參數(shù)資料
型號： MAX834EUK
廠商： Maxim Integrated Products, Inc.
英文描述： IC-SM VOLTAGE MONITOR
中文描述： 集成電路釤電壓監(jiān)視器
文件頁數(shù)： 7/8頁
文件大小： 77K
代理商： MAX834EUK
M
Mic ropower, Latc hing Voltage Monitors
in S OT 23-5
_______________________________________________________________________________________
7
Monitoring V oltages Other than V
CC
The typical operating circuit for the MAX834/MAX835
monitors V
CC
. Voltages other than V
CC
can easily be
monitored, as shown in Figure 4. Calculate V
TRIP
as
in the section Programming the Trip Voltage. When
monitoring voltages other than V
CC
, ensure that the
maximum value for V
MON
is not exceeded:
V
MON(MAX)
= (V
CC
- 1)(R1 + R2) / R2
Load-Disc onnec t S witc h
The circuit in Figure 5 is designed to prevent a lead-
acid battery or a secondary battery such as an NiCd,
from sustaining damage through deep discharge. As
the battery reaches critical undervoltage,
OUT
switches
low. Q1 and Q2 turn off, disconnecting the battery from
the load. The MAX835’s latched output prevents Q1 and
Q2 from turning on again as the battery voltage relaxes
to its open-circuit voltage when the load disconnects.
CLEAR can be connected to a pushbutton switch, an
RC network, or a logic gate to reset the latch when the
battery is recharged or replaced.
CLEAR
LATCH
OUT
V
CC
V
CC
V
CC
V
MON
R2
R1
R
L
*
0.1
μ
F
OUT
CLEAR
GND
IN
MAX834
MAX835
V
TRIP
= (1.204)
(UNITS ARE OHMS
AND VOLTS)
*MAX834 ONLY
R1 + R2
R2
Figure 4. Monitoring Voltages Other than V
CC
CLEAR
LATCH
R
LOAD
V
CC
R1
V
BATT
R2
OUT
CLEAR
GND
N
Q2
P
Q1
1M
IN
MAX835
V
CC
0.1
μ
F
Figure 5. Load-Disconnect Switch
TRANSISTOR COUNT: 74
___________________Chip Information
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參數(shù)描述
MAX834EUK+ 制造商:Maxim Integrated Products 功能描述:VOLT SUPERVISOR MONITOR 1.204V 5PIN SOT-23 - Rail/Tube 制造商:Maxim Integrated Products 功能描述:VOLT MONITOR SMD SOT-23-5 834 制造商:Maxim Integrated Products 功能描述:VOLT MONITOR, SMD, SOT-23-5, 834
MAX834EUK+T 功能描述:監(jiān)控電路 uPower Latching Voltage Monitor 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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):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
MAX834EUK-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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):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
MAX834EUK-T+ 制造商:Maxim Integrated Products 功能描述:uP voltage monitor IC,MAX834EUK-T 1.204V
MAX835EUK 制造商:Maxim Integrated Products 功能描述:MICROPOWER LATCHING VOLTAGE MONITO - Rail/Tube
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