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參數(shù)資料
| 型號(hào)： | MAX6460UT-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Test, Battery; Accuracy:2V; Display Technology:Digital; Features:Displays stored charge capacity, loaded & unloaded voltage; Size:6.3(H) x 3.14(W) x 1.6"(D); Voltage Rating:12V RoHS Compliant: NA |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | MO-178AB, SOT-23, 6 PIN |
| 文件頁(yè)數(shù)： | 1/15頁(yè) |
| 文件大小： | 270K |
| 代理商： | MAX6460UT-T |
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General Description
The MAX6457–MAX6460 high supply voltage, low-power
voltage monitors operate over a 4V to 28V supply voltage
range. Each device includes a precision bandgap refer-
ence, one or two low-offset voltage comparators, internal
threshold hysteresis, power good or reset timeout
options, and one or two high-voltage open-drain outputs.
Two external resistors (three for window detection) set the
trip threshold voltages.
The MAX6457 is a single voltage monitor for undervoltage
or overvoltage detection. A logic-based clear input either
latches the output for overvoltage applications or allows
the device to operate in transparent mode. The MAX6458
includes two comparators (one overvoltage and one
undervoltage) for window detection and a single output to
indicate if the monitored input is within an adjustable volt-
age window. The MAX6459 includes dual overvoltage/
undervoltage comparators with two independent com-
parator outputs. Use the MAX6459 as a window com-
parator with separate undervoltage and overvoltage
outputs or as two independent, single voltage monitors.
The MAX6460 includes a single comparator and an inter-
nal reference, and can also accept an external reference.
The inverting and noninverting inputs of the comparator
are externally accessible to support positive or negative
voltage monitors and to configure the device for active-
high or active-low output logic.
The MAX6457/MAX6458 offer fixed timing options as a
voltage detector with a 50μs typical delay or as a reset cir-
cuit with a 90ms minimum reset timeout delay. The moni-
tored input must be above the adjusted trip threshold (or
within the adjusted voltage window for the MAX6458) for
the selected timeout period before the output changes
state. The MAX6459/MAX6460 offer only a fixed 50μs
timeout period. Internal threshold hysteresis options (0.5%,
5%, and 8.3% for the MAX6457/MAX6458/MAX6459, and
0.5% for the MAX6460) reduce output chatter in noise-
sensitive applications. Each device is available in a small
SOT23 package and specified over the extended temper-
ature range of -40°C to +125°C.
Applications
Undervoltage Monitoring/Shutdown
Overvoltage Monitoring/Protection
Window Voltage Detection Circuitry
Multicell Battery-Stack Powered Equipment
Notebooks, eBooks
Automotive
Industrial
Telecom
Networking
Features
o
Wide Supply Voltage Range, 4V to 28V
o
Internal 2.25V ±2.5% Reference
o
Low Current (3.5μA, typ at 12V)
o
Open-Drain N-Channel Output (28V Compliant)
o
Internal Threshold Hysteresis Options
(0.5%, 5%, 8.3%)
o
Two IN-to-OUT Timeout Period Options
(50μs, 150ms)
o
Internal Undervoltage Lockout
o
Immune to Short Voltage Transients
o
Small SOT23 Packages
o
Few External Components
o
Fully Specified from -40°C to +125°C
M
High-Voltage, Low-Current Voltage Monitors in
SOT Packages
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
5-CELL
Li+
BATTERY
STACK
BATTERY
CHARGER
DC-DC
CONVERTER
LOAD
R1
R2
R
PULLUP
SHDN
+21V (NOMINAL)
V
CC
GND
CLEAR
IN+
OUT
MAX6457
IN
OUT
Typical Operating Circuit
19-2534; Rev 1; 6/03
Pin Configurations appear at end of data sheet.
PART
TEMP RANGE
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
PIN-PACKAGE
5 SOT23-5
5 SOT23-5
6 SOT23-6
6 SOT23-6
MAX6457
UKD_ _-T
MAX6458
UKD_ _-T
MAX6459
UT_-T
MAX6460
UT-T
Note:
The MAX6457/MAX6458/MAX6459 are available with
factory-trimmed internal hysteresis options. The MAX6457 and
MAX6458 offer two fixed timing options. Select the desired hys-
teresis and timing options using Table 1 or the Selector Guide at
the end of the data sheet, and enter the corresponding letters
and numbers in the part number by replacing “_ _” or “_”. These
devices are offered in tape-and-reel only and must be ordered in
2500-piece increments.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX6458 | High-Voltage, Low-Current Voltage Monitors in SOT Packages |
| MAX6459 | High-Voltage, Low-Current Voltage Monitors in SOT Packages |
| MAX6460 | High-Voltage, Low-Current Voltage Monitors in SOT Packages |
| MAX6457 | 6-Channel Serial Interface Low-Side Driver 20-PDIP -40 to 125 |
| MAX6509CAUK-T | Resistor-Programmable SOT Temperature Switches |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6461UK16 | 制造商:Maxim Integrated Products 功能描述:ULTRA-LOW-POWER VOLTAGE DETECTORS A - Cut Tape Product |
| MAX6461UK16+ | 制造商:Maxim Integrated Products 功能描述:VOLT SUPERVISOR DETECT 1.6V 5PIN SOT-23 - Cut Tape Product |
| MAX6461UK16+T | 功能描述:監(jiān)控電路 Single uPower Voltage Monitor 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 |
| MAX6461UK16-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 |
| MAX6461UK17 | 制造商:Maxim Integrated Products 功能描述:ULTRA-LOW-POWER VOLTAGE DETECTORS A - Rail/Tube |
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