參數(shù)資料
型號： MAX16035
廠商： Maxim Integrated Products, Inc.
英文描述： Low-Power Battery Backup Circuits in Small レDFN Packages
中文描述： 低功耗電池備份電路，采用微型µDFN封裝
文件頁數(shù)： 15/21頁
文件大?。?/td> 228K
代理商： MAX16035
Monitoring a Negative Voltage
Connect the circuit as shown in Figure 9 to use the
power-fail comparator to monitor a negative supply rail.
PFO
stays low when V- is good. When V- rises to cause
PFI to be above +1.235V,
PFO
goes high. Ensure V
CC
comes up before the negative supply.
Negative-Going V
CC
Transients
The MAX16033–MAX16040 are relatively immune to
short-duration, negative-going V
CC
transients.
Resetting the μP when V
CC
experiences only small
glitches is not usually desired.
The Typical Operating Characteristics section contains
a Maximum Transient Duration vs. Reset Threshold
Overdrive graph. The graph shows the maximum pulse
width of a negative-going V
CC
transient that would not
trigger a reset pulse. As the amplitude of the transient
increases (i.e., goes further below the reset threshold
voltage), the maximum allowable pulse width decreas-
es. Typically, a V
CC
transient that goes 100mV below
the reset threshold and lasts for 25μs does not trigger a
reset pulse.
A 0.1μF bypass capacitor mounted close to V
CC
pro-
vides additional transient immunity.
M
Low-Power Battery Backup
Circuits in Small μDFN Packages
______________________________________________________________________________________
15
GND
PFI
R2
R1
V-
MAX16033–
MAX16040
3.0V OR 3.3V
V
CC
PFO
PFO
0V
V
L
V-
V
TRIP
Figure 9. Monitoring a Negative Voltage
V
R
V
V
R
R
V
R
V
R
V
R
R
V
R
V
V
V
mV
TRIP
PFT
PFH
CC
1
L
PFT
CC
1
PFT
PFH
+
+
+
1 235
12
=
(
)
=
(
)
=
=
2
1
1
1
2
2
1
1
1
2
相關(guān)PDF資料
PDF描述
MAX16036 Low-Power Battery Backup Circuits in Small レDFN Packages
MAX16038 Low-Power Battery Backup Circuits in Small レDFN Packages
MAX16039 Low-Power Battery Backup Circuits in Small レDFN Packages
MAX16040 Low-Power Battery Backup Circuits in Small レDFN Packages
MAX16047 12-Channel/8-Channel EEPROM-Programmable System Managers with Nonvolatile Fault Registers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX16035LLB23+ 制造商:Maxim Integrated Products 功能描述:VOLT SUPERVISOR MONITOR 2.32V 10PIN UDFN - Rail/Tube
MAX16035LLB23+T 功能描述:監(jiān)控電路 Battery Backup 2.5V-Ep 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
MAX16035LLB26+ 制造商:Maxim Integrated Products 功能描述:VOLT SUPERVISOR MONITOR 2.63V 10PIN UDFN - Rail/Tube
MAX16035LLB26+T 功能描述:監(jiān)控電路 Battery Backup 3.3V-Ep 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
MAX16035LLB29+ 制造商:Maxim Integrated Products 功能描述:VOLT SUPERVISOR MONITOR 2.93V 10PIN UDFN - Rail/Tube
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