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參數(shù)資料
| 型號： | LTC692IN8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Aluminum Electrolytic Capacitor; Capacitor Type:General Purpose; Voltage Rating:6.3VDC; Capacitor Dielectric Material:Aluminum Electrolytic; Operating Temperature Range:-55 C to +105 C; Capacitance:1000uF RoHS Compliant: Yes |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-8 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 308K |
| 代理商： | LTC692IN8 |
1
LTC692/LTC693
Microprocessor
Supervisory Circuits
I
UL Recognized
I
GuaranteedReset Assertion at V
CC
= 1V
I
1.5mA Maximum Supply Current
I
Fast (35ns Max.) On-Board Gating of RAM Chip
Enable Signals
I
SO8 and SO16 Packaging
I
4.40V Precision Voltage Monitor
I
Power OK/Reset Time Delay:
200ms or Adjustable
I
Minimum External Component Count
I
1
μ
A Maximum Standby Current
I
Voltage Monitor for Power Fail or
Low Battery Warning
I
Thermal Limiting
I
Performance Specified Over Temperature
I
Superior Upgrade for MAX690 Family
The LTC692/LTC693 provide complete power supply moni-
toring and battery control functions for microprocessor
reset, battery backup, CMOS RAM write protection, power
failure warning and watchdog timing. A precise internal
voltage reference and comparator circuit monitor the
power supply line. When an out-of-tolerance condition
occurs, the reset outputs are forced to active states and the
Chip Enable output unconditionally write-protects exter-
nal memory. In addition, the RESET output is guaranteed
to remain logic low even with V
CC
as low as 1V.
The LTC692/LTC693 power the active CMOS RAMs with a
charge pumped NMOS power switch to achieve low drop-
out and low supply current. When primary power is lost,
auxiliary power, connected to the battery input pin, powers
the RAMs in standby through an efficient PMOS switch.
For an early warning of impending power failure, the
LTC692/LTC963 provide an internal comparator with a
user-defined threshold. An internal watchdog timer is
also available, which forces the reset pins to active states
when the watchdog input is not toggled prior to a preset
time-out period.
D
U
ESCRIPTIO
S
FEATURE
U
A
O
PPLICATI
TYPICAL
RESET Output Voltage vs
Supply Voltage
+
+
ADJ
V
IN
V
OUT
10
μ
F
V
IN
≥
7.5V
5V
100
μ
F
0.1
μ
F
μ
P NMI
μ
P
POWER
POWER TO
CMOS RAM
I/O LINE
μ
P RESET
μ
P
SYSTEM
0.1μF
3V
51k
10k
LTC692/3 TA01
LT1086-5
MICROPROCESSOR RESET, BATTERY BACKUP, POWER FAILURE
WARNING AND WATCHDOG TIMING ARE ALL IN A SINGLE CHIP
FOR MICROPROCESSOR SYSTEMS.
LTC692
LTC693
V
BATT
PFI
WDI
RESET
PFO
V
OUT
V
CC
GND
0.1
μ
F
100
SUPPLY VOLTAGE (V)
0
R
3
4
5
4
2
1
0
1
2
3
5
T
= 25°C
EXTERNAL PULL-UP = 10μA
V
BATT
= 0V
LTC692/3 TA02
U
S
A
O
PPLICATI
I
Critical
μ
P Power Monitoring
I
Intelligent Instruments
I
Battery-Powered Computers and Controllers
I
Automotive Systems
相關PDF資料 |
PDF描述 |
|---|---|
| LTC693IN | Microprocessor Supervisory Circuits |
| LTC693IS | Microprocessor Supervisory Circuits |
| LTC692CN8 | Microprocessor Supervisory Circuits |
| LTC692CS8 | Microprocessor Supervisory Circuits |
| LTC692I | Microprocessor Supervisory Circuits |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC692IS8 | 功能描述:IC MPU SUPERVISORY CIRCUIT 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝:1 系列:- 類型:簡單復位/加電復位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復位:高有效 復位超時:- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應商設備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱:NCP301HSN18T1GOSCT |
| LTC692IS8#PBF | 功能描述:IC MPU SUPERVISORY CIRCUIT 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝:1 系列:- 類型:簡單復位/加電復位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復位:高有效 復位超時:- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應商設備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱:NCP301HSN18T1GOSCT |
| LTC692IS8#TR | 功能描述:IC SUPERVISORY CIRCUIT MPU 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝:1 系列:- 類型:簡單復位/加電復位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復位:高有效 復位超時:- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應商設備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱:NCP301HSN18T1GOSCT |
| LTC692IS8#TRPBF | 功能描述:IC MPU SUPERVISORY CIRCUIT 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝:1 系列:- 類型:簡單復位/加電復位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復位:高有效 復位超時:- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應商設備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱:NCP301HSN18T1GOSCT |
| LTC692IS8-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Microprocessor Supervisory Circuits |
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