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參數(shù)資料
| 型號： | MAX6459UTC+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | High-Voltage, Low-Current Voltage Monitors in SOT Packages |
| 中文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | ROHS COMPLIANT, MO-178AB, SOT-23, 6 PIN |
| 文件頁數(shù)： | 5/15頁 |
| 文件大?。?/td> | 168K |
| 代理商： | MAX6459UTC+T |
MAX6457–MAX6460
High-Voltage, Low-Current Voltage Monitors in
SOT Packages
______________________________________________________________________________________
13
GND
IN+
15
VCC
OUT
MAX6457
SOT23
TOP VIEW
2
34
GND
IN-
IN+
16
VCC
5
OUTB
OUTA
MAX6459
SOT23
2
34
GND
IN-
IN+
15
VCC
OUT
MAX6458
SOT23
2
34
GND
IN-
IN+
16
VCC
5
REF
OUT
MAX6460
SOT23
2
34
CLEAR
Pin Configurations
4) Calculate R1
Monitoring Voltages Other than VCC
The MAX6457–MAX6460 can monitor voltages other than
VCC (Figure 12). Calculate VTRIP as shown in the
Programming the Trip Voltage (VTRIP) section. The moni-
tored voltage (VMON) is independent of VCC. VIN+ must
be within the specified operating range: 0 to VCC.
Interfacing to Voltages Other than VCC
The open-drain outputs of the MAX6457–MAX6460
allow the output voltage to be selected independent of
VCC. For systems requiring an output voltage other than
VCC, connect the pullup resistor between OUT, OUTA, or
OUTB and any desired voltage up to 28V (see Figure 13).
Monitoring Negative Voltages
Figure 14 shows the typical application circuit for moni-
toring negative voltages (VNEG) using the MAX6460.
Select a value for R1 between 25k
and 1M. Use the
following equation to select R2:
where VREF = 2.25V and VNEG < 0. VIN+ must always
be within the specified operating range: 0 to VCC.
RR
V
NEG
REF
21
=×
-
RR
R
Mk
k
M
TOTAL
12
3
4 2
223 273
36 06
3 94067
.
=
=
-
R
VR
V
R
VM
V
k
TH
TOTAL
TRIPLOW
23
1 167
4 2
18 9
223 273
36 06
=
×
=
=
-
(.
) ( .
)
.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6460UT | 制造商:Maxim Integrated Products 功能描述:HIGH-VOLTAGE, LOW-CURRENT VOLTAGE MONITORS IN - Rail/Tube |
| MAX6460UT+ | 制造商:Maxim Integrated Products 功能描述:VOLT SUPERVISOR MONITOR 6PIN SOT-23 - Rail/Tube |
| MAX6460UT+T | 功能描述:監(jiān)控電路 Single Low C/V 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(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 |
| MAX6460UT-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 |
| MAX6461UK16 | 制造商:Maxim Integrated Products 功能描述:ULTRA-LOW-POWER VOLTAGE DETECTORS A - Cut Tape Product |
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