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參數資料
| 型號： | MAX6461XR31-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Multi-Purpose Precision Multiphase PWM Controller With Optional Active Voltage Positioning; Temperature Range: -40°C to 85°C; Package: 16-SOIC T&R |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | SC-70, 3 PIN |
| 文件頁數： | 1/10頁 |
| 文件大小： | 153K |
| 代理商： | MAX6461XR31-T |
General Description
The MAX6461–MAX6466 family of ultra-low-power voltage
detectors and μP reset supervisory circuits monitors bat-
tery, power-supply, and system voltages. Each circuit
includes a precision bandgap reference, a comparator,
internally trimmed resistor networks that set specified trip
thresholds, and an internal 5% threshold hysteresis circuit
(see the
Functional Diagram
). Output is asserted when
V
CC
falls below the internal V
TH-
and remains asserted
until V
CC
rises above V
TH
+ (V
TH
+ = V
TH
-
×
1.05). These
devices provide excellent circuit reliability and low cost
by eliminating external components and adjustments
when monitoring nominal system voltages from +1.6V to
+5.5V. The MAX6461/MAX6462/MAX6463 are voltage
detectors with a propagation delay of 17μs.
The MAX6464/MAX6465/MAX6466 are μP supervisory
circuits with a minimum reset timeout period of 150ms. All
devices are available with thresholds from +1.6V to +5.5V
in 100mV increments.
The family is available with three output stage options:
push-pull with active-low output, push-pull with active-
high output, and open drain with active-low output. These
devices are available in SC70 and SOT23 packages
specified over the -40°C to +125°C temperature range.
Applications
Precision Battery Monitoring
Load Switching/Power Sequencing
Power-Supply Monitoring in Digital/Analog
Systems
Noise-Immune μP Reset Circuits
Portable/Battery-Powered Equipment
Cellular Phones/Cordless Phones
PDAs
Portable Medical Devices
Features
o
Ultra-Low 1.0μA Supply Current
o
Preset Thresholds from +1.6V to +5.5V in 100mV
Increments
o
Internal 5% Threshold Hysteresis
o
±2.5% Threshold Accuracy Over Temperature
o
Internal Timeout Period Option (150ms min)
o
Immune to Short Voltage Transients
o
No External Components
o
Available in Three Output Options: Push-Pull
(Active Low/Active High) and Open Drain (Active
Low)
o
Fully Specified from -40°C to +125°C
o
Small SC70 and SOT23 Packages
M
Ultra-Low-Power Voltage Detectors and
μP Supervisory Circuits
________________________________________________________________
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
TOP VIEW
(OUT)/OUT
1
3
V
CC
GND
MAX6461–
MAX6466
SC70-3
2
GND
(OUT)/OUT
GND
1
5
V
CC
N.C.
MAX6461–
MAX6466
SOT23-5
2
3
4
GND
1
3
V
CC
MAX6461–
MAX6466
SOT23-3
2
(OUT)/OUT
( ) ARE FOR THE MAX6462/MAX6465 ONLY
Pin Configurations
Ordering Information
19-2533; Rev 1; 1/03
PART
TEMP RANGE
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
PIN-PACKAGE
3 SC70-3
3 SOT23-3
5 SOT23-5
3 SC70-3
3 SOT23-3
5 SOT23-5
MAX6461
XR_ _-T
MAX6461UR_ _-T
MAX6461UK_ _-T
MAX6462
XR_ _-T
MAX6462UR_ _-T
MAX6462UK_ _-T
The MAX6461–MAX6466 are available in factory-set thresholds
from 1.6V to 5.5V in approximately 100mV increments. Choose
the desired voltage threshold suffix from Table 1 and insert it in
the blank spaces in the part number. There are 30 standard ver-
sions with a required order increment of 2500 pieces. Sample
stock generally is held on the standard versions only (Table 2).
Nonstandard versions require a 10k-piece order increment.
Contact factory for availability. All devices available in tape-and-
reel only.
Ordering Information continued at end of data sheet.
Selector Guide appears at end of data sheet.
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| MAX6461XR34-T | Multi-Purpose Precision Multiphase PWM Controller With Optional Active Voltage Positioning; Temperature Range: -40°C to 85°C; Package: 20-QFN T&R |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX6461XR32 | 制造商:Maxim Integrated Products 功能描述:ULTRA-LOW-POWER VOLTAGE DETECTORS A - Rail/Tube |
| MAX6461XR32+ | 制造商:Maxim Integrated Products 功能描述:VOLT SUPERVISOR DETECT 3.2V 3PIN SC-70 - Rail/Tube |
| MAX6461XR32+T | 功能描述:監(jiān)控電路 Single uPower Voltage Monitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數: 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: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 |
| MAX6461XR32-T | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數: 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: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 |
| MAX6461XR33 | 制造商:Maxim Integrated Products 功能描述:ULTRA-LOW-POWER VOLTAGE DETECTORS A - Rail/Tube |
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