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參數(shù)資料
| 型號(hào)： | NCV8508 |
| 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： | 5.0V的，250 mA的LDO，帶有看門(mén)狗和RESET |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大小： | 89K |
| 代理商： | NCV8508 |
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.
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| NCV8508D2T50 | 5.0 V, 250 mA LDO with Watchdog and RESET |
| NCV8508D2T50G | 5.0 V, 250 mA LDO with Watchdog and RESET |
| NCV8508D2T50R4 | 5.0 V, 250 mA LDO with Watchdog and RESET |
| NCV8508DW50 | 5.0 V, 250 mA LDO with Watchdog and RESET |
| NCV8508DW50G | 5.0 V, 250 mA LDO with Watchdog and RESET |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCV85081BDS50G | 功能描述:低壓差穩(wěn)壓器 - LDO 250 MA, 5 V, LDO 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(dòng)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 |
| NCV85081BDS50R4G | 功能描述:低壓差穩(wěn)壓器 - LDO 250 MA 5 V LDO 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(dòng)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 |
| NCV85081BDS50R4G/H | 制造商:ON Semiconductor 功能描述: |
| NCV85081BPD50R2G | 功能描述:低壓差穩(wěn)壓器 - LDO 250 MA 5 V LDO 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(dòng)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 |
| NCV85081BPD50R2G/H | 制造商:ON Semiconductor 功能描述: |
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