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参数资料
| 型号： | MAX6876ETX+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | EEPROM-Programmable, Quad, Power-Supply Tracker/Sequencer Circuit |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC36 |
| 封装： | 6 X 6 MM, 0.80 MM HEIGHT, MO-220WJJD-1, TQFN-36 |
| 文件页数： | 2/39页 |
| 文件大小： | 425K |
| 代理商： | MAX6876ETX+ |
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MAX6876
EEPROM-Programmable, Quad,
Power-Supply Tracker/Sequencer Circuit
10
______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1VCC
Optional Supply Voltage Input. Connect VCC to an alternate (i.e., always-on) supply if desired. VCC
supports operation/communication when the monitored supplies are not powered or are below the
minimum required operating voltage. In a master/slave application, connect all VCC pins to a common
supply line.
2
GND
Ground
3
ABP
Internal Analog Bypass. Bypass ABP with a 1F capacitor to GND. ABP maintains the device supply
voltage during rapid power-down conditions.
4
TRKEN
Tracking Enable Input. TRKEN must be higher than 1.285V to enable voltage tracking power-up
operation. When TRKEN falls below 1.25V (3% hysteresis), OUT_ tracks down. Connect TRKEN to an
external resistor-divider network to set the desired monitor threshold. Connect TRKEN to ABP if not
used.
5
SYNCH
Selectable Tracking Synchronization Output/Input. SYNCH allows multiple MAX6876 devices to
control tracking of multiple power supplies (up to 16 voltages on the same I2C bus). One device is
programmed as SYNCH master and all other devices are programmed as slaves. SYNCH on the
master outputs the common ramp voltage to which all OUT_ voltages are tracked (with active control
loops). SYNCH of the slave devices is input for the ramp control voltage (no internal ramp is
generated in the slaves) (see the SYNCH section). Connect SYNCH to other SYNCH pins only.
6
HOLD
Active-Low, Open-Drain Synchronization Hold Output/Input. HOLD communicates synchronization
status between master/slave devices in multiple MAX6876 applications. The HOLD output remains
asserted while selected tracking IN_ inputs are below their selected thresholds (the slave device can
delay tracking start until its inputs are at their required stable voltage levels) or held low by the master
when it is counting the autoretry time after a detected fault condition (see the Synchronization Hold
Output (HOLD) section). Slave device SYNCH are inputs for the ramp control voltage.
Typical Operating Characteristics (continued)
(VCC = 3.3V, ENABLE = MARGIN = MR = ABP = TRKEN, TA = +25°C, unless otherwise noted.)
20ms/div
OUT_
0V
MAX6876 toc10
1V/div
OUT4
OUT3
OUT2
OUT1
MIXED MODE
20ms/div
OUT_
0V
MAX6876 toc11
1V/div
OUT4
OUT3
OUT2
OUT1
MIXED MODE WITH FAST SHUTDOWN
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
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