參數(shù)資料
型號(hào)： LP3881ET-1.2
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 基準(zhǔn)電壓源/電流源
英文描述： 0.8A Fast-Response Ultra Low Dropout Linear
中文描述： 1.216 V FIXED POSITIVE LDO REGULATOR, 0.16 V DROPOUT, PZFM5
封裝： MOLDED, STAGGER BEND, TO-220, 5 PIN
文件頁(yè)數(shù)： 3/12頁(yè)
文件大小： 318K
代理商： LP3881ET-1.2
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 1)
Storage Temperature Range
Lead Temp. (Soldering, 5 seconds)
ESD Rating
Human Body Model (Note 3)
Machine Model (Note 10)
Power Dissipation (Note 2)
V
IN
Supply Voltage (Survival)
V
BIAS
Supply Voltage (Survival)
Shutdown Input Voltage (Survival)
65C to +150C
260C
2 kV
200V
Internally Limited
0.3V to +6V
0.3V to +7V
0.3V to +7V
I
OUT
(Survival)
Output Voltage (Survival)
Junction Temperature
Internally Limited
0.3V to +6V
40C to +150C
Operating Ratings
V
IN
Supply Voltage
Shutdown Input Voltage
I
OUT
Operating Junction
Temperature Range
V
BIAS
Supply Voltage
(V
OUT
+ V
DO
) to 5.5V
0 to +6V
0.8A
40C to +125C
4.5V to 6V
Electrical Characteristics
over the full operating temperature range. Unless otherwise specified: V
IN
= V
O
(NOM) + 1V, V
BIAS
= 4.5V, I
L
= 10 mA, C
IN
=
C
OUT
= 4.7 μF, V
S/D
= V
BIAS
.
Limits in standard typeface are for T
J
= 25C, and limits in
boldface type
apply
Symbol
Parameter
Conditions
Typical
(Note 4)
MIN
(Note 5)
1.198
MAX
(Note 5)
1.234
Units
V
O
Output Voltage Tolerance
10 mA
<
I
L
<
0.8A
V
O
(NOM) + 1V
≤
V
IN
≤
5.5V
4.5V
≤
V
BIAS
≤
6V
1.216
1.186
1.478
1.246
1.522
V
1.5
1.455
1.773
1.545
1.827
1.8
1.746
1.854
V
O
/
V
IN
Output Voltage Line Regulation
(Note 7)
Output Voltage Load Regulation
(Note 8)
Dropout Voltage (Note 9)
V
O
(NOM) + 1V
≤
V
IN
≤
5.5V
0.01
%/V
V
O
/
I
L
10 mA
<
I
L
<
0.8A
0.04
0.06
%/A
V
DO
I
L
= 0.8A
75
120
160
7
8
1
30
2
3
1
30
mV
I
Q
(V
IN
)
Quiescent Current Drawn from
V
IN
Supply
10 mA
<
I
L
<
0.8A
3
mA
V
S/D
≤
0.3V
0.03
μA
I
Q
(V
BIAS
)
Quiescent Current Drawn from
V
BIAS
Supply
10 mA
<
I
L
<
0.8A
1
mA
V
S/D
≤
0.3V
0.03
μA
I
SC
Shutdown Input
V
SDT
Short-Circuit Current
V
OUT
= 0V
1.8
A
Output Turn-off Threshold
Output = ON
Output = OFF
R
LOAD
X C
OUT
<<
Td (OFF)
R
LOAD
X C
OUT
<<
Td (ON)
V
S/D
=1.3V
V
S/D
≤
0.3V
0.7
0.7
20
15
1
1
1.3
V
0.3
Td (OFF)
Td (ON)
I
S/D
Turn-OFF Delay
Turn-ON Delay
S/D Input Current
μs
μA
L
www.national.com
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參數(shù)描述
LP3882 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.5A Fast-Response Ultra Low Dropout Linear
LP3882EMR-1.2 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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LP3882EMR-1.2/NOPB 制造商:Texas Instruments 功能描述:Voltage Regulator IC
LP3882EMR-1.5 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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