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參數資料
| 型號： | MAX6887RETE-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Hex/Quad, Power-Supply Supervisory Circuits |
| 中文描述： | 6-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC16 |
| 封裝： | 5 X 5 MM, 0.80 MM HEIGHT, MO-220WHHB, TQFN-16 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 132K |
| 代理商： | MAX6887RETE-T |
General Description
The MAX6887/MAX6888 multivoltage supply supervi-
sors provide several voltage-detector inputs, one watch-
dog input, and three outputs. Each voltage-detector
input offers a factory-set undervoltage and overvoltage
threshold. Manual reset and margin disable inputs offer
additional flexibility.
The MAX6887 offers six voltage-detector inputs, while
the MAX6888 offers four inputs. Output RESET asserts
when any input voltage drops below its respective
undervoltage threshold or manual reset MR is asserted.
Output OV asserts when any input voltage exceeds its
respective overvoltage threshold. Monitor standard
supply voltages listed in the
Selector Guide.
The MAX6887/MAX6888 offer a watchdog timer with an
initial and normal timeout periods of 102.4s and 1.6s,
respectively. Watchdog output WDO asserts when the
watchdog timer expires. Connect WDO to manual reset
input MR to generate resets when the watchdog timer
expires. RESET, OV, and WDO are active-low, open-
drain outputs.
The MAX6887/MAX6888 are available in a 5mm x 5mm
x 0.8mm, 16-pin thin QFN package and operate over
the extended -40°C to +85°C temperature range.
Applications
Multivoltage Systems
Telecom
Networking
Servers/Workstations/Storage Systems
Features
o Hex/Quad Voltage Detectors
o Undervoltage and Overvoltage Thresholds
o 1% Threshold Accuracy
o Margining Disable and Manual Reset Input
o Watchdog Timer
o Open-Drain RESET, OV, and WDO Outputs
o 180ms (min) Reset Timeout Period
o Few External Components
o Small 5mm x 5mm, 16-Pin Thin QFN Packages
MAX6887/MAX6888
Hex/Quad, Power-Supply Supervisory Circuits
________________________________________________________________
Maxim Integrated Products
1
PART
TEMP RANGE
PIN-PACKAGE
MAX6887_ETE+
-40°C to +85°C
16 Thin QFN-EP*
MAX6888_ETE+
-40°C to +85°C
16 Thin QFN-EP*
Ordering Information
Selector Guide
19-0291; Rev 2; 2/10
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Pin Configurations and Typical Operating Circuit appear at
end of data sheet.
Note: Insert the desired letter from the Selector Guide into the
blank to complete the part number.
+Denotes a lead(Pb)-free/RoHS-compliant package.
*
EP = Exposed pad.
NOMINAL INPUT VOLTAGE (V)*
PART
IN1
IN2
IN3
IN4
IN5
IN6
TOL
(%)
MAX6887AETE
5.0
3.3
2.5
1.8
Adj
5
MAX6887BETE
5.0
3.3
2.5
Adj
5
MAX6887CETE
5.0
3.3
1.8
Adj
5
MAX6887DETE
3.3
2.5
1.8
1.5
Adj
5
MAX6887EETE
3.3
2.5
1.8
Adj
5
MAX6887FETE
3.3
2.5
1.5
Adj
5
MAX6887GETE 3.3
2.5
Adj
5
MAX6887HETE
3.3
1.8
Adj
5
MAX6887QETE
Adj
5
NOMINAL INPUT VOLTAGE (V)*
PART
IN1
IN2
IN3
IN4
IN5
IN6
TOL
(%)
MAX6887IETE
5.0
3.3
2.5
1.8
Adj
10
MAX6887JETE
5.0
3.3
2.5
Adj
10
MAX6887KETE
5.0
3.3
1.8
Adj
10
MAX6887LETE
3.3
2.5
1.8
1.5
Adj
10
MAX6887METE 3.3
2.5
1.8
Adj
10
MAX6887NETE
3.3
2.5
1.5
Adj
10
MAX6887OETE 3.3
2.5
Adj
10
MAX6887PETE
3.3
1.8
Adj
10
MAX6887RETE
Adj
10
*
See thresholds options tables (Tables 1 and 2) for actual undervoltage and overvoltage thresholds.
Selector Guides continued at end of data sheet.
相關PDF資料 |
PDF描述 |
|---|---|
| MAX6888AETE | Hex/Quad, Power-Supply Supervisory Circuits |
| MAX6888AETE-T | Hex/Quad, Power-Supply Supervisory Circuits |
| MAX6888BETE | Hex/Quad, Power-Supply Supervisory Circuits |
| MAX6888BETE-T | Hex/Quad, Power-Supply Supervisory Circuits |
| MAX6888CETE | Hex/Quad, Power-Supply Supervisory Circuits |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX6888AETE | 功能描述:監控電路 RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6888AETE+ | 功能描述:監控電路 Quad Power-Supply Supervisor RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6888AETE+T | 功能描述:監控電路 Quad Power-Supply Supervisor RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6888AETE-T | 功能描述:監控電路 RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6888BETE | 功能描述:監控電路 RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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