参数资料
型号: MAX6874ETJ+
厂商: Maxim Integrated Products
文件页数: 13/40页
文件大小: 0K
描述: IC SEQUENCE/SUPERVISOR 32TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 43
类型: 序列发生器
监视电压数目: 6
输出: 开路漏极,推挽式
复位: 高有效/低有效
复位超时: 可调节/可选择
电压 - 阀值: 8 种可选阀值组合
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-TQFN-EP(5x5)
包装: 管件
EEPROM-Programmable, Hex/Quad,
Power-Supply Sequencers/Supervisors
Table 1. Programmable Features (continued)
FEATURE
DESCRIPTION
Manual Reset Input
( MR )
Write Disable
Configuration Lock
?
?
?
?
?
Forces PO_ into the active output state when MR = GND
PO_ deassert after MR releases high and the PO_ timeout period expires
PO_ cannot be a function of MR only
Locks user EEPROM based on PO_
Locks configuration EEPROM
x = TH
High-Voltage Input (IN1)
IN1 offers threshold voltages of +2.5V to +13.2V in
50mV increments, or +1.25V to +7.625V in 25mV incre-
V ? 1.25 V
0 . 025 V
for + 1 . 25 V to + 3 . 05 V range
ments. Use the following equations to set the threshold
voltages for IN1:
where V TH is the desired threshold voltage and x is the
decimal code for the desired threshold (Table 3).
x = TH
x = TH
V ? 1.25 V
V ? 2.5 V
0 . 05 V
0 . 025 V
for + 2 . 5 V to + 13 . 2 V range
for + 1 . 25 V to + 7 . 625 V range
For the +2.5V to +5.5V range, x must equal 60 or less,
otherwise the threshold exceeds the maximum operat-
ing voltage of IN2. For the +1V to +3.05V range, x must
equal 72 or less.
IN3–IN6
IN3–IN6 offer positive voltage detectors monitor volt-
ages from +1V to +5.5V in 20mV increments, or +0.5V
where V TH is the desired threshold voltage and x is the
decimal code for the desired threshold (Table 2). For
to +3.05V in 10mV increments. Use the following equa-
tions to set the threshold voltages for IN_:
x = TH
x = TH
the +2.5V to +13.2V range, x must equal 214 or less,
otherwise the threshold exceeds the maximum operat-
ing voltage of IN1.
IN2
IN2 offers thresholds from +2.5V to +5.5V in 50mV
increments, or +1.25V to +3.05V in 25mV increments.
V ? 0.5 V
V ? 1V
0 . 02 V
0 . 01 V
for + 1 V to + 5 . 5 V range
for + 0 . 5 V to + 3 . 05 V range
Use the following equations to set the threshold volt-
ages for IN2:
where V TH is the desired threshold voltage and x is the
decimal code for the desired threshold (Table 4). For
x = TH
V ? 2.5 V
0 . 05 V
for + 2 . 5 V to + 5 . 5 V range
the +1V to +5.5V range, x must equal 225 or less, oth-
erwise the threshold exceeds the maximum operating
voltage of IN3–IN6.
______________________________________________________________________________________
13
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MAX6874ETJ+ 功能描述:监控电路 EEPROM-Prog Hex Power-Sup Sequencer 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
MAX6874ETJ+T 功能描述:监控电路 EEPROM-Prog Hex Power-Sup Sequencer 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
MAX6874ETJ-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
MAX6874TCC+ 制造商:Maxim Integrated Products 功能描述:
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