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参数资料
| 型号： | MAX6751KA22+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/14页 |
| 文件大小： | 0K |
| 描述： | IC RESET MPU W/ADJ RESET SOT23-8 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 多压监控器 |
| 监视电压数目： | 2 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 可调节/可选择 |
| 电压 - 阀值： | 2.188V，可调 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 |
| 供应商设备封装： | SOT-23-8 |
| 包装： | 带卷 (TR) |
MAX6746–MAX6753r
μP Reset Circuits with Capacitor-Adjustable
Reset/Watchdog Timeout Delay
Typical Operating Characteristics (continued)
(V CC = +5V, T A = +25°C, unless otherwise noted.)
V CC TO RESET DELAY
vs. TEMPERATURE (V CC FALLING)
RESET AND WATCHDOG
TIMEOUT PERIOD vs. SUPPLY VOLTAGE
RESET AND WATCHING TIMEOUT
PERIOD vs. SUPPLY VOLTAGE
27.0
V CC FALLING AT 1mV/μs
0.60
C SWT = C SRT = 100pF
9.0
C SWT = C SRT = 1500p F
26.6
26.2
25.8
25.4
25.0
0.56
0.52
0.48
0.44
0.40
8.5
8.0
7.5
7.0
6.5
6.0
RESET
WATCHDOG
-50
-25
0
25
50
75
100
125
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
TEMPERATURE ( ° C)
V CC (V)
V CC (V)
Pin Description
PIN
MAX6746
MAX6747
1
MAX6748–
MAX6751
—
MAX6752
MAX6753
—
NAME
MR
FUNCTION
Manual Reset Input. Pull MR low to manually reset the device. Reset
remains asserted for the reset timeout period after MR is released.
Reset Input. High-impedance input to the adjustable reset comparator.
—
1
—
RESET IN
Connect RESET IN to the center point of an external resistor-divider to
set the threshold of the externally monitored voltage.
—
—
1
SET0
Logic Input. SET0 selects watchdog window ratio or disables the
watchdog timer. See Table 1.
Watchdog Timeout Input.
MAX6746–MAX6751: Connect a capacitor between SWT and ground to
set the basic watchdog timeout period (t WD ). Determine the period by
the formula t WD = 5.06 x 10 6 x C SWT with t WD in seconds and C SWT in
Farads. Extend the basic watchdog timeout period by using the WDS
input. Connect SWT to ground to disable the watchdog timer function.
2
2
2
SWT
MAX6752/MAX6753: Connect a capacitor between SWT and ground to
set the slow watchdog timeout period (t WD2 ). Determine the slow
watchdog period by the formula: t WD2 = 0.65 x 10 9 x C SWT with t WD2 in
seconds and C SWT in Farads. The fast watchdog timeout period is set
by pinstrapping SET0 and SET1 (Connect SET0 high and SET1 low to
disable the watchdog timer function.) See Table 1.
Reset Timeout Input. Connect a capacitor from SRT to GND to select
3
3
3
SRT
the reset timeout period. Determine the period as follows: t RP = 5.06 x
10 6 x C SRT with t RP in seconds and C SRT in Farads.
4
4
4
GND
Ground
Maxim Integrated
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6751KA23 | 制造商:Maxim Integrated Products 功能描述:SINGLE/DUAL-VOLT MICROPROC. RESET C - Cut Tape Product |
| MAX6751KA23+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX6751KA23+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 |
| MAX6751KA23-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 |
| MAX6751KA24 | 制造商:Maxim Integrated Products 功能描述:SINGLE/DUAL-VOLT MICROPROC. RESET C - Rail/Tube |
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