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參數(shù)資料
| 型號： | LP3971SQ-B410 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS |
| 中文描述： | 3-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC40 |
| 封裝： | 5 X 5 MM, LLP-40 |
| 文件頁數(shù)： | 8/42頁 |
| 文件大小： | 1350K |
| 代理商： | LP3971SQ-B410 |
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LDO RTC
Unless otherwise noted, V
IN
= 3.6V, C
IN
= 1.0 μF, C
OUT
= 0.47 μF, C
(V
RTC
) = 1.0 μF ceramic. Typical values and limits
appearing in normal type apply for T
J
= 25C. Limits appearing in
boldface
type apply over the entire junction temperature
range for operation, 40C to +125C. (Notes 2, 6, 7) and (Note 10)
Symbol
V
OUT
Accuracy
V
OUT
Parameter
Conditions
Min
2.632
Typ
2.8
Max
2.968
Units
V
Output Voltage Accuracy
V
IN
Connected, Load Current =
1 mA
V
IN
= (V
OUT
nom + 1.0V) to 5.5V
(Note 11) Load Current = 1 mA
From Main Battery
Load Current = 1 mA to 30 mA
From Backup Battery
V
IN
= 3.0V
Load Current = 1 mA to 10 mA
From Main Battery
V
IN
= V
OUT
+0.3V to 5.5V
From Backup Battery
Load Current = 10 mA
Line Regulation
0.15
%/V
Load Regulation
0.05
%/mA
0.5
I
SC
Short Circuit Current Limit
100
mA
30
V
IN
-
V
OUT
I
Q
_Max
TP1
Dropout Voltage
375
mV
Maximum Quiescent Current
RTC LDO Input Switched from
Main Battery to Backup Battery
RTC LDO Input Switched from
Backup Battery to Main Battery
Output Capacitor
I
OUT
= 0 mA
V
IN
Falling
30
2.9
μA
V
TP2
V
IN
Rising
3.0
V
C
O
Capacitance for Stability
ESR
0.7
5
1.0
μF
m
500
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP3971SQ-B410/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 |
| LP3971SQ-B410EV | 功能描述:電源管理IC開發(fā)工具 LP3971SQ-B410 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| LP3971SQ-B510/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 |
| LP3971SQ-C818/NOPB | 制造商:Texas Instruments 功能描述: |
| LP3971SQ-D510 | 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 |
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