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參數資料
| 型號： | MAX6367HKA44-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | SOT23, Low-Power レP Supervisory Circuits with Battery Backup and Chip-Enable Gating |
| 中文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | MINIATURE, SOT-23, 8 PIN |
| 文件頁數： | 1/15頁 |
| 文件大小： | 221K |
| 代理商： | MAX6367HKA44-T |
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).
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
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
Selector
Guide
). The MAX6365–MAX6368 are available in minia-
ture 8-pin SOT23 packages.
Applications
Portable/Battery-
Powered Equipment
Set-Top Boxes
POS Equipment
Critical μP/μC Power
Monitoring
Fax Machines
Industrial Control
Computers/Controllers
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 10μA 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
M
SOT23, Low-Power μP Supervisory Circuits
with Battery Backup and Chip-Enable Gating
________________________________________________________________
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
OUT
V
CC
MR
1
2
8
7
CE OUT
BATT
CE IN
GND
RESET, RESET
SOT23
TOP VIEW
3
4
6
5
MAX6365
Pin Configurations
19-1658; Rev 1; 6/01
Ordering Information
*These parts offer a choice of reset threshold voltages. From the
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
increments. See Device Marking Codes for a complete parts list,
including SOT top marks and standard threshold versions. See
Selector Guide for a listing of device features.
Pin Configurations continued at end of data sheet.
Typical Operating Circuit appears at end of data sheet.
PART*
TEMP. RANGE
PIN-
PACKAGE
M A X6 3 6 5
LK A_ _-T
MAX6365PKA_ _-T
MAX6365HKA_ _-T
M A X6 3 6 6
LK A_ _-T
M A X 6 36 6P K A_ _-T
M A X 6 36 6H K A_ _-T
M A X6 3 6 7
LK A_ _-T
M A X 6 36 7P K A_ _-T
M A X 6 36 7H K A_ _-T
M A X6 3 6 8
LK A_ _-T
M A X 6 36 8P K A_ _-T
M A X 6 36 8H K A_ _-T
-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
-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
8 SOT23-8
8 SOT23-8
8 SOT23-8
8 SOT23-8
8 SOT23-8
8 SOT23-8
8 SOT23-8
8 SOT23-8
8 SOT23-8
8 SOT23-8
8 SOT23-8
8 SOT23-8
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX6367HKA46 | 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product |
| MAX6367HKA46+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 4.63V 15UA 8PIN SOT-23 - Cut Tape Product |
| MAX6367HKA46+T | 功能描述:監控電路 uPower Supervisor RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 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 |
| MAX6367HKA46-T | 功能描述:監控電路 RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 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 |
| MAX6367LKA23 | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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