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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 13/16頁 |
| 文件大小： | 326K |
| 代理商： | LP3927 |
VEXT Detect W/Keyboard Interrupts
20037928
Note:
Diagram indicates Open Drain IRQ tied to V
DD
.
***
= Internal signal
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Delay between RST going low and LDO2 disabled.
11. Delay between LDO2 disable and LDO1 disabled.
VEXT goes active low.
VEXT 32 msec de-bounce period.
Delay between LDO1 and LDO2 enable.
Both LDO1 and LDO2 outputs reach 95% of respective output voltage, start Reset timer.
Reset delay.
Keyboard de-bounce delay.
Keyboard pulse must be a minimum of 32 msec.
PS_HOLD may go low after Key press, but LDOs stay on since VEXT is low.
VEXT goes high, begin shutdown since PS_HOLD is low.
L
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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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