參數(shù)資料
型號: NCV8508D2T50R4
廠商: ON SEMICONDUCTOR
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 5.0 V, 250 mA LDO with Watchdog and RESET
中文描述: 5 V FIXED POSITIVE LDO REGULATOR, 0.9 V DROPOUT, PSSO7
封裝: D2PAK-7
文件頁數(shù): 5/12頁
文件大?。?/td> 89K
代理商: NCV8508D2T50R4
NCV8508
http://onsemi.com
5
TIMING DIAGRAMS
Watchdog
Pulse Width
V
IN
RESET
Wakeup
WDI
V
OUT
Wakeup
Duty Cycle = 50%
Power Up
Microprocessor
Sleep Mode
Normal Operation with Varying Watchdog Signal
RESET High
to Wakeup
Delay Time
POR
Figure 3. Power Up, Sleep Mode and Normal Operation
Figure 4. Error Condition: Watchdog Remains Low and a RESET Is Issued
V
IN
RESET
Wakeup
WDI
V
OUT
POR
RESET High
to Wakeup
Delay Time
RESET Delay Time
RESET High
to Wakeup
Delay Time
Wakeup
Period
POR
RESET
Wakeup
WDI
V
OUT
Watchdog Pulse Width
RESET Threshold
POR
Power Down
Wakeup Period
Figure 5. Power Down and Restart Sequence
WDI Pulse Must Occur with Wakeup in
Low State for 50% Duty Cycle.
Reference Figure 17 for Occurrence of
WDI with Wakeup in High State.
相關(guān)PDF資料
PDF描述
NCV8508DW50 5.0 V, 250 mA LDO with Watchdog and RESET
NCV8508DW50G 5.0 V, 250 mA LDO with Watchdog and RESET
NCV8508DW50R2 5.0 V, 250 mA LDO with Watchdog and RESET
NCV8664_07 Ultra−Low Iq Low Dropout Linear Regulator
NCV8664ST33T3G Ultra−Low Iq Low Dropout Linear Regulator
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NCV8508D2T50R4G 功能描述:低壓差穩(wěn)壓器 - LDO ANA 5.0V LDO WD REG RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
NCV8508DW50 功能描述:低壓差穩(wěn)壓器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
NCV8508DW50G 功能描述:低壓差穩(wěn)壓器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
NCV8508DW50R2 功能描述:低壓差穩(wěn)壓器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
NCV8508DW50R2G 功能描述:低壓差穩(wěn)壓器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20