參數(shù)資料
型號(hào): LP3972SQXE514
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40
封裝: 5 X 5 MM, LLP-40
文件頁(yè)數(shù): 58/60頁(yè)
文件大?。?/td> 1171K
代理商: LP3972SQXE514
Pin #
Name
I/O
Type
Description
34
BGND1,2,3
G
Bucks 1, 2 and 3 analog Ground
35
SYNC
I
D
Frequency Synchronization: Connection to an external clock signal PLL to
synchronize the PMIC internal oscillator.
36
SYS_EN
I
D
Input Digital enable pin for the high voltage power domain supplies. Output
from the Monahans processor.
37
PWR_EN
I
D
Digital enable pin for the Low Voltage domain supplies. Output signal from
the Monahans processor
38
PGND1
G
Buck1 NMOS Power Ground
39
SW1
O
PWR
Buck1 Switcher output
40
VIN Buck1
I
PWR
Battery input power to Buck1
A: Analog Pin D: Digital Pin G: Ground Pin P: Power Pin I: Input Pin I/O: Input/Output Pin O: Output Pin
Note:
In this document active low logic items are prefixed with a lowercase “n”
7
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LP3972
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP3972SQX-E514 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
LP3972SQX-E514/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
LP3972SQX-I414/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
LP3972SQX-I514 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
LP3972SQX-I514/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