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| 型号： | MAX6365LKA44+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR MPU LP SOT23-8 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 备用电池电路 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 低有效 |
| 复位超时： | 最小为 150 ms |
| 电压 - 阀值： | 4.38V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 |
| 供应商设备封装： | SOT-23-8 |
| 包装： | 带卷 (TR) |
19-1658; Rev 5; 10/11
SOT23, Low-Power μP Supervisory Circuits
with Battery Backup and Chip-Enable Gating
General Description
The MAX6365–MAX6368 supervisory circuits simplify
power-supply monitoring, battery-backup control func-
tions, and memory write protection in microprocessor
(μP) systems. The circuits significantly improve the size,
accuracy, and reliability of modern systems with an ultra-
small integrated solution.
These devices perform four basic system functions:
1) Provide a μP reset output during V CC supply power-
up, power-down, and brownout conditions.
2) Internally control V CC to backup-battery switching to
maintain data or low-power operation for CMOS
RAM, CMOS μPs, real-time clocks, and other digital
logic when the main supply fails.
3) Provide memory write protection through internal
chip-enable gating during supply or processor faults.
4) Include one of the following options: a manual reset
input (MAX6365), a watchdog timer function
(MAX6366), a battery-on output (MAX6367), or an
auxiliary user-adjustable reset input (MAX6368).
Features
o Low +1.2V Operating Supply Voltage (V CC or V BATT )
o Precision Monitoring of +5.0V, +3.3V, +3.0V, and
+2.5V Power-Supply Voltages
o On-Board Gating of Chip-Enable Signals, 1.5ns
Propagation Delay
o Debounced Manual Reset Input (MAX6365)
o Watchdog Timer, 1.6s Timeout (MAX6366)
o Battery-On Output Indicator (MAX6367)
o Auxiliary User-Adjustable RESET IN (MAX6368)
o Low 10 μ A Quiescent Supply Current
o Three Available Output Structures
Push-Pull RESET
Open-Drain RESET
Open-Drain RESET
o RESET/ RESET Valid Down to 1.2V Guaranteed
(V CC or V BATT )
o Power-Supply Transient Immunity
o 150ms min Reset Timeout Period
o Miniature 8-Pin SOT23 Package
Ordering Information
The MAX6365–MAX6368 operate from V CC supply volt-
ages as low as 1.2V. The factory preset reset threshold
voltages range from 2.32V to 4.63V (see the Ordering
Information). In addition, each part is offered in three
reset output versions: push-pull active low, open-drain
active low, or open-drain active high (see the Selector
Guide). The MAX6365–MAX6368 are available in minia-
ture 8-pin SOT23 packages.
Applications
PART*
MA X6 36 5 LKA_ _-T
MAX6365PKA_ _-T
MAX6365HKA_ _-T
MA X6 36 6 LKA_ _-T
MAX6366PKA_ _-T
MAX6366HKA_ _-T
MA X6 36 7 LKA_ _-T
TEMP RANGE
-40°C to +85°C
-40°C to +85 ° C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
8 SOT23
8 SOT23
8 SOT23
8 SOT23
8 SOT23
8 SOT23
8 SOT23
Critical μP/μC Power
Monitoring
Fax Machines
Industrial Control
Portable/Battery-
Powered Equipment
Set-Top Boxes
POS Equipment
MAX6367PKA_ _-T
MAX6367PKA_ _/V-T
MAX6367HKA_ _-T
MA X6 36 8 LKA_ _-T
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
8 SOT23
8 SOT23
8 SOT23
8 SOT23
Computers/Controllers
Pin Configurations
MAX6368PKA_ _-T
MAX6368HKA_ _-T
-40°C to +85°C
-40°C to +85°C
8 SOT23
8 SOT23
*These parts offer a choice of reset threshold voltages. From the
TOP VIEW
Reset Threshold Ranges table, insert the desired threshold volt-
age code in the blank to complete the part number. SOT parts
come in tape and reel only and must be ordered in 2500-piece
RESET, RESET
1
8
CE OUT
increments. See Device Marking Codes for a complete parts list,
CE IN
GND
2
3
MAX6365
7
6
BATT
OUT
including SOT top marks and standard threshold versions. See
Selector Guide for a listing of device features.
Devices are available in both leaded and lead(Pb)-free packaging.
Specify lead-free by replacing “-T” with “+T” when ordering.
MR 4
5
V CC
-Denotes a package containing lead(Pb).
T = Tape and reel.
SOT23
Pin Configurations continued at end of data sheet.
/V Denotes an automotive qualified part.
Typical Operating Circuit appears at end of data sheet.
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6365LKA46 | 制造商:Maxim Integrated Products 功能描述:LOW-POWER UP SUPERVISORY ICS WITH B - Rail/Tube |
| MAX6365LKA46+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 4.63V 15UA 8PIN SOT-23 - Rail/Tube |
| MAX6365LKA46+T | 功能描述:监控电路 uPower Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6365LKA46-T | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6365PKA23 | 制造商:Maxim Integrated Products 功能描述:LOW-POWER UP SUPERVISORY ICS WITH B - Rail/Tube |
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