參數(shù)資料
型號(hào)： LTC695CN-3.3#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDIP16
封裝： 0.300 INCH, LEAD FREE, PLASTIC, DIP-16
文件頁(yè)數(shù)： 6/20頁(yè)
文件大?。?/td> 189K
代理商： LTC695CN-3.3#TRPBF
LTC694-3.3/LTC695-3.3
14
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WDI pin remains either high or low, reset pulses will be
issued every 1.6 seconds typically. The watchdog time
can be deactivated by floating the WDI pin. The timer
is also disabled when VCC falls below the reset voltage
threshold or VBATT.
The LTC695-3.3 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
VCC falls below the reset voltage threshold or VBATT.
APPLICATIONS INFORMATION
The LTC695-3.3 has two additional pins, OSC SEL and OSC
IN, which allow reset active time and watchdog timeout
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 configura-
tions, the nominal reset active time and watchdog timeout
period are determined by the number of clocks or set by
the formula in Table 2. When OSC SEL is high or floating,
t1 = RESET ACTIVE TIME
t2 = NORMAL WATCHDOG TIMEOUT PERIOD
t3 = WATCHDOG TIMEOUT PERIOD IMMEDIATELY
AFTER A RESET
VCC = 3.3V
t2
t3
t1
WDO
WDI
RESET
694/5-3.3 F11
Figure 11. Watchdog Timeout Period and Reset Active Time
EXTERNAL CLOCK
INTERNAL OSCILLATOR
1.6 SECOND WATCHDOG
INTERNAL OSCILLATOR
100ms WATCHDOG
EXTERNAL OSCILLATOR
GND
VCC
OSC SEL
OSC IN
3
4
8
7
VCC
FLOATING
OR HIGH
FLOATING
OR HIGH
LTC695-3.3
FLOATING
OR HIGH
LTC695-3.3
694/5-3.3 F12
3.3V
Figure 12. Oscillator Configurations
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC695CNPBF 制造商:Linear Technology 功能描述:Processor Supervisor 4.65V 4.65V PDIP16
LTC695CN-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Microprocessor Supervisory Circuits
LTC695CS 制造商:Linear Technology 功能描述:Power Supply Supervisor Circuit, 16 Pin, Plastic, SOP
LTC695CS-3.3 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Power Supply Supervisor
LTC695CSW 功能描述:IC MPU SUPERVISRY CIRCUIT 16SOIC 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(jiǎn)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(shí):- 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
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