參數(shù)資料
型號(hào)： MAX6755UK_D_-T
廠商： Maxim Integrated Products, Inc.
英文描述： CLAMP
中文描述： 低功耗，單/雙電壓窗檢測(cè)器
文件頁(yè)數(shù)： 6/23頁(yè)
文件大?。?/td> 307K
代理商： MAX6755UK_D_-T
MAX6754–MAX6764
Low-Power, Single/Dual-Voltage Window
Detectors
14
______________________________________________________________________________________
Choose R2 to have a resistance of up to 500k
.
Calculate R1 by:
R1 = ((V+ - 0.4255V) x R2) / 0.4255V
The MAX6763/MAX6764 provide inputs to a window
detector allowing the programming of the threshold
voltage to within VCC (see Figure 6).
Choose R1, R2, and R3 such that:
(V+ / (R1 + R2 + R3))
≥ 1A
SET
The MAX6754–MAX6762 allow the setting of the window
voltage range of the voltage detector. Connect SET to
GND to set a
±5% window. Connect SET to VCC for a
±10% window. Bias SET to VCC/2 for a ±15% window.
Manual Reset (
MR)
The MAX6754–MAX6762 include an active-low manual
reset input. Drive MR low to assert a reset output
(MAX6754/MAX6755/MAX6756) or an undervoltage
output (MAX6757/MAX6758/MAX6759). The output
remains asserted for the specified propagation delay
time (see Figure 7) after MR goes high. MR is internally
pulled to VCC with a 26k
resistor.
Overvoltage Latch Control Input
(OVLATCH)
The MAX6760/MAX6761/MAX6762 provide an overvolt-
age latch control input (OVLATCH). Drive OVLATCH
high to latch the overvoltage output for any VCC or
VCC2 overvoltage condition. Drive OVLATCH low to
clear the latch after overvoltage conditions have been
removed. The latch is transparent when OVLATCH is
connected to GND. OVLATCH is a high impedance
input. Use external pullup or pulldown.
Reset, Undervoltage, and Overvoltage
Outputs (RESET,
RESET, UV, UV, OV)
RESET, RESET, UV, UV, and OV outputs assert when
the monitored supply is below the selected UVTH
threshold or above the selected OVTH threshold. The
reset output deasserts after the specified timeout peri-
od when the monitored supply rises above the UVTH
threshold or drops below the OVTH threshold. The
push-pull versions are referenced to VCC.
The MAX6760/MAX6761/MAX6762 monitor both VCC
and VCC2. An under/overvoltage condition on either
voltage supply asserts the corresponding output.
RESET and UV are guaranteed to be in the correct
logic state when VCC or VCC2 > 1V.
INTERNAL
REFERENCE
0.5V
GND
OV MONITOR
UV MONITOR
OVTH
UVTH
UV
OV
UVIN
VCC
OVIN
MAX6763/MAX6764
V+
R1
R2
R3
OVERVOLTAGE ASSERTS WHEN
UNDERVOLTAGE ASSERTS WHEN
V+ x R3
R1 + R2 + R3
> 0.5V
< 0.5V
V+ x (R2 + R3)
R1 + R2 + R3
Figure 6. Setting the Under/Overvoltage Window
MR
RESET, UV
tD-MR
tMR_P
Figure 7a. Manual Reset/Reset Timing Diagram
tD-UV
tRP
VCC
RESET, UV
(RESET IS THE COMPLEMENT OF RESET)
Figure 7b. VCC/RESET, UV Timing Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6755UKLD0 制造商:Maxim Integrated Products 功能描述:LOW-POWER SINGLE/DUAL-VOLTAGE WIND - Cut Tape Product
MAX6755UKLD0+ 制造商:Maxim Integrated Products 功能描述:VOLT SUPERVISOR DETECT 5V 5PIN SOT-23 - Cut Tape Product
MAX6755UKLD0+T 功能描述:監(jiān)控電路 Single Low Power Window Detector RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)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
MAX6755UKLD0-T 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)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
MAX6755UKLD3 制造商:Maxim Integrated Products 功能描述:LOW-POWER SINGLE/DUAL-VOLTAGE WIND - Cut Tape Product
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