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參數(shù)資料
| 型號： | MAX6755UKZD3+ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Low-Power, Single/Dual-Voltage Window Detectors |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | MO-178AA, SOT-23, 5 PIN |
| 文件頁數(shù)： | 5/22頁 |
| 文件大?。?/td> | 705K |
| 代理商： | MAX6755UKZD3+ |
MAX6754–MAX6764
Low-Power, Single/Dual-Voltage Window
Detectors
______________________________________________________________________________________
13
Detailed Description
The MAX6754–MAX6764 are low-power window volt-
age detectors capable of monitoring undervoltage and
overvoltage conditions on system power supplies.
Whenever a monitored voltage falls below its undervolt-
age threshold or exceeds its overvoltage threshold,
these devices assert their outputs to notify the system
(see the Functional Diagrams).
The MAX6754/MAX6755/MAX6756 are single-voltage
window detectors with internally fixed nominal voltage,
externally adjustable set window, single reset
under/overvoltage output, and a manual reset input.
The MAX6757/MAX6758/MAX6759 are single-voltage
window detectors with internally set nominal voltage,
externally adjustable set window, separate under/over-
voltage outputs, and manual reset input.
The MAX6760/MAX6761/MAX6762 are dual-voltage
window detectors with internally/externally set nominal
voltages, externally adjustable set window, separate
under/overvoltage outputs, manual reset input, and
overvoltage latch functions.
The MAX6763/MAX6764 are single adjustable window
detectors with separate under/overvoltage outputs.
The MAX6754–MAX6762 offer factory-fixed voltage
thresholds for monitoring system voltages from 0.9V to
5V. The MAX6754–MAX6762 include a SET function to
select the window voltage to ±5%, ±10%, or ±15%. The
MAX6763/MAX6764 allow for externally adjustable
upper and lower voltage thresholds to be set externally
(down to 0.5V). The MAX6754–MAX6762 are available
with two timing options (20s propagation delay or
100ms minimum reset timeout).
Supply Voltages
VCC is the power-supply input and the monitored voltage
of the MAX6754–MAX6762. These devices feature a fac-
tory-trimmed VCC and VCC2 divider that sets the nominal
input range (see Tables 1 and 2). VCC for the MAX6763/
MAX6764 is the power supply of the device and not the
monitored voltage. For noisy systems, bypass VCC and
VCC2 each with a 0.1F capacitor to GND.
Setting the Adjustable Nominal Voltage
Threshold
The MAX6760/MAX6761/MAX6762 (versions with suffix-
es LA, TA, RA, ZA, WA, and AA) offer adjustable nominal
voltage threshold to monitor VCC2. Use an external volt-
age-divider to set the voltage at VCC2 to 0.4255V.
Configure SET to select a monitor window of ±5%,
±10%, or ±15% (see Figure 5). The MAX6760/MAX6761/
MAX6762 suffix AA monitor only VCC2 and do not moni-
tor VCC.
INTERNAL
REFERENCE
0.5V
GND
OV MONITOR
UV MONITOR
OVTH
UVTH
UV
OV
UVIN
VCC
OVIN
MAX6763/MAX6764
Figure 4. MAX6763/MAX6764 Functional Diagram
Functional Diagrams (continued)
OV
(UV)
UV
0.4255V +5%
+10%
+15%
VCC2
0.4255V -5%
-10%
-15%
MAX6760/MAX6761/MAX6762
(SUFFIXES LA, TA, RA, ZA, WA, AA)
V+
R1
R2
( ) MAX6761 ONLY.
Figure 5. Setting the Threshold Voltage of VCC2
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| MAX6755UKZD3+T | Low-Power, Single/Dual-Voltage Window Detectors |
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| MAX6756UKLD0+T | Low-Power, Single/Dual-Voltage Window Detectors |
| MAX6756UKLD3+ | Low-Power, Single/Dual-Voltage Window Detectors |
| MAX6756UKLD3+T | Low-Power, Single/Dual-Voltage Window Detectors |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6755UKZD3+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX6755UKZD3+T | 功能描述:監(jiān)控電路 Single Low Power Window Detector 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 |
| MAX6755UKZD3-T | 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 |
| MAX6756UKLD0 | 制造商:Maxim Integrated Products 功能描述:LOW-POWER SINGLE/DUAL-VOLTAGE WIND - Cut Tape Product |
| MAX6756UKLD0+ | 制造商:Maxim Integrated Products 功能描述:VOLT SUPERVISOR DETECT 5V 5PIN SOT-23 - Rail/Tube |
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