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參數(shù)資料
| 型號(hào)： | MAX6876ETX+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | EEPROM-Programmable, Quad, Power-Supply Tracker/Sequencer Circuit |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC36 |
| 封裝： | 6 X 6 MM, 0.80 MM HEIGHT, MO-220WJJD-1, TQFN-36 |
| 文件頁數(shù)： | 10/39頁 |
| 文件大?。?/td> | 425K |
| 代理商： | MAX6876ETX+T |
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MAX6876
EEPROM-Programmable, Quad,
Power-Supply Tracker/Sequencer Circuit
18
______________________________________________________________________________________
Inputs
IN1–IN4
The IN1–IN4 voltage detectors monitor voltages from
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 +1V to +5.5V range.
for +0.5V to +3.05V range.
where VTH is the desired threshold voltage and x is the
decimal code for the desired threshold (Table 6). For
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-
voltage failure on an IN_ input immediately shuts down
all the OUT_ outputs and generates a FAULT in the
master/slave condition.
x
VV
V
TH
=
-.5
0
001
.
x
VV
V
TH
=
-1
002
.
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
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
13h
33h
[7:3]
Bit 3—If 1, OUT4 charges with internal pulldown
If 0, no pulldown is allowed
“00” fault power-up timer value = 25ms
“01” fault power-up timer value = 50ms
“10” fault power-up timer value = 100ms
[7:6]
“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
0Ah
2Ah
[5:4]
“11” fault power-down timer value = 200ms
Table 3. Program Power-Down and Power-Up
REGISTER
ADDRESS
EEPROM MEMORY
ADDRESS
BIT RANGE
DESCRIPTION
“00” track/sequence slew rate (rise or fall) = 800V/s
“01” track/sequence slew rate (rise or fall) = 400V/s
“10” track/sequence slew rate (rise or fall) = 200V/s
12h
32h
Bit [7:6]
“11” track/sequence slew rate (rise or fall) = 100V/s
Table 4. Setting the Slew Rate
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6876EVCMOD2 | 功能描述:監(jiān)控電路 Programmers, Development Systems RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6876EVKIT | 功能描述:監(jiān)控電路 Programmers, Development Systems RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6877ETG | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6877ETG+ | 功能描述:監(jiān)控電路 Triple Power-Sup Sequencer RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6877ETG+T | 功能描述:監(jiān)控電路 Triple Power-Sup Sequencer RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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