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參數(shù)資料
| 型號： | LTC692CS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Microprocessor Supervisory Circuits |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 308K |
| 代理商： | LTC692CS8 |
13
LTC692/LTC693
Figure 12. Oscillator Configurations
U
S
A
O
PPLICATI
U
U
The LTC693 provides an additional output (Watchdog
Output, WDO) which goes low if the watchdog timer is
allowed to time out and remains low until set high by the
next transition on the WDI pin. WDO is also set high when
V
CC
falls below the reset voltage threshold or V
BATT
.
The LTC693 has two additonal pins OSC SEL and OSC IN,
which allow reset active time and watchdog time-out
period to be adjusted per Table 2. Several configurations
are shown in Figure 12.
OSC IN can be driven by an external clock signal or an
external capacitor can be connected between OSC IN and
GND when OSC SEL is forced low. In these configurations,
the nominal reset active time and watchdog time-out
period are determined by the number of clocks or set by
the formula in Table 2. When OSC SEL is high or floating,
the internal oscillator is enabled and the reset active time
is fixed at 140ms minimum. OSC IN selects between the
1 second and 70ms minimum normal watchdog time-out
periods. In both cases, the time-out period immediately
after a reset is at least 1 second.
Figure 11. Watchdog Time-out Period and Reset Active Time
t1 = RESET ACTIVE TIME
t2 = NORMAL WATCHDOG TIME-OUT PERIOD
t3 = WATCHDOG TIME-OUT PERIOD IMMEDIATELY
AFTER A RESET
V
CC
= 5V
WDI
t2
t3
t1
t1
WDO
RESET
LTC692/3 F11
EXTERNAL CLOCK
INTERNAL OSCILLATOR
1.6 SECOND WATCHDOG
INTERNAL OSCILLATOR
100ms WATCHDOG
EXTERNAL OSCILLATOR
GND
GND
GND
GND
V
CC
V
CC
V
CC
OSC SEL
OSC SEL
OSC SEL
OSC SEL
OSC IN
OSC IN
OSC IN
OSC IN
3
3
3
3
4
4
4
4
8
8
8
8
7
7
7
7
V
CC
FLOATING
OR HIGH
FLOATING
OR HIGH
LTC693
FLOATING
OR HIGH
LTC693
LTC693
LTC693
LTC692/3 F12
5V
5V
5V
5V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC692I | Microprocessor Supervisory Circuits |
| LTC692IS8 | Microprocessor Supervisory Circuits |
| LTC693C | Microprocessor Supervisory Circuits |
| LTC693CN | Microprocessor Supervisory Circuits |
| LTC693CS | Microprocessor Supervisory Circuits |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC692CS8#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:- 其它有關(guān)文件:STM6717 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 類型:多壓監(jiān)控器 監(jiān)視電壓數(shù)目:2 輸出:開路漏極或開路集電極 復(fù)位:低有效 復(fù)位超時:最小為 600 ms 電壓 - 閥值:1.11V，3.075V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:Digi-Reel® 產(chǎn)品目錄頁面:1194 (CN2011-ZH PDF) 其它名稱:497-7019-6 |
| LTC692CS8#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(biāo)準(zhǔn)包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:高有效 復(fù)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(yīng)商設(shè)備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱:NCP301HSN18T1GOSCT |
| LTC692CS8#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(biāo)準(zhǔn)包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:高有效 復(fù)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(yīng)商設(shè)備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱:NCP301HSN18T1GOSCT |
| LTC692CS8-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Microprocessor Supervisory Circuits |
| LTC692CS8-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Microprocessor Supervisory Circuits |
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