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參數(shù)資料
| 型號(hào)： | LP3927 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Cellular/PCS System Power Management IC |
| 中文描述： | 蜂窩/ PCS系統(tǒng)的電源管理IC |
| 文件頁(yè)數(shù)： | 10/16頁(yè) |
| 文件大小： | 326K |
| 代理商： | LP3927 |
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Keyboard Start-Up/Shut-Down
20037925
Note:
Diagram indicates Open Drain IRQ tied to V
DD
.
***
= Internal signal
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10. Delay between RST high-low transition to LDO2 disable.
11. Delay between LDO2 disable and LDO1 disable.
Keyboard de-bounce delay, 32 msec typ.
Delay between LDO1 reaching 95% of its output voltage and LDO2 enable, 125 μsec typical.
Both LDO1 and LDO2 outputs reach 95% of respective output voltage, start RST timer.
RST delay, 20 msec typical.
IRQ is active low.
Keyboard press must be greater than 32 msec.
PS_HOLD timer begins upon RST going high.
Maximum of 500 msec period from RST going high to PS_HOLD going high.
Response time from PS_HOLD going low to RST going low.
L
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參數(shù)描述 |
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| LP3927A-AH WAF | 制造商:Texas Instruments 功能描述: |
| LP3927A-AP WAF | 制造商:Texas Instruments 功能描述: |
| LP3927ILQ-AH | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| LP3927ILQ-AH/NOPB | 功能描述:IC PWR MANAGEMENT CELL/PCS 28LLP RoHS:否 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 應(yīng)用說明:Ultrasound Imaging Systems Application Note 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:37 系列:- 應(yīng)用:醫(yī)療用超聲波成像，聲納 電流 - 電源:- 電源電壓:2.37 V ~ 6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-TQFN-EP（8x8） 包裝:管件 |
| LP3927ILQ-AJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Cellular/PCS System Power Management IC |
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