参数资料
型号: MAX6876ETX+
厂商: Maxim Integrated Products
文件页数: 18/39页
文件大小: 0K
描述: IC TRACKER/SUPERVISOR MON 36TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
类型: 序列发生器
监视电压数目: 4
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: 可调节/可选择
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 36-WFQFN 裸露焊盘
供应商设备封装: 36-TQFN 裸露焊盘(6x6)
包装: 管件
EEPROM-Programmable, Quad,
Power-Supply Tracker/Sequencer Circuit
Table 3. Program Power-Down and Power-Up
REGISTER
ADDRESS
EEPROM MEMORY
ADDRESS
BIT RANGE
DESCRIPTION
Bit 7 — If 1, reverse order of track/sequence power-down
If 0, GATE_ fast pulldown
Bit 6 — If 1, OUT1 charges with internal pulldown
If 0, no pulldown is allowed
13h
33h
[7:3]
Bit 5 — If 1, OUT2 charges with internal pulldown
If 0, no pulldown is allowed
Bit 4 — If 1, OUT3 charges with internal pulldown
If 0, no pulldown is allowed
Bit 3 — If 1, OUT4 charges with internal pulldown
If 0, no pulldown is allowed
“ 00 ” fault power-up timer value = 25ms
[7:6]
“ 01 ” fault power-up timer value = 50ms
“ 10 ” fault power-up timer value = 100ms
0Ah
2Ah
[5:4]
“ 11 ” fault power-up timer value = 200ms
“ 00 ” fault power-down timer value = 25ms
“ 01 ” fault power-down timer value = 50ms
“ 10 ” fault power-down timer value = 100ms
“ 11 ” fault power-down timer value = 200ms
Table 4. Setting the Slew Rate
REGISTER
ADDRESS
EEPROM MEMORY
ADDRESS
BIT RANGE
DESCRIPTION
“ 00 ” track/sequence slew rate (rise or fall) = 800V/s
12h
32h
Bit [7:6]
“ 01 ” track/sequence slew rate (rise or fall) = 400V/s
“ 10 ” track/sequence slew rate (rise or fall) = 200V/s
“ 11 ” track/sequence slew rate (rise or fall) = 100V/s
Inputs
IN1–IN4
The IN1 – IN4 voltage detectors monitor voltages from
x =
V TH - 0.5V
0 . 01 V
1V to 5.5V in 20mV increments, or +0.5V to +3.05V in
10mV increments. Use the following equations to set
the threshold voltages for IN_:
for +0.5V to +3.05V range.
where V TH is the desired threshold voltage and x is the
decimal code for the desired threshold (Table 6). For
x =
V TH - 1V
0 . 02 V
the +1V to +5.5V range, x must equal 225 or less; oth-
erwise, the threshold exceeds the maximum operating
voltage of IN1 – IN4 (Table 6). An overvoltage or under-
for +1V to +5.5V range.
voltage failure on an IN_ input immediately shuts down
all the OUT_ outputs and generates a FAULT in the
master/slave condition.
18
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MAX6876ETX+ 功能描述:监控电路 EEPROM-Prog Quad 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
MAX6876ETX+T 功能描述:监控电路 EEPROM-Prog Quad 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
MAX6876ETX-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
MAX6876EVCMOD2 功能描述:监控电路 Programmers, Development Systems 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
MAX6876EVKIT 功能描述:监控电路 Programmers, Development Systems 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