- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄44717 > LP3923TL-VB (NATIONAL SEMICONDUCTOR CORP) 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA30 PDF資料下載
參數(shù)資料
| 型號(hào)： | LP3923TL-VB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA30 |
| 封裝： | 3 X 2.50 MM, MICRO SMD-30 |
| 文件頁(yè)數(shù)： | 6/32頁(yè) |
| 文件大?。?/td> | 1718K |
| 代理商： | LP3923TL-VB |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)當(dāng)前第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)
Power Up and Power Down Sequences
30058638
Note 1: CHG_IN is edge sensitive and HF_PWR is level sensitive at startup in STANDBY mode and level sensitive in POWER-ON-RESET mode.
Note 2: PWR_ON is level sensitive at startup. PS_HOLD must be asserted before PWR_ON goes LOW to keep PMU powered. PWR_ON input is not monitored
after PMU is powered up (PS_HOLD asserted).
Note 3: PON_N is a direct inversion of PWR_ON input when LDO3 is powered up (no power-on switch debouncing on PON_N output).
Note 4: The input signal which activates Power Up sequence (either PWR_ON or CHG_IN or HF_PWR) must be on when PS_HOLD is asserted.
Note 5: Time delay between the PS_HOLD going low and the start of Power Down sequence depends on PS_HOLD_DELAY setting (0=35ms, 1=350ms) (typ.).
FIGURE 1. Power Up and Power Down Timing Diagram
www.national.com
14
LP3923
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LP3923TLX-VC | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA30 |
| LP3923TL-VI | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA30 |
| LP3946ILD | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14 |
| LP3972SQXA413 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40 |
| LP3972SQX-5810 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP3923TL-VB/NOPB | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| LP3923TL-VC | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Cellular Phone Power Management Unit |
| LP3923TL-VC/NOPB | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| LP3923TL-VI | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Cellular Phone Power Management Unit |
| LP3923TL-VI/NOPB | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。