参数资料
型号: MAX6735KARVD3+T
厂商: Maxim Integrated Products
文件页数: 11/15页
文件大小: 0K
描述: IC SUPERVISOR MPU W/WD 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: 3
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: 1.575V,2.625V,可调
工作温度: -40°C ~ 85°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)
MAX6730–MAX6735
Single-/Dual-/Triple-Voltage μP Supervisory
Circuits with Independent Watchdog Output
V CC 1,
V CC 2
RSTIN
V CC
(MIN)
V TH
RST
WDO
t RP
t RP
WDI
< t WD-L
< t WD-S
> t WD-S
< t WD-L
MR
t MR
Figure 4. Watchdog Input/Output Timing Diagram ( MR and WDO Connected)
Applications Information
Interfacing to μPs with Bidirectional
Reset Pins
V CC 2 V CC 1
Microprocessors with bidirectional reset pins can inter-
face directly with the open-drain RST output options.
V CC 1
RESET TO
OTHER
However, conditions might occur in which the push-pull
output versions experience logic contention with the
bidirectional reset pin of the μP. Connect a 10k Ω resis-
tor between RST and the μP’s reset I/O port to prevent
MAX6731
MAX6733
MAX6735 RST
SYSTEM
COMPONENTS
10k Ω
RESET
μ P
logic contention (Figure 5).
Falling V CC Transients
V CC 2
The MAX6730–MAX6735 μP supervisors are relatively
immune to short-duration falling V CC _ transients (glitch-
es). Small glitches on V CC _ are ignored by the
MAX6730 –MAX6735, preventing undesirable reset
pulses to the μP. The Typical Operating Characteristics
GND
GND
show Maximum Transient Duration vs. Reset Threshold
Maxim Integrated
Figure 5. Interfacing to μPs with Bidirectional Reset I/O
11
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MAX6735KARVD4+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
MAX6735KARVD4-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
MAX6735KARVD5+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
MAX6735KARVD5-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
MAX6735KARVD6+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