參數(shù)資料
型號(hào): LP2987AIM-2.8
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Circular Connector; No. of Contacts:79; Series:MS27473; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:20; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:20-35 RoHS Compliant: No
中文描述: 2.8 V FIXED POSITIVE LDO REGULATOR, 0.35 V DROPOUT, PDSO8
封裝: SO-8
文件頁(yè)數(shù): 6/19頁(yè)
文件大?。?/td> 513K
代理商: LP2987AIM-2.8
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
Operating Junction
Temperature Range
Lead Temperature
(Soldering, 5 seconds)
ESD Rating (Note 2)
Power Dissipation (Note 3)
Input Supply Voltage
(Survival)
65C to +150C
40C to +125C
260C
2 kV
Internally Limited
0.3V to +16V
Input Supply Voltage
(Operating)
Shutdown Pin
Sense Pin
Output Voltage
(Survival) (Note 4)
I
OUT
(Survival)
Input-Output Voltage
(Survival) (Note 5)
2.1V to +16V
0.3V to +16V
0.3V to +6V
0.3V to +16V
Short Circuit Protected
0.3V to +16V
Electrical Characteristics
Limits in standard typeface are for T
= 25C, and limits in
boldface type
apply over the full operating temperature range. Un-
less otherwise specified: V
IN
= V
O
(NOM) + 1V, I
L
= 1 mA, C
OUT
= 4.7 μF, C
IN
= 2.2 μF, V
S/D
= 2V.
Symbol
Parameter
Conditions
Typical
LM2987/8AI-X.X
(Note 6)
Min
0.5
0.8
1.8
LM2987/8I-X.X
(Note 6)
Min
1.0
1.6
2.8
Units
Max
0.5
0.8
1.8
0.014
Max
1.0
1.6
2.8
0.014
V
O
Output Voltage
Tolerance
%V
NOM
0.1 mA
<
I
L
<
200 mA
Output Voltage Line
Regulation
V
O
(NOM) + 1V
V
IN
16V
0.007
%/V
0.032
0.032
V
IN
–V
O
Dropout Voltage
(Note 7)
I
L
= 100 μA
1
2.0
3.5
120
170
230
350
120
150
800
1400
2.1
3.7
1.5
2.0
3.5
120
170
230
350
120
150
800
1400
2.1
3.7
1.5
mV
I
L
= 75 mA
90
I
L
= 200 mA
180
I
GND
Ground Pin Current
I
L
= 100 μA
100
μA
I
L
= 75 mA
500
I
L
= 200 mA
1
mA
V
S/D
<
0.3V
V
OUT
V
O
(NOM) 5%
R
L
= 0 (Steady State)
(Note 10)
BW = 300 Hz to
50 kHz, V
OUT
= 3.3V
C
OUT
= 10 μF
BW = 300 Hz to
50 kHz, V
OUT
= 3.3V
C
OUT
= 10 μF
C
BYPASS
= .01 μF
f = 1 kHz, C
= 10 μF
C
BYP
= 0 (LP2988)
0.05
400
μA
I
O
(PK)
I
O
(MAX)
Peak Output Current
Short Circuit Current
250
250
mA
400
e
n
LP2987 Output Noise
Voltage (RMS)
100
μV(RMS)
LP2988 Output Noise
Voltage (RMS)
20
Ripple Rejection
65
dB
Output Voltage
Temperature Coefficient
(Note 9)
20
ppm/C
www.national.com
6
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