is the maximum pull ? up current when reset is driven low by a bidirectional output.
WDI is internally serviced within the watchdog period if WDI is left open.
The WDI input current is specified as an average input current when the WDI input is driven high or low. The WDI input if connected to
a three ? stated output device can be disabled in the tristate mode as long as the leakage current is less than 10 m A and a maximum capacitance
of less than 200 pF. To clock the WDI input in the active mode the drive device must be able to source or sink at least 200 m A when active.
TYPICAL ELECTRICAL OPERATING CHARACTERISTICS
9
8
7
6
5
4
3
2
1.06
1.04
1.02
1.00
0.98
0.96
1
? 40
? 20
0
20
40
60
80
100
120
0.94
? 40
? 20
0
20
40
60
80
100
TEMPERATURE ( ° C)
Figure 2. V CC Supply Current vs. Temperature
http://onsemi.com
4
TEMPERATURE ( ° C)
Figure 3. Normalized Reset Threshold Voltage
vs. Temperature
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT825TSDI-G | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:System Supervisory Voltage Reset with Watchdog and Manual Reset |
| CAT825TSDI-GT3 | 功能描述:监控电路 SUP ACT LOW ACT HI MR 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 |
| CAT825TTDI-G | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:System Supervisory Voltage Reset with Watchdog and Manual Reset |
| CAT825TTDI-GT3 | 功能描述:监控电路 act low act hi/MR 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 |
| CAT825YSDI-G | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:System Supervisory Voltage Reset with Watchdog and Manual Reset |
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