參數(shù)資料
型號(hào): LP3972SQ-5810
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
文件頁數(shù): 3/60頁
文件大?。?/td> 1171K
代理商: LP3972SQ-5810
LDOs 1 to 5
Unless otherwise noted, V
IN = 3.6V, CIN = 1.0 μF, COUT = 0.47 F, COUT (VRTC) = 1.0 μF ceramic. Typical values and limits appearing
in normal type apply for T
J = 25°C. Limits appearing in boldface type apply over the entire junction temperature range for operation,
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
OUT
Accuracy
Output Voltage Accuracy (Default
V
OUT)
Load Current = 1 mA
3
%
ΔV
OUT
Line Regulation
V
IN =3.1V to 5.0V, (Note 11) Load
Current = 1 mA
0.15
%/V
Load Regulation
V
IN = 3.6V,
Load Current = 1 mA to I
MAX
0.011
%/mA
I
SC
Short Circuit Current Limit
LDO1–4, V
OUT = 0V
400
mA
LDO5, V
OUT = 0V
500
V
IN - VOUT
Dropout Voltage
Load Current = 50 mA (Note 7)
150
mV
PSRR
Power Supply Ripple Rejection
f = 10 kHz, Load Current = I
MAX
45
dB
I
Q
Quiescent Current “On”
I
OUT = 0 mA
40
A
Quiescent Current “On”
I
OUT = IMAX
60
Quiescent Current “Off”
EN is de-asserted
0.03
T
ON
Turn On Time
Start up from Shut-down
300
μsec
C
OUT
Output Capacitor
Capacitance for Stability
0°C
T
J 125°C
0.33
0.47
F
40°C
T
J 125°C
0.68
1.0
ESR
5
500
m
11
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LP3972
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LP3972SQ-A413 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
LP3972SQ-A413/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
LP3972SQ-A514 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
LP3972SQ-A514/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